Cheap And Discounts 3.7V 250mAh 402530 042530 Lipo Polymer Lithium Rechargeable Li-ion Battery Cells For MP3 Bluetooth Speaker GPS PDA Powerbank Wholesale. Buy Directly From Merchant Battery Market Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.