SOK SK48V100 Betriebsanleitung

SK48V100 Owner & Operator’s Manual

Contents 
 ................................................................................................................................................................1
About this Manual.................................................................................................................................5
Use of this Manual ...........................................................................................................................5
Printing...............................................................................................................................................5
Introduction............................................................................................................................................5
Manufacturer’s Background............................................................................................................5
Use Applicaons..................................................................................................................................6
Advantages..........................................................................................................................................6
Specicaons ..........................................................................................................................................7
Lisngs & Cercaons...........................................................................................................................8
UL 1973 (Baery) cercaon:...........................................................................................................8
UL 9540 (ESS) cercaon:.................................................................................................................8
UL 9540A (Fire) cercaon ...............................................................................................................8
California “CEC” Approval ...................................................................................................................8
Why is UL lisng important?...............................................................................................................8
Shipping & Receiving...............................................................................................................................9
Allowable Shipping Methods ..............................................................................................................9
Hazmat Cercaons..........................................................................................................................9
Freight Forwarder Documents............................................................................................................9
Packaging ..............................................................................................................................................10 
Inspecng for damage ......................................................................................................................10 
Removing baeries from boxes ........................................................................................................10 
Tesng ...............................................................................................................................................10 
Installaon: Planning your locaon ......................................................................................................11 
Protected From Damage ...................................................................................................................11 
Moisture / Humidity..........................................................................................................................11 
Proximity to Equipment ....................................................................................................................11 
Temperature......................................................................................................................................11 
Extreme Cold Charging..................................................................................................................11 
Extreme Cold Discharging .............................................................................................................11 
Heat...............................................................................................................................................12 
Installaon: Mounng Baeries ...........................................................................................................12 
Mounng without racks....................................................................................................................12 
Baery Orientaon – Staonary.......................................................................................................12 
Baery Orientaon – Mobile Applicaon.........................................................................................12 

Stacking.............................................................................................................................................12 
Installing in Racks..................................................................................................................................13 
Rack Stability.....................................................................................................................................13 
Powerup, Inverter Pre-Charge & Shutdown..........................................................................................14 
Inrush Current Risk............................................................................................................................14 
How to limit inrush current...............................................................................................................14 
Built In Automac Pre-Charge Circuit ...............................................................................................14 
Power-Up procedure (using automac pre-charge) .........................................................................15 
Power-Up procedure (manually pre-charging) .................................................................................15 
Manual Shutdown Procedure ...............................................................................................................16 
Other Equipment: .............................................................................................................................16 
Procedure:.........................................................................................................................................16 
Automac Shutdown ........................................................................................................................16 
First Time Use Automac Funcons .....................................................................................................17 
Automac Charge Equalizaon.........................................................................................................17 
Automac Charge Current Limiter....................................................................................................17 
Automac Cell Balancer....................................................................................................................17 
BMS Screen Display...........................................................................................................................18 
Automac Screen Timeout ...............................................................................................................18 
Controls.............................................................................................................................................18 
Home / Welcome Screen ..................................................................................................................19 
Main Menu........................................................................................................................................19 
Analog Info........................................................................................................................................19 
BMS Status........................................................................................................................................19 
Meaning of “BMS Status” abbreviaons.......................................................................................19 
Para(meter) sengs & System sengs ............................................................................................20 
Inverter Setpoints / Open Loop Communicaon..................................................................................20 
When to use closed loop communicaon ........................................................................................20 
No-communicaon Equipment Setpoints & recommendaons.......................................................20 
Charge Currents: ...........................................................................................................................20 
Absorpon Voltage ...........................................................................................................................21 
Absorpon Time................................................................................................................................21 
Float Voltage .....................................................................................................................................21 
Charging SOC%..................................................................................................................................22 
Low Voltage Shutdown .....................................................................................................................22 
Closed Loop Communicaon ................................................................................................................22 

