Master Battery UPOWER Ecoline UE-24Li20 Bedienungsanleitung

Issued Date > 2016-06-12

Issued Version > V00

LITHIUM IRON PHOSPHATE BATTERY

NO. Items Description

25.6V

20Ah

≤40mΩ

Nominal Voltage

Normal Capacity

Internal Resistance

Recommended charge current

Recommended float charge voltage

(for Standby use)

Allowed MAX charge current

0~45°C

29.2±0.2V

20A @ Battery initial Temp 25±5°C

Normal Specification

Standard Charge

Battery operation temperature range

@charging

Normal charge voltage

27.6±0.2V

≤10A

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1. General Information

2. Specification

Polígono industrial La Dehesa

C/ Dehesa Vieja,nº2 Nave 16

28052 Madrid (Spain)

Tel. (+34) 918 021 649

Fax. (+34) 917 750 542

info@masterbattery.es

Multi-application - LiFePO4 Power

UE-24Li20

This speciﬁcation deﬁnes the performance of rechargeable LiFePO4 battery pack UE-24Li20 manufactured by

MASTER BATTERY, S.L., describes the type, performance, technical characteristics, warning and caution of the

battery pack.

NO. Items Description

-20~60°C

20~29.2V

20A withstand 10min @Battery initial Temp 25±5°C

85A withstand 20s

20V

Battery operation temperature range

@discharging

Output Voltage Range

Allowed discharge current

Peak discharge current

Discharge Cut-off voltage

Dimension

Weight

Storage Temperature

& Humidity Range

-20~35°C, 45~75% RH

Standard Discharge

Mechanical Characteristics

Storage

Self-discharge rate

Short: within one month

Long term:

above one month -10~30°C, 45~75% RH

≤3% per month; ≤15% per yearResidual capacity

≤1.5% per month; ≤8% per yearReversible capacity

Width: 165±2mm

Height: 175±2mm

Approx.: 6.5±0.5Kg

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Length: 196±2mm

Polígono industrial La Dehesa

C/ Dehesa Vieja,nº2 Nave 16

28052 Madrid (Spain)

Tel. (+34) 918 021 649

Fax. (+34) 917 750 542

info@masterbattery.es

UE-24Li20

3. Electrical Characteristics & Test Condition

Testing Conditions: Ambient Temperature: 25±5ºC; Huminity: 45%~75%.

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NO. Items

Capacity2

-20°C

Condition

Internal Impedance1≤40mΩ Test the internal resistance of 50% SOC battery pack

with 1 kHz AC internal resistance test instrument.

Criterion

Rest for 1 hour after fully charged, then discharge

with 0.33C current until the battery reaches the

discharge cutoff voltage. Repeat above process for

three times, if the discharge time is not less than 180

minutes, you can stop and define the Discharging

current*time value (Ah) as battery capacity.

≥20Ah

Discharge

Temperature

Characteristics

At 25±5°C discharge the battery with the current of

0.33C to the cut-off voltage. Store the battery at

various temperatures for 2h and discharge the

battery with 0.33C to the cut-off voltage. Record the

ratio between discharging & charging capacity.

0°C

25°C

55°C

≥70%

≥80%

100%

≥95%

Charge the battery to full capacity and store it for 28

days, and then discharge it with 0.33C to the cut-off

voltage.

Charge Retention

ability

Remain capacity

≥90%

Short circuit protection / Release the charge after short circuit.

Charging with this current for more than 0.5h and the

added temperature of battery pack less than 20°C.

MAX charge Current 20A

Discharging with this current for more than 10 min

and the added temperature of battery pack less

than 35°C.

MAX discharge Current 20A

Discharge with the current of 0.5C until it can’t

discharge, and then rest it for 1h. Charge the battery

following CC (0.33C)/CV (14.6V) mode to full capacity,

and then rest it for 1h. Repeat above process until full

charged capacity is no more than 80% of normal

value. Accumulated times is defined as cycle life.

