Product Details

Technical data for 12v 20ah lithium-ion battery :

Nominal Voltage	12V
Nominal Capacity	20Ah
Internal Resistance	≤250mΩ
	over 500 times cycles ≤250mΩ
Discharge end voltage	8.4V
Charge protect voltage	12.6V
Max charge voltage	12.6V-12.9V
Max charge current	2.0A
Max discharge current	4-7A( Can be choosed)
Working temperature	Charge	-20~45°C,45~85%RH
	Discharge	-20~60°C,45~85%RH
Storage condition	0ne month: -20~+55°C,45~85%RH
	Two months: -20~+45°C,45~85%RH
	One year: -5~+20°C,45~85%RH
Cycle life	500 times
Safety certificate	CE, RoHS, MSDS...

World foremost battery cells (Panasonic, Sanyo, Samsung, LG...):

Safety PCM (Protection Circuit Module) system:

Masspower company building:

Office and workshop views:

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