Introducon to Communicaon .......................................................................................................22 
Communicaon Ports............................................................................................................................23 
Communicaons – A Praccal Example:...........................................................................................23 
Communicaon Between Packs........................................................................................................24 
DIP Switch Addressing.......................................................................................................................24 
Victron Communicaon ........................................................................................................................25 
Cables:...................................................................................................................................................25 
Pre-Made Cables:..............................................................................................................................25 
Firmware:..........................................................................................................................................26 
Communicaon Cable Connecons:.................................................................................................26 
If the baery is not detected by the Cerbo: .....................................................................................26 
High-Voltage Alarms: ........................................................................................................................26 
Fallback Sengs:...............................................................................................................................26 
Sol-Ark Communicaon ........................................................................................................................27 
Cables:...............................................................................................................................................27 
Sengs:.............................................................................................................................................27 
Warning triangle on home screen: ...................................................................................................28 
Voltronic Inverter Communicaon (EG4/MPP Solar/Sungold Power)..................................................28 
Firmware:..........................................................................................................................................28 
Cables:...............................................................................................................................................28 
Voltronic / SK48v100 Pinout Table....................................................................................................28 
Connecon port & Procedure:..........................................................................................................29 
Baery Sengs:................................................................................................................................29 
MPP Solar Menu Sengs:.................................................................................................................31 
Solar Assistant Integraon ....................................................................................................................32 
What is SolarAssistant?.....................................................................................................................32 
What informaon is available with SolarAssistant?..........................................................................32 
How to setup SolarAssistant: ............................................................................................................32 
Required Materials:...........................................................................................................................32 
Seng up the Raspberry Pi:..............................................................................................................33 
How to setup the connecon to the baeries..................................................................................33 
PC Monitoring & Diagnoscs ................................................................................................................34 
PC Monitoring Soware (SOK Tools).................................................................................................34 
Exporng Data Logs ......................................................................................................................34 
What’s required: ...........................................................................................................................34 
Procedure:.....................................................................................................................................34 

About this Manual

Use of this Manual

This manual is not a substitution for proper training. The intended use of this manual

is to provide guidance and reference for the use of products sold by and associated

with SOK Battery NZ, LLC. All materials mentioned in this Training Manual range in

technicality and require varying competency levels and expertise. Therefore it is

recommended to seek proper training before using products seen and mentioned in

the training manual.

Reading and understanding all safety guidelines and instructions is essential before

use, connection, installation, or maintenance. Failure to comply with the policies and

instructions can lead to property damage, injury, and/or death. Remember that past

performance is not indicative of future results. The many variables in the materials

listed in these training documents can be unpredictable if not managed and

maintained correctly.

This manual does not cover all details or variations in the equipment. It does not

claim to provide every possible contingency met in connection, installation, operation,

and maintenance. Please contact the SOK Battery NZ, LLC. Support Team if further

information is desired or problems arise. SOK Battery NZ, LLC. will not be held liable

for damages or injuries sustained from improper use of the above-mentioned.

We thank you for the continued use of SOK Battery NZ, LLC. as your resource, and

we hope this Training Manual will better assist you in understanding your project and

enable you to meet your goals.

Printing

This manual is not intended to be printed on paper, as sections of this manual are

interactive and will not function when printed on physical media. For the best user

experience, you should refer to the web version of this page directly.

Introduction

Manufacturer’s Background

SOK Battery is a dedicated LiFePO4 manufacturer based out of Zhuhai, China. SOK

has a long history of delivering both the highest quality battery and safest overall

design at a value conscious price point. This trend continues with the release of the

SK48V100, a true Grade A+ Lithium Iron Phosphate (LiFePO4) battery pack

designed to be easily installed into standard 19” EIA server-rack type battery

enclosures or the custom-built SOK Server Rack.

A 16S (48v nominal) 5.12 kW-h LiFePO4 battery bank is paired with a digital battery

management system (BMS), to provide automated and maintenance free battery

operation, with a typical lifespan of over 4000 cycles. The assembly features full CAN

bus & RS485 protocols to pair with most common 48V inverters, as well as RS-232

control for PC configuration.

Use Applicaons

The SK48V100 battery is ideal for medium to large-scale off-grid and grid-interactive

energy storage systems (ESS), telecom & server room backup, as well as mobile

installations requiring a 48v battery.

Applications that require reliability, expandability, quality, safety, and serviceability are

well-suited for this battery array. The SK48V100 can communicate with up to 15

modules per master battery, for a total system size of 76.8 kW-h per battery cluster.

In special circumstances, multiple battery clusters may be interconnected for even

larger centrally managed systems.

Advantages

The SOK engineers plan future serviceability into the initial

design of all battery assemblies. On rare occasion, products in

the real world can fail, depending on the usage, environment,

and build quality. Failures can be caused by shipping damage,

installer error, downstream equipment malfunction, natural aging,

and unavoidable environmental factors such as lightning.

Competing batteries on the market are not designed for serviceability, being

permanently assembled using techniques such as IR-Laser Welding of aluminum

cell-interconnection busbars, plastic injection-molded cases, and permanent epoxy

potting. These processes are great for single-use disposable products, but a poor

choice for systems expected to last decades. When parts within these permanently

assembled packs fail, the entire module is rendered useless and needs to be

disposed of as E-waste and replaced as a complete unit. Any attempt to service

would certainly void your warranty and the likelihood of a successful service is slim to

none.

