2S 21700 5000mAh Lithium Battery Pack for E-call System

CM Batteries has designed and manufactured 2S 21700 5000mAh rechargeable lithium battery pack, utilized for e-Call system from vehicles. The battery requires a stable power supply.

2S 21700 5000mAh Battery Solution

Premium Cells: Made of premium 21700 cells from LG and Samsung.
Compact design: The compact dimension is 23x44x73mm.
Temperature Range: Operation in the wide temperature ranges from -20°C to 60°C for discharging.
Reliability: Integrated with SEIKO chips.
Connector: Assemble with mounted connectors JST, Molex and others.

21700 5000mAh 2S Battery Pack Parameters

No.	Items	Specification
1	Mode	CMB0201997
2	Size	234473（mm）
3	Charge voltage	8.4V
4	Nominal voltage	7.4V
5	Nominal capacity	5000mAh
6	Charge current	Standard Charging:：0.5C/Rapid charge：1.0C
7	Standard Charging method	0.2C（constant current）charge to 4.2V,then CV(constant voltage 4.2V)charge till charge current decline to≤0.01C
8	Charging time	Standard Charging：3.0hours(Ref.)/Rapid charge：2hours(Ref.)
9	Max.charge current	1C（5000mA）
10	Max.discharge current	2C(10000mA)
11	Discharge cut-off voltage	2.75V
12	Operating temperature	Charging：0℃~45℃/Discharging：-20℃~60℃
13	Weight	Approx：150g

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21700 5000mAh 2S Rechargeable lithium battery pack FAQs

Can we use 2S 18650 battery pack instead of 21700 battery pack?

It depends on your needs.CM Batteries team will guide you how to custom battery packs.

Is the 7.4V 5000mAh battery suitable for other applications?

Yes, please send us your devices datas to estimate first.

Is there a warranty on this battery?

Yes, we offer a 12-month warranty.

Is this 7.4V 21700 battery pack ceritified?

CM Batteries are focusing on custom batteries. Besides, the certificate right belongs to our customers. The certificate will be used only be authorized.