BIRUGEAR Premium Rapid Car Charger Vehicle Power Adapter with Blue LED for Garmin nuvi 54 / nuvi 54LM Brand new BIRUGEAR Car charger. Vehicle Lighter Adaptor. (12~24v DC) Short circuit protection.LED charging indication. Plug never heats or overcharges the battery. Can Charge Ni-Mh, Ni-cd and Li-Ion Battery. Intelligent IC chip inside recognizes a full battery and automatically switch to a saver.