SOK Battery believes that these products are an investment and should not be

thrown away if something goes wrong; products should withstand the test of time.

The SOK Battery SK48V100 is engineered so that every single part within the battery

pack can be field serviced and replaced by either an authorized service agent, or the

end customer. This means less downtime and lower repair costs to the end-

customer, as well as a decreased environmental impact.

SOK Battery is the leader in battery technology, paving the way for many battery

manufacturers to follow.

Specicaons

Electrical Properties

Model

SK48v100

Nominal Voltage

51.2 (48v Range)

Nominal Capacity

100Ah

Run Time at 20A Load (~1000w)

300 Minutes

Energy

5120Wh

Self Discharge

< 3% per month (BMS Off)

~2% per day (BMS On)

Max Batteries in Series

Max Batteries in Parallel (with BMS

communication)

15*

Maximum Terminal Feedthrough Current

350 Amps

Discharge Performance

Max Continuous Discharge Current

100A (1C)

Peak Discharge Current

125A (3 Seconds, automatic shutdown)

Short Circuit Protection

300a, 200µs

BMS Low-Voltage Disconnect

46v

BMS Low-Voltage recover

48v

Charge Performance

Recommended Charge Current

0~63A

Maximum Charge Current (Continuous)

100A

Recommended Charge (Absorption)

Voltage

57.6

BMS Cell Protection Voltage

3.7v

BMS Pack Protection Voltage

>58.2v

Temperature Performance

Discharge Temperature

-4°F - 140°F

Charge Temperature

32°F - 113°F

Storage Temperature

23°F - 95°F

Low Temperature Charge Protection

Yes

Internal Temperature Sensors

4 Cell Sensors, 1 BMS Sensor, 1 Ambient

Air Sensor

Maximum Elevation

13000 Ft

Physical Properties

Case Material

Powder-Coated Steel

Rack Mountable

Yes, 4U

Dimensions

Width: 17.5in (Without ears - Fits standard

19" rack with ears installed)

Height: 7in (4 rack units)

Depth: 18in + 1 1/4" for handles / terminals

Unit Weight

45 Kg

Weather Rating

IP20

Shipping Classification

UN3480, Class 9, MSDS

Lisngs & Cercaons

UL 1973 (Baery) cercaon:

UL Standard 1973, Batteries for Use in Light Electric Rail (LER) and Stationary

Applications (UL 1973), is a safety standard for stationary batteries for energy

storage applications that is not specific to any one battery technology or chemistry,

and can apply to Li-ion battery ESSs, as well as ESSs using other battery chemistry.

The SK48v100 has been tested by Intertek Laboratories and has been certified to

conform to UL 1973 standards.

UL 9540 (ESS) cercaon:

UL 9540 is a safety standard for an energy storage system (ESS) and equipment

intended for connection to a local utility grid or standalone application. It designates

key issues associated with ESS. UL9540 certification is currently in progress. The

time for completion is not currently set in stone, but is targeted for mid 2023.

UL 9540A (Fire) cercaon

UL 9540A is the Standard for Test Method for Evaluating Thermal Runaway Fire

Propagation in Battery Energy Storage Systems, to help manufacturers have a

means of proving compliance with the new regulations. UL9540A testing is complete

and we are awaiting the final report. Check back in a few weeks for an update.

California “CEC” Approval

The SK48v100 is not currently listed by the California Energy Commission as

approved for use within the state for on-grid installations. We cannot submit our

application for this list until UL9540 testing has been completed, which is required for

submittal for listing on the CEC database. Once we receive the UL9540 certification,

we will have our application submitted. You can view the approved equipment list

here: https://solarequipment.energy.ca.gov/Home/BatteryList

Why is UL lisng important?

Local AHJ’s (authority having jurisdiction) have began adopting 2017 NEC that

requires batteries and energy storage system to be listed. This excludes non-listed

packs from being used in a system that is code-compliant (permitted). Since the

SK48v100 is listed to UL 1973 standards, it can be used in most jurisdictions. Recent

regulation has started requiring UL9540 testing in addition to UL1973 testing,

however adoption has been slow, so be sure to confirm with your local AHJ.

Even if a system is not required to be permitted, insurance providers may deny a

claim for damages to property or people if an unlisted system is involved in a claim,

even if the unlisted system is not the cause of such claims.

