Bigstone 12V Kenwood Car Charger Eliminator Adaptor for TK3107 TK378 TK378G K278 K388 Radio Product Type: DFGG 12V KenWood Car charger Eliminator Adaptor Convenient, durable, This item is a Car Radio Battery Adaptor Convenient for you to use your radio in car Compatible with TK3107 TK378 TK378G K278 K388 Radio Suitable for long trip driving using Kindly Note: It's battery eliminator, not real battery