7.4v 6.6ah rechargeable lithium polymer battery

Matters and Notes for Lithium Ion Pack ,li polymer battery and military li ion battery packs.
Firstly, lithium ion battery can be seen everywhere in people's life. Various portable electronic products, on-board GPS, etc., lithium ion battery becomes an important part to maintain the operation of these tools. Proper charge and discharge of lithium ion battery can prolong battery life. The lithium ion battery power is maintained at 10%~90%, which is conducive to protecting the battery. This means that batteries for digital devices such as mobile phones and laptops do not need to be maximized

The above models are available in YFJ company

Model:3.7V 9Ah ,...

Model:7.4V-2.2Ah,4.4Ah,6.6Ah,8.8Ah......

Model: 12V - 4Ah, 5Ah, 6Ah, 8Ah, 9Ah, 11Ah, 12Ah, 13Ah, 14Ah, 15A h, 16Ah, 17Ah, 18Ah, 19Ah, 20Ah

Models: 24V -- 4.4Ah, 5Ah, 6.6Ah, 8.8Ah, 9Ah, 11Ah, 13.2Ah, 15.4Ah, 17.6Ah, 19.8Ah, 22Ah, 25Ah, 33Ah

Models: 36V -- 4.4Ah, 5Ah, 6.6Ah, 8.8Ah, 9Ah, 11Ah, 13.2Ah, 15.4Ah, 17.6Ah, 19.8Ah, 22Ah, 25Ah, 33Ah

Model: 48V -- 4.4Ah, 5Ah, 6.6Ah, 8.8Ah, 9Ah, 11Ah

We can also provide OEM/ODM service for customers

7.4V 2.2Ah Battery Pack

NO.	Items		Specifications
1	Charge voltage		8.4V
2	Nominal voltage		7.4V (2S3P)
3	Initial impedance		125mΩ
4	Nominal capacity		6.6Ah
5	Minimum capacity		6.5Ah
6	Charge current		Standard Charging::0.2C5A (1.32A) Rapid charge:0.5C5A C(3.3A) Max
7	Standard Charging method		1.32A(0.2C5A) CC(constant current)charge to 8.4V,then CV(constant voltage 8.4V)charge till charge current decline to ≤66mA(≈0.01C5A)
8	Charging time		Standard Charging:6.5hours(Ref.) Rapid charge: 3.5hours(Ref.)
9	Max.discharge current		3.3A(0.5C5A)
10	Discharge cut-off voltage		5.5V
11	Shelf life		2 years
12	Cycle life (0.2C5A/0.2C5A)		400 times,≧80%DOD
13	Operating temperature		Charging: 0℃~45℃ Discharging:-20℃~+60℃
14	Storage temperature	Less than 1 month	-10℃~+45℃	Percentage of recoverable capacity :85%
		Less than 6 month	-20℃~+35℃
15	Pack Weight		Approx:298 g
16	Pack Dimension		Length: Max 68.00 mm Width: Max55.00 mm Thickness:Max38.00 mm

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