ACR RB16V Rechargable Lithium Battery For SR303

he RB16V is a rechargeable Lithium-Ion battery intended for everyday use of the SR303 radio. This battery is not included when the SR303 is purchased as an Emergency Radio (p/n 4586). When the SR303 is purchased as an Emergency Radio Full Kit (p/n 4587), then the RB16V rechargeable battery is included along with the LB15V primary non-rechargeable battery. The RB16V is not included when the SR303 radio is purchased as an Emergency Radio (p/n 4586).