SUNDELY&reg; 2700 mAh Li-ion Replacement Battery + Smart Charger Combo For Standard Horizon Radios AT200 C150 C450 C520 C628A HX460 Replacement Lithium-Ion Battery + Smart Charger Combo For Standard Horizon Radios Battery: 2700 mAh, 7.4 V, Lithium-Ion Battery Charger: Input Voltage 100-240V AC, 50/60Hz, Output Voltage 8.4V AT200, AT201, AT400, AT401, C150, C158A, C228A, C450, C520, C528, C528A, C550, C558, C558A, C628A HX190, HX260, HX268, HX460