EBL BL-5L 3800mAh Li-ion Extended Battery Two-Way Radio Batteries for Baofeng UV 5R UV-5R Ultra compatible with Baofeng UV-5R UV-5RE Radio, work well as original one. High quality replacemenet battery, a good choice for your devices No Memory effect, you can use it any time and no need to discharge it fully then start to use. Safety Ensured, effectively protection Over-charge, over-discharge, over-heat, over-current and amp; short-circuit protection. 100 percent customer services , 30 days worry-free money back with One Year limited warranty.