lifepo4 rechargeable battery cell

lifepo4 rechargeable battery cell 1.Most safety, no explosion. 2.Long life: 3000 cycles. 3. No pollution, green enviroment.

lifepo4 rechargeable battery cell

Description: 24V10AH LFP polymer battery

Model: JZ7070290

1. Main Technical Parameter

Item	Rating	Remark
Nominal Capacity	10AH(250WH)	Discharged at 2A
Nominal Voltage	25V
Working Hours	10H	Discharged at 1A
Max Discharge Current	5A
Discharge Cut-off Voltage	20V
Charge Current	2A
Charge Voltage	28.8V
Charging Time	6H
Weight	<3Kg
Size	Thickness: 70±1mm Width: 70±1mm Height: 290±1mm
External charger	input: 220V 50HZ output: 28.8V2A
Range of work temperature	Charge: -10°C~+60°C Discharge: -20~+70°C
Store Temperature	1 Month: -20°C~+45°C 3 Months: -20°C~+35°C 1 Year: -20°C~+30°C	The Best Temperature In transport is 20°C
Cycle life	3000 cycles	Discharge time>8H
Power interface	One output; One input

2. Standard Charge

2A 28.8V (CC-CV) , total charging time no more than 6 hour.

3. Initial Performance testing

Item	Testing method	Requirement
Open Voltage	Measure the Open Voltage of the battery within 24 hour after the Standard Charge.	≥25V
Nominal Capacity	Discharge the battery at a constant current of 1A to 20V after Standard Charge and deposited 30min, Measure working time of the battery.	≥10H

4. Temperature Dependence of the Discharge Capacity

Discharge temperature	-20°C	0°C	25°C	60°C
Discharge time	7H	9H	10H	10.5H

5. Long-term Storage Characteristics 

The battery used for this test must less than 3 months between manufacture to test. Storage the battery at 25±2°C for 365 days after charge the battery for 50% capacity, Charge and discharge the battery at 0.5C and 25±2°C for 3 cycles, Measure the get back Capacity (The Max Discharge Capacity for three cycles). Requirement: discharge time≥9H.

6. Safety Performance

Item	Test Method	Requirement
Impact Test	Make a hammer (Wight:10Kg) Free-drop from an altitude of 1 meter, impact the battery which riveted on table. (Put the max area side of battery on table perpendicularly)	No fired and no exploded
Heat Impact	Place fully charged cell in oven, temperature 90°C; Maintain temperature for7 days.	No fired and no exploded

7. Guarantee period

The quality guarantee period from the production date (printing) began to take 12 months.

8. User manual

For the use of the battery exactly, the Customer shall strictly observe this item described below. The defects other than those caused by user overstep this Specification shall be excluded from the warranty of CEIEC SICHUAN HUALONG CO., LTD.

Do not use or storage battery near calorific source such as fire and heater.Please use the original charger.Do not throw the battery into fire or heating the battery.Prevent piercing the case of battery with sharp edge such as pin, needle. Do not hammering, trampling battery.Never disassembling the battery in any way.The battery should be charged a half electric power, and the voltage >25V.

9. 24V10AH Power:

10. Charger:

11. Power interface: