Batteryminder Vpp-12

this 3-way charger maintainer Andy sulfate er from battery minder extends the life and performance of older 12-volt batteries it's a convertible unit so you don't have to buy two units for two locations it easily connects to an under the hood battery but also easily unclips from its own bracket to mount it on another automobile RV boat or ATV once installed you never need to undo or reinstall the electrical connectors to use it on a different battery the automatic high and low temperature compensating system is guaranteed to never under or over charge your batteries no matter how long they're left connected and regardless of the operating temperature and it features the seven true stages of charging for excellent performance it includes a ring terminal assembly for permanent direct to battery attachment and two brackets for quick mounting and easy interchangeable use between two areas i