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 |
| Chemistry | LiFePO4 |
| Norminal voltage | 51.2V |
| Norminal capacity | 25Ah |
| Cycle life | ≥2000 (100% DOD) |
| Weight | 12.2KG |
| Dimension | 318*165*215mm |
| Type | prismatic |
| Warranty | 2 years |
| Brand Name | Topband |
| Model Number | TB4825F-M120A |
| Certification | ISO9001, ISO14001, 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 |
| Chemistry | LiFePO4 | Norminal voltage | 51.2V |
| Norminal capacity | 25Ah | Cycle life | ≥2000 (100% DOD) |
| Weight | 12.2KG | Dimension | 318*165*215mm |
| Type | prismatic | Warranty | 2 years |
| Brand Name | Topband | Model Number | TB4825F-M120A |
| Certification | ISO9001, ISO14001, MSDS | Place of Origin | China |
| High Light | lithium iron phosphate deep cycle battery ，lithium battery pack | ||
| 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 | Internal Impedance | Impedance ≤80mΩ | Under 20±5℃ Environment Temperature , the Usage Frequency of Fully Charge( 1KHz) , Use AC Internal Impedance test machine to test |
| 2 | Nominal Capacity | 25Ah | Rest for 0.5~1 hour after fully charge, Using electrical loader to connect with the battery output port, and discharge with constant current 0.2C till it can’t discharge. Do the cycle three times, if there is one time that the discharge time is equal or more than 285minute, you can stop. |
| 3 | Short circuit protection | NONE | Prohibit output electrode short circuit |
| 4 | Allowed Maximum continuous charge Current | 15A | charging with this current for more than 0.5h and the added temperature of battery pack less than 20℃. |
| 5 | Allowed Maximum continuous discharge Current | 50A | Discharging with this current for more than 0.5h and the added temperature of battery pack less than 20℃. |
| 6 | Over Current Protection | 115~145A | Using electron load connect with output side, discharge with 115A for about 3sec Discharge with 145A for less than 40 millisecond, |
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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