Shenzhen Topband Battery Co., Ltd
| 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 |
| Brand Name | Topband |
| Model Number | TB4812F-L110A |
| Certification | comply with UN38.3 |
| Place of Origin | China |
View Detail Information
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Product Specification
| 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 | Brand Name | Topband |
| Model Number | TB4812F-L110A | Certification | comply with UN38.3 |
| Place of Origin | China | ||
| High Light | 576KWh Ebike Lifepo4 Battery ，12Ah Ebike Lifepo4 Battery ，RS485 Rechargeable Lithium Ion Battery | ||
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. | Items | Characteristic |
| 2.1 | Normal capacity(Ah) | 12 |
| 2.2 | Normal energy(wh) | 576 |
| 2.3 | Normal voltage(V) | 48 |
| 2.4 | Dimension(mm) | 155*110*245 |
| 2.5 | Weight(Kg) | 6 |
| 2.6 | Standard charging voltage(V) | 54 ~ 55 |
| 2.7 | Floating charging voltage(V) | 52.5 ~ 53.5 |
| 2.8 | Discharge voltage(V) | 39 ~ 55 |
| 2.9 | Max constant charge current(A) | 12 |
| 2.10 | Allowed charge current(A) | 4 |
| 2.11 | Max constant discharge current(A) | 18 |
| 2.12 | Allowed charge current(A) | 12 |
| 2.13 | Peak discharge current(A) | 30A@0.5s |
| 2.14 | Communication | RS485 |
| 2.15 | IP rating | IP67 |
| 2.16 | Operation temperature | charging:0～45℃ |
| discharging:-20～60℃ | ||
| 2.17 | Humidity | 0~85% |
| 2.18 | Self-discharging | ≤3%/month; ≤15%/year |
| 2.19 | Storage environment | 1 month:-20～60℃, 5～75%RH |
| 6 month:-10～45℃, 5～75%RH | ||
| 1 year:10～25℃, 5～75%RH | ||
| 2.20 | SOC for outgoing | 50%~65% |
| 2.20 | Cycles | ＞1200 @25℃ |
| 2.21 | comply with standards | UN38.3, IEC62619 |
3. Electrical Characteristics & Test Condition
| NO. | Items | Criterion | Condition | |
| 3.1 | Normal capacity | 12Ah | After Normal charge, discharge @1C current to the end of discharge voltage. | |
| 3.2 | initial IR | ≤65mΩ | @50% SOC @1kHz AC internal resistance test instrument. | |
| 3.3 | Short circuit | Auto cutoff load when | 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 | |
| 3.5 | Discharge 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% | |||
| 3.6 | Capacity 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
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1996
Total Annual:
240million-250million
Employee Number:
5000~5500
Ecer Certification：
Active Member
Shenzhen Topband Co., Ltd. was registered in so-called “China Silicon Valley”, Shenzhen Hi-tech Industrial Park in 1996, and got listed in Shenzhen Stock Exchange ( the stock code as 002139) in 2007. After years of rapid development, now Topband takes lithium battery as the ... Shenzhen Topband Co., Ltd. was registered in so-called “China Silicon Valley”, Shenzhen Hi-tech Industrial Park in 1996, and got listed in Shenzhen Stock Exchange ( the stock code as 002139) in 2007. After years of rapid development, now Topband takes lithium battery as the ...
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