Powerwin lithium ion, polymer lithium-ion batteries have a design capacity of *0mAh*****0mAh in single, the thickness are between1mm and *0mm, mainly include cylindrical, square, button batteries. According to UL, CE and other safety certification standards, we have done experiment OF collision, overcharge, short circuit, nail penetrating and burning, to make sure that even in some conditions of improper using, the batteries can be used safely.

tell me your detail requirement for your battery.my email * *@********************y skype is kathy.powerwin