Cheap And Discounts BL-M4 BAOFENG Walkie Talkie BF-M4 Original Li-ion Battery 5800mAh DC3.7V Extra Replacement Battery for BFM4 Tow Way Radios Parts Wholesale. Buy Directly From Merchant Shop1103609081 Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.