... Over charge and discharge protectSpecifications:*Internal battery type: 3.7V Lithium battery*Capacity: 6800mAh*Input: 5V-500mAh ... Moto, Samsung, Sony Eriksson etc), digital products charging 3. High standard safety protection design, including discharger, overload, ... ,FCC , RoHS ,UN38.3, and MSDSMain application: MP3, MP4 player, portable DVD, Notebook, Bluetooth Professional R D TeamStringent Quality ...