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

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

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

Product Details:

Place of Origin:	GuangZhou
Brand Name:	TAC
Certification:	RoHs/UL/IEC
Model Number:	IFM12.8V-21AH-E2C

Payment & Shipping Terms:

Minimum Order Quantity:	50 units
Price:	Price Negoation
Packaging Details:	1 unit/caron
Delivery Time:	30 days after receive the payment
Payment Terms:	L/C, T/T, Western Union
Supply Ability:	10000 units/month

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Detailed Product Description

High Light:

lithium polymer battery packs

Lithium Ion Cylindrical Battery

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

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: CC@0.2C 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