The Optima Chargers Digital 400 12V Performance Maintainer and Battery Charger automatically maximizes battery life and performance with a built-in battery health mode. It also offers a hybrid LED battery charging gauge with LCD screen and a quick-set battery type selection for easy operation. And because it recovers discharged batteries that others cannot, this is the maintainer that is a must have in your garage.
Automatically maximizes battery life and performance with a built-in battery health mode
Hybrid LED battery charging gauge with LCD display
Dual purpose hook and tilt stand design or hang it with the included wall organizer bracket
Works well as a marine battery charger, motorcycle battery charger, or other AGM battery charger.
Spark-free connection technology
Recovers discharged batteries other chargers cannot, down to 1.25V
optima 400 battery charger unboxing and mini review
Testing out optima's charger on yellow top battery that I tried charging with NOCO genius charger and it would not charge past 12.3v... can Optima do Better?
OPTIMA Digital 400 Maintainer & Digital 1200 Charger
Need more charge? Watch this video to learn how to get the best charge on your battery using OPTIMA Batteries Digital 1200 and 400 chargers. Shop for ...
OPTIMA Digital 400 charger first time usage
Please note, I purchased this charger through Amazon, it was not provided to me. First usage and testing of the OPTIMA Digital 400 charger for my Yellow top ...
Optima digital 400 charger
My honest review of my first time using the optima digital 400 battery charger on a yellow top battery.