Shenzhen Topband Battery Co., Ltd
| Payment Terms | L/C, T/T |
| Supply Ability | 450Mwh/year |
| Delivery Time | 2~4weeks for samples; 4~6weeks for mass production |
| Packaging Details | standard export carton |
| Material | LiFePO4 |
| Norminal voltage | 51.2V |
| Norminal capacity | 25Ah |
| Cycle life | ≥2000 (100% DOD) |
| Weight | 12.2KG |
| Operating temperature | -20~60℃ |
| Internal Impedance | ≤80mΩ |
| Warranty | 2 years |
| Brand Name | Topband |
| Model Number | TB4825F-M120A |
| Certification | ISO9001, CE, MSDS |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T | Supply Ability | 450Mwh/year |
| Delivery Time | 2~4weeks for samples; 4~6weeks for mass production | Packaging Details | standard export carton |
| Material | LiFePO4 | Norminal voltage | 51.2V |
| Norminal capacity | 25Ah | Cycle life | ≥2000 (100% DOD) |
| Weight | 12.2KG | Operating temperature | -20~60℃ |
| Internal Impedance | ≤80mΩ | Warranty | 2 years |
| Brand Name | Topband | Model Number | TB4825F-M120A |
| Certification | ISO9001, CE, MSDS | Place of Origin | China |
| High Light | Deep Cycle Rv Battery ，Lithium Rv Battery | ||
| NO. | Items | Characteristics | Testing Methods | |
| 1 | Nominal Voltage | 51.2V | Follow GB/T18287-2013> | |
| 2 | Nominal Capacity | 25Ah | Follow | |
| 3 | Minimum Capacity | 23.75Ah | Follow | |
| 4 | Battery internal Impedance | Internal Impedance≤80mΩ | Internal Impedance Testing Machine(1kHz ) | |
| 5 | Shipment Voltage | 51.2～54.4V | Multi-meter | |
| 6 | Dimension | Length | 318(±2)*165(±2)*215(±2)mm | Vernier caliper |
| Width | ||||
| Height | ||||
| Gross weight | 12.2±0.8 kg | electronic scale | ||
| 7 | Working Temperature | Charge | 0~45℃,45~85%RH | Temperature & Humidity Instruments |
| Discharge | -20~55℃,45~85%RH | |||
| 8 | Storage Temperature & Humidity Range | Short: above one month | -20~+55℃,45~85%RH | Temperature & Humidity Instruments |
| Medium: above three months | 0~+45℃,45~85%RH | |||
| Long:above one year | +5~+30℃,45~85%RH | |||
| 9 | Allowed maximum continuous charge current | 15A | ||
| 10 | Allowed maximum continuous discharge current | 50A | Pulse current 115A/3S； | |
| 11 | Allowed maximum reverse charge voltage | Not Allowed | / | |
| 12 | Allowed maximum charge voltage | 58.4±0.3V | Multi-meter | |
| 13 | Discharge cut-off voltage | 37~45V | Multi-meter | |
| 14 | Pack series connection function | None | ||
| No. | Items | Standards | Testing Methods |
| 1 | Short-Circuit | NONE | Prohibit output electrode short circuit |
| 2 | Over Discharge Protection Test | The battery should be no remarkable breakage, distortion. Appearance and charge are normal. | Discharge the battery at the rate of 0.2C with the load of 30Ω for 24h . Charging for 10sec with specified adapter , and check the voltage(≥37V) |
| 3 | Impact Test | The battery should be no explosion or catch fire | Place a full charged battery on a flat and put a stainless steel stick (Diamond 7.9mm) in the middle of the battery upright . Beat the steel stick with 9.1Kg |
1.Energy Storage System
2.Starter Battery
3.RV Camper/Caraven Battery
4.UPS Storage Battery
5.Forklift Battery
6.Golf Trolley/Cart Battery
7.EV Battery
8.Outdoor Portable Power Battery
9.Marine Battey
10.Battery Cell Application
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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