This battery eliminator assures your RH-5R radio will always have power when needed. This battery eliminator is great for those long trips on the road, or a week long trail event where a AC outlet is not close. Simply swap this battery eliminator for the battery, plug it into a cigarette lighter in your car, and you're ready to go! Whether your battery drains or whether you simply want to conserve your battery, the new RH-5R battery eliminator is must have accessory. Always have communications when you need it!