Shenzhen Topband Battery Co., Ltd
| Supply Ability | 450Mwh/year |
| Delivery Time | 2~4weeks for samples; 4~6weeks for mass production |
| Packaging Details | standard export carton |
| Payment Terms | L/C, T/T |
| Material | Nano LiFePO4 |
| Type | Prismatic |
| Nominal voltage | 12.8V |
| Nominal capacity | 40Ah |
| Cycle life | 2000cycles @100% DOD |
| Dimension | 196X165X174mm |
| Weight | 6.8kg |
| Warranty | 2 years |
| Brand Name | Topband |
| Model Number | TB1240F-S110C |
| Certification | ISO9001, ISO14001 |
| Place of Origin | China |
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Product Specification
| Supply Ability | 450Mwh/year | Delivery Time | 2~4weeks for samples; 4~6weeks for mass production |
| Packaging Details | standard export carton | Payment Terms | L/C, T/T |
| Material | Nano LiFePO4 | Type | Prismatic |
| Nominal voltage | 12.8V | Nominal capacity | 40Ah |
| Cycle life | 2000cycles @100% DOD | Dimension | 196X165X174mm |
| Weight | 6.8kg | Warranty | 2 years |
| Brand Name | Topband | Model Number | TB1240F-S110C |
| Certification | ISO9001, ISO14001 | Place of Origin | China |
| High Light | lithium iron phosphate deep cycle battery ，industrial deep cycle batteries | ||
40Ah Capacity Rechargeable Lithium Ion Battery Deep Cycle TB1240F-S110C
Replace the traditional lead acid batteries
long lifespan & powerful & reliable
lighter & smaller and environment friendly
1. Deep cycle lithium ion battery 12V 40Ah Specification
| NO. | Items | Criteria | Remarks |
| 2.1 | Rated Capacity | 40Ah | |
| Minimum Capacity | 40Ah | ||
| 2.2 | Energy | 0.512KWh | |
| 2.3 | Nominal Voltage | 12.8V | |
| 2.4 | Outgoing Voltage | ≥12.8V | |
| 2.5 | Internal resistance | ≤40mΩ | |
| 2.6 | Limited charge voltage | 14.6±0.1V | |
| 2.7 | Floating charge voltage | 13.8±0.2V | |
| 2.8 | Standard charge current | 20A | |
| 2.9 | Maximum charge current | 40A | |
| 2.10 | Standard discharge current | 20A | |
| 2.11 | Maximum discharge current | 50A | |
| 2.12 | Peak discharge current | 150A/Continuous for 3 s | |
| 2.13 | Discharge cut-off voltage | 8.0V(2.0V For each cell) | |
|
2.14 | Dimension | Length: 196±2mm | |
| Width: 165.5±2mm | |||
| Height: 174±2mm | |||
| 2.15 | Weight | Approx: 6.8kg | |
|
2.16 | Operating Temperature | Charging: 0～45℃ | |
| Discharging: -20～60℃ | |||
| Recommended operating temperature: 15℃～35℃ | |||
| 2.17 | Self-discharge rate | Residual capacity: ≤3%/month;≤15%/years | |
| Reversible capacity: ≤1.5%/month;≤8%/years | |||
| 2.18 | Storage Temperature & Humidity Range | Less than 1 month: -20℃～35℃, 45%RH～75％RH | |
| Less than 3 months: -10℃～35℃, 45%RH～75％RH | |||
| Recommended storage environment: 15℃～35℃, 45%RH～75％RH | |||
| Long time storage: If the battery need be stored for a long time, the voltage should be 13.2V(50%SOC), and stored in the condition as storage proposal. It need at least one charge & discharge cycle every six months | |||
2. Deep cycle lithium ion battery 12V 40Ah performance
| NO. | Items | Criteria | Testing method | |
| 4.1 | Rated Capacity | 40Ah | 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 120 minutes, you can stop and define the Discharging current*time value (Ah) as battery capacity. | |
| 4.2 | Minimum Capacity | 40Ah | ||
| 4.3 | Internal resistance | ≤40mΩ | 50% battery SOC state frequency of 1 KHZ ac resistance tester | |
| 4.5 | Cycle life (DOD100%) | ≥2000cycle | Discharge with the current of 0.33C 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. | |
| 4.6 | Discharge Temperature Characteristics | -20℃ | ≥70% | At 25±5℃ discharge the battery with the current of 0.33C to the cut-off voltage and record charge capacity. Store the battery at various temperatures for 2h and discharge the battery with 0.33C to the cut-off voltage. |
| -0℃ | ≥80% | |||
| 25℃ | ≥100% | |||
| 55℃ | ≥95% | |||
| 4.7 | Charge Retention ability | Residual capacity≥80% | Charge the battery to full capacity and store it for 28days, and then discharge it with 0.33C to the cut-off voltage. | |
| Recovery capacity≥90% | ||||
3. Deep cycle lithium ion battery 12V 40Ah dimension
4. Application
1. Cavacan, RV, Electric scooter, LED light, etc
2. Storage: solar and wind complementary stored energy streetlights, energy storage systems, household energy storage.
3. Power Supply: communication base station power supply, utility power supply, communication industry, emergency power supply and other system standby power etc.
4. Excellent service
Your inquiry will be warmly welcomed, looking forward to our long term cooperation.
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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