China 3.2V LiFePO4 Battery Cell manufacturer
Rj Energy co.,Limited
9000cycles- 15 years Warranty - Factory Price - OEM/ODM
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12 volt Lithium Battery 20Amp Lithium iron Phosphate For Solar Energy Storage System

12 volt Lithium Battery 20Amp Lithium iron Phosphate For Solar Energy Storage System

Brand Name RJ
Model Number RJ-LFP-1220
Certification MSDS/UN38.3/ROHS/CE/KC
Place of Origin China
Minimum Order Quantity 1pcs
Price USD1-100/pcs (FOB Shenzhen)
Payment Terms TT
Supply Ability 100000Sets
Delivery Time 7days
Packaging Details Carton Package
Material LiFepo4
Voltage 12.8V
Capacity 20AH
Lifespan >20years
LIfe cycles >6000times
Weight 4KG
Detailed Product Description

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

 

 

 

ItemsParameter
Battery TypeLiFePO4
Nominal Voltage12.8V
Nominal Capacity20Ah
Energy256Wh
Internal Resistance≤15mΩ
Limited Charge Voltage14.6±0.2V
Floating Charge Voltage13.8±0.2V
Charge MethodCC/CV
Discharge Cut-off Voltage10.0V
Charge Current4A (Customizable)
Continuous Discharge Current20A (Customizable)
Pulse Discharge Current40A (Peak)
Cycle Life> 6000 cycles
Dimension (mm)L*W*H: 181*77*175mm
Weight4Kg
Charge Temperature Range0~45℃
Discharge Temperature Range-20~60℃
Recommended Operating Temperature15~35℃
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.ItemTest ItemCreterion
1VoltageCharging VoltageDC:14.4V CC/CV
Balance voltage for single cell3.50±0.025V
2CurrentBalance voltage for single cell35±5mA
Current consumption≤50μA
Charging current10A
Rated continuous discharging current20A (Peak 40A)
3Over charge ProtectionOver charge detection voltage for single cell3.65V±0.025V
Over charge detection delay time0.7S—1.3S
Over charge release voltage for single cell3.550±0.05V
4Over discharge ProtectionOver discharge detection voltage for single cell2.50V±0.07V
Over discharge detection delay time1.6±0.5S
Over discharge release voltage for single cell3.00±0.75V
5Over current ProtectionOver current detection current500±50A
Over current detection delay time1.6±0.5S
Release conditionCut load
6Short ProtectionDetection conditionExterior short circuit
Detection delay time230uS—500uS
Release conditionCut load
7ResistanceProtection circuitry (MOSFET)≤60mΩ
8TemperatureOperating 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.

 

 

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