AYAA TECHNOLOGY CO.,LTD.,found in 2006,is professional supplier of PCM/BMS , Li-polymer/Li-ion/Lifepo4 battery pack,charger and power supply.Since established,we have successfully designed and produced more than 500 types of professional PCM/BMS to battery pack including over 100 models of Lifepo4 battery pack PCM,and 10 models of them with SMBUS,CANBUS.These high quality PCM matched with the high power battery pack are widely used in the digital products,wheel chair,E-bike,RC toys (helicopter,boats),medical instruments,lighting devices.etc.