Shipping & Receiving

Allowable Shipping Methods

Due to the nature of these batteries, they must be shipped by truck freight both to the

customer as well as any returns to SOK Battery NZ. Each unit is over 100lbs, which

excludes typical ground methods such as FedEx / UPS.

Hazmat Cercaons

The SK48v100 server rack battery is a Lithium battery. Despite the inherent safety of

LiFePO4 chemistry, Lithium batteries are considered class 9 hazardous materials

and require appropriate UN3480 lithium battery handling & labeling. This means they

cannot be transported on passenger aircraft or through the US Postal Service and

must be packaged appropriately. If you need to ship your batteries for any reason,

please contact SOK Battery NZ in advance for assistance with shipping.

Freight Forwarder Documents

If you choose to utilize a freight forwarder, you will need the MSDS and the

Dangerous Goods Certificate. SOK Battery NZ will only ship and provide

transportation to addresses located within the Contiguous US. Customers may

choose to utilize a Freight forwarders address for the delivery address on their order

located within the Contiguous US. Once SOK Battery NZ has delivered the product to

the address provided by the customer, all liability and responsibility shifts from SOK

Battery NZ to the customer. Freight Fowarding is not a service we offer assistance,

recommendations, or will fill out any additional documents pertaining to HAZMAT

other than what is already provided. The customer and Freight forwarder will be

responsible for any other items, documents, or information regarding the forwarding

of your order. The customer and Freight Forwarder will be reponsible for

communicationg, and arranging any and all other neccesary information to

sucessfully forward your order. The MSDS and Dangerous Good Certificate are

included within this section for your convenience. Often times, Freight forwarders will

require other HAZMAT information and documents to be completed depending on if

the shipment is going via Air (IATA) or Boat (IMDG), these HAZMAT requirements are

not something we specialize in or can help with. We are specialized in Ground

(49CFR) but cannot provide additional information or fill out additional documents

pertaining to fowarded shipments. These documents will need to be executed

between the forwarder and customer directly. Most Freight Forwarders will have

correct HAZMAT templates depending on the mode of transportation, and evaluate

the shipment to provide the correct HAZMAT documents for transit. Often times,

there is an additional fee for this so please plan your shipment accordingly and make

sure to communicate with your forwarder. SOK Battery NZ cannot gaurantee the

different modes of transportation a Freight Forwarder utilizes, or the various HAZMAT

regulations required for each individual shipment that need to be properly

documented and followed, and if the forwarder follows these regulations. This is why

we do not offer any assistance, recommendations, and will not fill out any additional

documents pertaining to HAZMAT, as these rules and regulations are very strict. All

Forwarding will be at the sole responsponsibility and liability of the customer, handled

completely between the customer and the Freight Forwarder.

Packaging

Your new lithium battery is packaged using special materials to meet transportation

standards. Please retain a set of this material should you need to pack and send your

battery in the future e.g. for relocation or warranty claims. If the original packaging is not

available, please contact your place of purchase or SOK Battery NZ to order a replacement

set.

Each box is conveniently built with 2 hand-holes on each side because each box must be

lifted by two people to relocate into the unboxing location. To protect the product, keep it in

the original box until the time of permanent installation.

Inspecng for damage

Carefully inspect the boxes inside and out for any dents, crushed cardboard/foam or strange

odors. If any of these are observed, stop and contact your place of purchase

Removing baeries from boxes

The safest way to remove the battery from the box is to open the top of the box, remove the

accessories & foam inserts, then carefully cut along the 4 vertical edges with a box cutter

making sure not to cut/scratch any of the product inside. Fold down the 4 sides to create

access space for two people to safely pick up the battery. The battery can then be carried by

the two handles on the front. It can be moved in any orientation except for upside-down (top

lid facing toward the ground).

Tesng

After unboxing, we highly recommend that you power on the BMS per the power-up

procedure covered later in this manual to make sure your battery is fully functional at the

time of receipt. If you have a product that is dead-on-arrival (DOA) then contact your place of

purchase to start a warranty claim.

Notice: We have isolated a situation in which internal damage has caused DC voltage to be

present on the case of the batteries leading to difficult-to-trace faults. When unboxing, use a

multimeter and measure from each terminal to one of the case screws to ensure that no

internal damage has occurred. If you intend to use rack ears, install them before performing

this test. If voltage is present, STOP IMMEDIATELY and contact SOK Battery NZ before

continuing.

•Batteries are heavy! Team lift ONLY.

•If any strong smells are present, it could indicate internal

damage. Stop and contact your place of purchase

immediately

•Use a multimeter and measure from each terminal to the

case to ensure that no internal damage has occured in

shipping

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