40Amp DC to DC Battery Charger - Purposefully designed to accurately and safely charge auxiliary batteries， the Wagan Tech DC to DC Charger series ensures your batteries are kept at optimum performance levels that will enhance performance and extend their lifespan. Our charger can be used with standard and Smart Alternator systems and is perfect for use with solar systems and those choosing not to utilize solar charging. Our Intelligent 3-stage charging uses a high speed microcontroller and a proprietary charging algorithm to deliver a sophisticated 3 stage charging process.

Intelligent 3-stage charging

Works with Standard， Gel， AGM， LiFePo4， and other battery types

Automatic safety features built-in

Mppt solar charge controller

Works with new smart alternator-equipped vehicles

For systems with and without solar panels

Maximum input current: 45 Amps

Maximum output current: 40Amp

DC input range: 9-Volt to 32-Volt DC