solar battery lifepo4 lithium ion battery 12V20Ah for lighting

solar battery lifepo4 lithium ion battery 12V20Ah for lighting    O'CELL 12V20Ah Solar Battery Pack with SLA Case Usage Notes: Our 12V20AH module, with nominal voltage of 12V and capacity of 20Ah is assembled with high power LiFePo4 cells.It can be used individually and can be connected in serial or parallel to achieve given voltage and capacity.   Features: a. Extremely safe and stable chemistry: PCB and/or BMS built inside to balance protect the battery. b. Long life-cycle: Can be circularly used, best can up to 2000 times recycles, 8 times of Lead acid battery. c. Lighter weight, with the best power-to-weight ratio: 1/3 of Lead acid battery weight. d. Good performance at high temperature and high temperature resistance e. Low self-discharge rate, less than 3% monthly. f.  No memory effects and highly efficient charge. g. Environment friendly: Clean and Green energy poses no pollution on our environment.  

Item	Unit	Specifications
Nominal Capacity	Ah	20.0
Nominal Voltage	Voltage	12.0
DimensionH×W×L	mm	181×76×166mm
Weight	kg	2.55
Charge Cut-off Voltage	Voltage	14.6
Discharge Cut-off Voltage	Voltage	10.0
Charge current	Amps	10.0
Rated Discharging Amperage	Amps	25.0
Standard Discharging Amperage	Amps	25.0
Internal Resistance	mΩ	<15 mΩ
Working Temperature (Charging)	oC	0oC--55oC
Working Temperature (Discharging)	oC	-20oC--70oC
Relative Humidity	N/A	45%--75%RH
Life Cycle(2C,80%DOD)		1000
Life Cycle(1C,80%DOD)		2000
Warranty	Year	1