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Non-toxic Waterproof 12V Lithium Battery Pack 21Ah for Off-Grid Solar System

Price:
Negotiable
minimum:
Total supply:
Delivery term:
The date of payment from buyers deliver within days
seat:
Guangdong
Validity to:
Long-term effective
Last update:
2017-10-06 19:19
Browse the number:
346

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Company Profile

Guangzhou Sunland New Energy Technology Co.,Ltd

By certification [File Integrity]

Contact：xuzhou(Mr.)

Email：

Telephone：

Phone：

Area：Guangdong

Address：NO902, Xinnan Rd, Nancun, Panyu, Guangzhou, GD, China

Website：http://www.sunlandpower.com/ http://xuzhou.kuangyuanmaoyi.com/

Product Details

Feature:

1. High charging & storage efficiency

2. Lighter weight, with the best power-to-weight ratio

3. Longer life, more than 2000 cycles

4. No memory effects

5. Low self-discharge rate, less than 3% monthly

6. Environment friendly, Non-toxic, non-contaminating and no rare metal

Specification:

No.	Item	General Parameter	Remark
1	Rated Capacity	21Ah	Standard discharge(0.2 C5)after standard charge(0.2 C5)
2	Minimal Rated Capacity	19.6Ah	Standard discharge(0.2 C5)after standard charge(0.2 C5)
3	Nominal Voltage	12.8V
4	Cycle Life	Higher than 60% of the Initial Capacity of the Cells	◆Charge: [email protected] to 14.6V, then CV till current to 0.05C ◆Rest: 30min. ◆Discharge: 0.2C to 10.0V ◆Temperature:20±5℃ ◆Carry out 2000cycles
5	Discharge cut-off voltage	10.0V	10.0V( recommended)
6	Charging cut-off voltage	14.8V	14.6V (recommended)
7	Cell and assembly method
7	Cell and assembly method	IFR18650EC 1.5AH	4S14P
8	Housing material	ABS+PC housing

9	Standard charge	0.2C constant current(CC) charge to 14.6V,then constant voltage (CC)14.6V charge till charge current decline to ≤0.05C	Charge time : Approx 7h
10	Standard discharge	Constant current 0.2C Cut-off voltage 10.0V
11	Maximum Charge Current	1C	(0.2C Recommended)
12	Continuous Discharge Current	1C
12	Peack Discharge Current	5C
13	Operation Temperature Range	Charge: 0~45℃	60±25%R.H.
13	Operation Temperature Range	Discharge:-10~60℃	60±25%R.H.
14	Storage Temperature Range	Less than 1 year : 0~25℃	60±25%R.H. at the shipment state
14	Storage Temperature Range	Less than 3 months:-5~35℃	60±25%R.H. at the shipment state
15	Weight	Approx:2.9Kg
16	Max.Dimension	Height:132mm	132mm77mm140mm
		Width:77mm
		Length:140mm

SUNLAND is one of the leading manufacturers and suppliers of non-toxic waterproof 12v lithium battery pack 21ah for off-grid solar system in China. Under strict quality control system, our quality energy storage products made in our own professional factory must be your best choice.