12 volt Lithium Battery 20Amp Lithium iron Phosphate For Solar
Energy Storage System
With 17years rich experience in 12v lithium battery production,
RJ offer wholesale price for clients with top quality
looking for distributors
| Items |
Parameter |
| Battery Type |
LiFePO4 |
| Nominal Voltage |
12.8V |
| Nominal Capacity |
20Ah |
| Energy |
256Wh |
| Internal Resistance |
≤15mΩ |
| Limited Charge Voltage |
14.6±0.2V |
| Floating Charge Voltage |
13.8±0.2V |
| Charge Method |
CC/CV |
| Discharge Cut-off Voltage |
10.0V |
| Charge Current |
4A (Customizable) |
| Continuous Discharge Current |
20A (Customizable) |
| Pulse Discharge Current |
40A (Peak) |
| Cycle Life |
> 6000 cycles |
| Dimension (mm) |
L*W*H: 181*77*175mm |
| Weight |
4Kg |
| 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 |
RJ 12 volt 20ah lithium battery is very popular and widely used in many applications such as
solar light system, medical emergency equipment etc
| No. |
Item |
Test Item |
Creterion |
| 1 |
Voltage |
Charging Voltage |
DC:14.4V 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 |
10A |
| Rated continuous discharging current |
20A (Peak 40A) |
| 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℃ |
1) Lead time: For battery cells , It is 3days, for battery pack, 15days after payment comfirmed.
2) our Payment method: T/T, Paypal or Alibaba.
3) We offer 5years Warranty for our lifepo4 battery cells and lifepo4 battery pack.
4) We will send you a brand new one if any manufacturer defect in our lithium iron phosphate battery cells or pack.
5) We will take care of all the shipping fee for any after sales within warranty period.
6) We will also arrange a refund if customer does not want our battery any more.
7)We offer customization for all battery pack from 3.2 V to 12V to 96v, capacity from 10ah up to 1000ah, including ,size and dimension , material for shell, BMS over charging and over discharging protection, output and input plug and socket, connector wire etcs.
