12V 40AH 5years Warranty Lifepo4 Battery Pack Chinese Supplier For EV Charging Stations
WHY CHOOSE US?
1. Our company is a high-tech enterprise with 10 years’ experience in R&D battery.
2. With a total span of 20000 square meters, our monthly production capacity can exceed 6,000,000 Ah in our factories.
3. Flexible customizing and manufacturing accepted.
4. We promise providing high quality products with our professional R&D team, accomplished and experienced workers and advanced equipment.
5. Strict management and control for every progress in producing and 100% QC inspection before shipment.
6. We provide service of sample and prompt shipment, and sending someone to follow up the logistics progress after delivery.
7. 5 years warranty(extendible up to 10years). Professional after-sales service, give instruction on how to use the products.
| ItemsItems |
Parameter |
| Battery Type |
LiFePO4 |
| Nominal Voltage |
12.8V |
| Nominal Capacity |
40Ah |
| Energy |
512Wh |
| Limited Charge Voltage |
14.6±0.2V |
| Floating Charge Voltage |
13.8±0.2V |
| Charge Method |
CC/CV |
| Discharge Cut-off Voltage |
10.0V |
| Standard Charge Current |
40A |
| Standard Continuous Discharge Current |
40A |
| Max. Continuous Discharge Current (1ms) |
80A |
| Cycle Life |
> 6000 cycles |
| Dimension (mm) |
Length: 232±2 Width: 171±2 Height: 215±2 |
| Weight |
5.5±0.2Kg |
| Charge Temperature Range |
0~45℃ |
| Discharge Temperature Range |
-20~60℃ |
| Recommended Operating Temperature |
15~35℃ |
| Self-Discharge Rate (Residual capacity) |
≤3%/month; ≤15%/years |
| Self-Discharge Rate (Reversible capacity) |
≤1.5%/month; ≤8%/years |
| Storage Temperature & Humidity Range (Less than 1 month) |
-20~35℃, 45~75%RH |
| Storage Temperature & Humidity Range (Less than 3 months) |
-10~35℃, 45~75%RH |
| Recommended Storage Temperature & Humidity Range |
15~35℃,45~75%RH |
Built-in BMS
| No. |
Item |
Test Item |
Creterion |
| 1 |
Voltage |
Charging Voltage |
DC:14.6V CC/CV |
| Balance voltage for single cell |
3.50±0.025V |
| 2 |
Current |
Balance voltage for single cell |
35±5mA |
| Current consumption |
≤50μA |
| Charging current |
40A |
| Rated continuous discharging current |
40A (Peak 80A) |
| 3 |
Over charge Protection |
Over charge detection voltage for single cell |
3.65V±0.025V |
| Over charge detection delay time |
0.7S—1.3S |
| Over charge release voltage for single cell |
3.550±0.05V |
| 4 |
Over discharge Protection |
Over discharge detection voltage for single cell |
2.50V±0.07V |
| Over discharge detection delay time |
1.6±0.5S |
| Over discharge release voltage for single cell |
3.00±0.75V |
| 5 |
Over current Protection |
Over current detection current |
500±50A |
| Over current detection delay time |
1.6±0.5S |
| Release condition |
Cut load |
| 6 |
Short Protection |
Detection condition |
Exterior short circuit |
| Detection delay time |
230uS—500uS |
| Release condition |
Cut load |
| 7 |
Resistance |
Protection circuitry (MOSFET) |
≤60mΩ |
| 8 |
Temperature |
Operating Temperature Range |
-40~+85℃ |
| Storage Temperature Range |
-40~+125℃ |
BlueTooth APP Monitor
(Optional)
Advantages:
- Longer battery life – 6000times life cycle , 5 times more than lead acid batteries
- Low self-discharge
- Free of charge memory
- Steady discharge and charge performance.
- Outstanding thermal stability
- Wide temperature performance
- Short circuit protection
- Over charge and over discharge protection
- Over current protection
- Easy carrying and installation - can be carried and installed in any direction
- Fast charging - about 4~6 hours to be fully charged
- Lighter weight - 1/2~1/4 in weight compared to LA batteries
- Require no change to a lead acid battery charging system
- Better safety - mild warm, no explosion and firing, free of leakage
- Environmentally friendly - no poisonous lead, no acid, no heavy/rare metals, no gasses during charge, free of leakage and pollution
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