Model NO.: HYLB-850 Standard: 11.1V 4400mAh Origin: China Type: Lithium-ion Charger: Yes Shape: Cylindrical Cell ( Y) Discharge Rate: Low Discharge Rate Nominal Voltage: 12V Pack style: 3S2P by SANYO 18650 2200mAh cell We can supply both the imported brand cell( SANYO, Samsung, Panasonic) for the pack, our service is to design and manufacture the rechargeable power source for the medical device, portable instrument, wireless telecommunication industries...etc. All our batteries can be designed& produced under the requirement of RoHS, CE, UL, ISO9001, 2009 IATA DGR and Euro Declaration document. For interest, please contact with us. ShenZhen HengYu Energy Technology Co., Ltd Tel: + 86-755-86006067 Fax: + 86-755-26585593 Email: jessie@ hengyutech.com jessiezhou1123@ gmail.com Website: www.hengyubattery.com