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Shenzhen Topband New Energy Co.,Ltd
A professional manufacturer of LiFePO4 battery / lithium iron phosphate , engaged in design , research , manufacture , sales and after sales for LiFePO4 battery( cell & pack & BMS/PCM) .
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Nano LiFePO4 technology Smart Lithium Battery 12V 40Ah for Solar Energy

Nano LiFePO4 technology Smart Lithium Battery 12V 40Ah for Solar Energy

Brand Name : Topband
Model Number : TB1240F-S110A
Certification : ISO9001, ISO14001, MSDS
Place of Origin : China
MOQ : 100pcs
Price : Negotiable
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 : 12.8V
Norminal capacity : 40Ah
Cycle life : ≥2000 (100% DOD)
Weight : 6.5KG
Dimension : 196*165*174mm
Type : prismatic
Warranty : 2 years
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Nano LiFePO4 technology Smart Lithium Battery 12V 40Ah for Solar Energy

1. Lifepo4 Battery Pack 12v 40ah feature

1. Green product: LiFePO4 material is no harm to enviroment and human being .

2. Cycle life: More than 2000 cycle times

3. Very safe: It have the best safety and steady performance,no fire ,no exploding under the condition of over-charge.

4. Light weight and smaller dimension: The dimension compares with other battery.about 1/2-2/3 weight of lead acid

5. Great capacity and more powerful,rechargeable battery: We can install many single cells in series and in parallet and it can fully discharge

6. No memory effect: It can be recharged anytime,no reduction of the capacity

2. Lifepo4 Battery Pack 12v 40ah Specification

NO.ItemsCharacteristicsTesting Methods
1Nominal Voltage12.8VFollow
2Nominal Capacity40AhFollow
3Battery internal ImpedanceInternal Impedance≤20mRInternal Impedance Testing Machine(1kHz )
4Shipment Voltage10.0~14.6VMulti-meter
5DimensionLengthMAX: 196x165x174mmVernier caliper
gross weight6.5kgelectronic scale
6Working TemperatureCharge0~45℃,45~85%RHTemperature & Humidity Instruments
7Storage Temperature & Humidity RangeShort: above one month-20~+55℃,45~85%RHTemperature & Humidity Instruments
Medium: above three months0~+45℃,45~85%RH
Long:above one year+5~+30℃,45~85%RH
8Allowed maximum continuous charge current50AMulti-meter
9Allowed maximum continuous discharge current50APulse current 150A/2S
10Allowed maximum reverse charge voltageNO Allowed/
11Allowed maximum charge voltage14.6±0.1VMulti-meter
12Discharge cut-off voltage≤10VMulti-meter

3. Lifepo4 Battery Pack 12v 40ah Safety Test

No.ItemsStandardsTesting Methods
1Short-CircuitThe battery should be no remarkable breakage, distortion. And charge normally.Use a resistor with less than 0.05Ω to make the battery short circuit for 1 hour. The appearance and characteristics are normal.
2Over Discharge Protection TestThe 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(≥8.0V)
3Impact TestThe battery should be no explosion or catch firePlace 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
4. Storage & Transportation
  • Based on the character of cell, proper environment for transportation of LiFePO4 battery pack need to be created to protect the battery.
  • Battery should be stayed in the ware house -20℃~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 charged every 6 months if out of use.
  • Keep the battery against dropping, turning over and serious stacking during loading.

5. Warning & Tips
Please read and follow the specification and caution remarks on battery surface before use the battery. Improper use may cause heat, fire, rupture, damage or capacity deterioration of the battery. SHENZHEN TOPBAND NEW ENERGY CO.,LTD. Describes is not responsible for any accidents caused by the usage without following our specification.

6. Deep cycle lithium battery 12V 40Ah dimension

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