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Shenzhen Topband Battery Co., Ltd
A professional manufacturer of LiFePO4 battery / lithium iron phosphate, dedicated to designing, researching, manufacturing, and exporting LiFePO4 batteries( cell & pack & energy storage system) to
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LFP-15S RS485 IP67 576KWh 48V 12Ah Ebike Lifepo4 Battery

Shenzhen Topband Battery Co., Ltd

LFP-15S RS485 IP67 576KWh 48V 12Ah Ebike Lifepo4 Battery

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Brand Name : Topband

Model Number : TB4812F-L110A

Certification : comply with UN38.3

Place of Origin : China

MOQ : 100

Price : Negotiable

Supply Ability : 450Mwh/year

Delivery Time : 25days for samples; 4~6weeks for bulk order

Packaging Details : standard export carton for 48V 12Ah ebike battery

Normal Voltage : 48V (LFP-15S)

Normal capacity : 12Ah

Energy : 576Wh

Resistance : ≤ 80 mΩ @1kHz AC

Charge current : 12 A Max.

Dimension : 155*110*245mm

cut-off discharge : 39.0 V

IP rating : IP67

Communication : RS485

Weight : 6KG

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1. General Information
This specification defines the performance of rechargeable LiFePO4 battery pack manufactured by TB4812F-L110A SHENZHEN TOPBAND BATTERY CO.,LTD describes the type, performance, technical characteristics, warning and caution of the battery pack.


2. Battery Specification(@ 25±5℃)

Series No.ItemsCharacteristic
2.1Normal capacity(Ah)12
2.2Normal energy(wh)576
2.3Normal voltage(V)48
2.4Dimension(mm)155*110*245
2.5Weight(Kg)6
2.6Standard charging voltage(V)54 ~ 55
2.7Floating charging voltage(V)52.5 ~ 53.5
2.8Discharge voltage(V)39 ~ 55
2.9Max constant charge current(A)12
2.10Allowed charge current(A)4
2.11Max constant discharge current(A)18
2.12Allowed charge current(A)12
2.13Peak discharge current(A)30A@0.5s
2.14CommunicationRS485
2.15IP ratingIP67
2.16Operation temperaturecharging:0~45℃
discharging:-20~60℃
2.17Humidity0~85%
2.18Self-discharging≤3%/month; ≤15%/year
2.19Storage environment1 month:-20~60℃, 5~75%RH
6 month:-10~45℃, 5~75%RH
1 year:10~25℃, 5~75%RH
2.20SOC for outgoing50%~65%
2.20Cycles>1200 @25℃
2.21comply with standardsUN38.3, IEC62619

3. Electrical Characteristics & Test Condition


NO.ItemsCriterionCondition
3.1Normal capacity12AhAfter Normal charge, discharge @1C current to the end of
discharge voltage.
3.2initial IR≤65mΩ@50% SOC @1kHz AC internal resistance test instrument.
3.3Short circuit

Auto cutoff load when
short circuit

Connect the positive and negative of this battery pack through a lead with 0.1Ω resistance.
3.4

Cycle life

@DOD80%

≥1200 cycles

After Normal charge,discharge @1C current discharge
80%SOC. Repeat above process until discharge capacity
reduce to 80% of initial value.

3.5Discharge
temperature
characteristic
@0.2C
-20℃(6h)≥70%
Capacity @specified temperature

/Capacity @ 25℃


=the percentage accord with criterion

0℃(6h)≥80%
23℃(4h)≥100%
53℃(4h)≥95%
3.6Capacity
retention rate
remain capacity
≥96%
After normal charge, store the battery @25±5℃ for 28days, then discharge capacity @0.2C,the retention capacity accord with criterion.

4. User guide/Production dimension



5.Storage and delivery
*The battery should be stayed in the warehouse 15~35 where it’s dry, clean, shade, and well-ventilated.
*The battery should be stored in 50% SOC during transportation.
*The battery need to be charge every 6 months if our of use.

*Keep the battery against dropping, serious stacking and turning over during loading, and keep face up.

6. Caution and attention
Please read and follow the handling instructions before use. Improper use may cause heat, fire, rupture,
damage or capacity deterioration of the battery. SHENZHEN TOPBAND BATTERY CO.,LTD. Describes is
not responsible for any accidents caused by the usage without following our handling instructions.


*Battery must be far away from heat source, high voltage, and no exposed in sunshine for long time.

*Never throw the battery into water or fire.
*Never reverse two electrodes when use the battery
*Never connect the positive and negative of battery with metal.
*Never knock, throw or trample the battery.
*Never disassemble the battery without manufacturer's permission and guidance.
*Never use mixed with other type of battery
*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 (15days).

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

*If battery emit peculiar smell, heating, distortion or appear any abnormity, please stop using.

*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.

*The battery cannot support to connect in series or parallel, please contact factory if needed.

Keywords: 48V ebike battery, electric scooter battery, rechargeable lithium ion battery


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