Lithium Battery Packs

We are offering lithium battery packs.
Zhengzhou r-founder technology co.,ltd established in 2005, is an exporter and manufacturer of chinese pcba products. Through nearly 10 years?hard research and development, r-founder accumulated much experience in rechargeable battery management system, and mastered many core technologies in this field. With the booming of our company, we introduced precise smt machinery, automatic high-accuracy test instruments, as well as assembly lines, all of these enable us constantly to supply customers with superior quality products and satisfying services.
products and services: 1. Battery pack management system, our bms/pcm are well applied to battery packs of li-ion battery, li-co battery, li-mn battery and li-iron (lifepo4) battery. Perfectly designed and aimed to each different use and the unique specifications of li-battery packs, with the function of over charge, over discharge, over current, over heat, short circuit protection, and voltage balancing in the late period of charging to ensure the safe operation of battery pack, and prolong its cycle life.
2. Chargers for rechargeable battery pack, to strengthen the application of li-battery packs, our company develops and produces various li-ion charger, solar-power chargers, mobile standby power chargers, and other power related products.
3. Intelligent battery capacity display modules, to better monitor the battery status, we developed several series pcms supporting smbus and 1-wire protocol communication.
4. Services, obm original brand manufacturing; odm original design manufacturing; oem original equipment manufacturing, ems electronics contract manufacturing service. Innovative engineers, experienced staff members, modern equipments, strict management and strong responsibility make us offering reliable products at competitive prices and also the best service to meet customer?s needs. If you are interested in our company, please don?t hesitate to contact us, and get the news of our latest products. You are welcome to visit our website at www.zf66.com/english/index.asp
products features：
1，low consumption , strong ability with load
2，high-precision voltage , current detection
3，overcharge protection , discharge low consumption , strong ability with 4，load
4，over current protection ,short circuit protection
battery pack balanced
5，simple structure , safe , convenient , modular assembly, easy to update and maintenance .
6，include charging management system , can realize the power supply without gap switch .
specifications parameter
overcharge protection(single) typ. 4.250v±0.025v
over-charged recovery voltage (single) typ. 4.15v±0.050v
over discharge protection voltage(single) typ. 2.80v±0.08v
over discharge
protection recovery voltage(single) typ. 3.00v±0.10v
over-current protection value typ. 20a
short circuit protection effective
d1show voltage typ.19.0v
d2 show voltage typ.23.7v
d2 show voltage typ.29.4v
charging current max 4a
battery discharge current max.6a
built-in battery structure seven in series ,four in parallel
battery specification 2200mah, 18650 lithium battery
capacity of battery pack 6.6ah
size 168.2mm*164.7mm*267.9mm
applicable temperature －10℃――50℃