Premium quality battery compatible with MFNB-57H two way radio. This MFNB-57H radio battery is compatible with the original equipment. Designed for reliable performance and high durability, it is guaranteed to maintain 80% of its rated capacity for 12 months from the date of shipment.This battery is compatible with:Yaesu/ Vertex/ Standard: FT60 HX270S HX370S HX500S HX600S VX110 VX120 VX127 VX130 VX131 VX132 VX150 VX160 VX170 VX177 VX180 VX188 VX210 VX240 VX246 VX400 VX410 VX414 VX417 VX420 VX424 VX427 VX428 VXA150 VXA170 VXA200 VXA210 VXA220 VXA300 VXA301 VXA410 VXA420Replacement P/N:AAG40X021 FNB19 FNB21 FNB21S FNB43S FNB45S FNB57 FNB57A FNB57H FNBV57 FNBV57A FNBV57H FNBV57LI FNBV88 MFNB57 OS36221 OS36245 OS36257 OS36264 BP362571 BP36257MHXT BZ57 EPPFNB57 EXFNB57 GTSY57C HFNB57CBattery features:*Uses the highest quality graded and sorted A' Grade cells.*Has resistance welded gold plated contacts for maximum performance.*Provides excellent discharge characteristics.*Uses high impact ABS and Polycarbonate plastic housings for ruggedness.*Undergone comprehensive testing including high altitude performance, vibration, mechanical shock, thermal cycling, external short circuit and overcharge test simulations.*Includes a 12 Months free replacement warranty for manufacturers defects.We provide premium quality batteries, manufactured by ISO 9001 certified plants using state-of-the-art technology for the finest quality radio batteries. Each radio battery is tested throughout the manufacturing process to match or outperform the original equipments specifications for form, fit and workmanship.