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350 new product li-polymer battery case products are offered for sale by suppliers on Alibaba.com, of which battery cases accounts for 11%. A wide variety of new product li-polymer battery case options are available to you, such as protection, quick charge support and fast charger.You can also choose from portable, fast charging and quick charge support new product li-polymer battery case,as well as from over-charging, short circuit, and over-discharging new product li-polymer battery case, and whether new product li-polymer battery case is type c, double usb, or usb/dc.