6Cycle life (DOD%100) ≥2500 cycles

Polígono industrial La Dehesa

C/ Dehesa Vieja,nº2 Nave 16

28052 Madrid (Spain)

Tel. (+34) 918 021 649

Fax. (+34) 917 750 542

info@masterbattery.es

UE-24Li20

4. Circuit Protection

The batteries are supplied with a LiFePO4 Battery Management System (BMS) that can monitor and optimized

each single prismatic cell during charge & discharge, to protect the battery pack overcharge, over discharge,

short circuit. Overall, the BMS helps to ensure safe and accurate running.

Test Item

Over-charge protection for each cell

CriterionContent

3.90±0.04V

Over charge Over-charge release for each cell 3.60±0.04V

Over-charge release method Under the release voltage

Over-discharge protection for each cell 2.30±0.04V

Over discharge Over-discharge release for each cell 2.80±0.04V

Over-discharge release method 85~115A

Discharge over current protection <85~115A

Over current Protection delay time 10~40ms

Over current release method Delay recovery after 30s

Over & Lower

Temperature

Battery over temperature

Protection @65±5°C

Release @55±5°C

Battery lower temperature

Protection @-10±5°C

Release @-10±15°C

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MOS temperature protection Protection @103±10°C

Release @75±5°CMOS restore protection

Polígono industrial La Dehesa

C/ Dehesa Vieja,nº2 Nave 16

28052 Madrid (Spain)

Tel. (+34) 918 021 649

Fax. (+34) 917 750 542

info@masterbattery.es

UE-24Li20

5. Dimensional Drawing

6. Storage & Transportation

• Based on the character of cell, proper environment for transportation of LiFePO4 battery pack need to be

created to protect the battery.

• Battery should be stayed in the warehouse -20ºC 〜35ºC where it’s dry, clean, shade and well-ventilated.

• The battery should be stored in 50% SOC during transportation.

• The battery need to be charged every 6 months if out of use.

• Keep the battery against dropping, turning over and serious stacking during loading.

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Polígono industrial La Dehesa

C/ Dehesa Vieja,nº2 Nave 16

28052 Madrid (Spain)

Tel. (+34) 918 021 649

Fax. (+34) 917 750 542

info@masterbattery.es

UE-24Li20

Please read and follow the speciﬁcation and caution remarks on battery surface before use the battery.

Improper use may cause heat, ﬁre, rupture, damage or capacity deterioration of the battery.

MASTER BATTERY, S.L. Describes is not responsible for any accidents caused by the usage without following our

speciﬁcation.

Warning!

• The battery must be far away from heat source, high voltage and avoid to be exposed in sunshine for long time.

• Never throw the battery into water.

• Never connect the positive and negative of battery with metal.

• Never sheep or store battery together with metal.

• Never reverse two electrodes when use the battery.

• Never disassemble the battery without manufacturer's permission and guidance.

• Never knock, throw or trample the battery.

Tips!

• Keep the battery against high temperature. Otherwise it will cause battery heat, get into ﬁre or lose some

function and reduce the life.

• When battery run out of power, please charge your battery timely (≤15 day).

• Please use the matched or suggested charger for this battery.

• If battery emit peculiar smell, heating, distortion or appear any abnormity during working or storage, please stop

using and take it out from device.

• If the battery leaks and get into the eyes or skin, do not wipe, instead, rinse it with clean water and see doctor

immediately.

• Please far away from children or pets.

• Do not put disuse battery into a ﬁre or water.

• If user needs to parallel several battery packs, please charge them to full capacity with same type of matched

charger, and set it aside for 8 hours, professionals only. This battery pack supports application no more than

20 group parallel. If user needs to apply this product to more groups parallel, please reconﬁrm details with us.

• It is strictly prohibited any series between the battery packs. Any requirements on serials connection, please

contact MASTER BATTERY for details.

7. Warning & Tips

www.masterbattery.es

Polígono industrial La Dehesa

C/ Dehesa Vieja,nº2 Nave 16

28052 Madrid (Spain)

Tel. (+34) 918 021 649

Fax. (+34) 917 750 542

info@masterbattery.es

UE-24Li20

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