Product Details

Technical data for 11.1v 4000mah li-ion rechargeable battery :

Item			Specific
1	Nominal Voltage		11.1V
2	Nominal Capacity		4400mAh
3	Discharge Protect Voltage		8.4V
4	Charge Current		2A
5	Size	Length	56mm
		Width	37mm
		Height	70mm
	Working temperature		-20~55°C
7	StorageTemperature	One month:	-20~55°C,45~85%RH
		Two months:	-20~45°C,45~85%RH
		One year:	-5~+20°C,45~85%RH
8	Max Charge Voltage		12.6V
	Applied Power		≤50W
9	Weight		300g
	Charge Method		CC-CV

Quality PCM (Protection Circuit Module):

Premium cells(Samsung, Sanyo, Panasonic, LG...):

External view of our company:

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Payment terms: T/T, Western union, Paypal.
Lead time: 3-5 working days (sample order), 10-15 working days (normal order).
Shipping way: Air Express (DHL, UPS, TNT), Sea transportation.

Why choose us?
Top-rated factory: have plants in Shenzhen and Shanghai, workshop is over 50 000 square meters.

Professional Experience: our R&D team consists of senior electrochemical research, doctors, masters and bachelors of Science. More than 7 years experience in designing and developing.

Abundant products: a professional manufacture of Li-ion, Li-polymer, LiFePO4 rechargeable battery packs, for both consumer and industrial applications.

Careful service: We provide OEM/ODM service, response fast, and email reply within 24 hours.

Warranty: 12 months after shipment
Certificates: CE,RoHS, MSDS, UN38.3