1 Replace old, broken, scratched, discolored or dirty parts 2 Protector safely with bubble bags 3 Easy to install 4 Original Specification High-capacity, safe and reliable, stable performance, long standby time.Built-in PCM triple protection, prevent to over-charge, over-put, over-current. Built-in valve prevent the core form explosion, make sure the battery safe.More than 500 times the recharge ...