12V Battery Maintainer Digital 200+ FREE SHIPPING
- Charges lithium, AGM & flooded 12V motorcycle batteries with ease & maintains 12V batteries of all sizes.
- Dual-function LED light battery gauge for easy-to-read pre-charge battery testing & in-progress charging.
- Energy-saving auto maintain mode for long-term or seasonal storage.
- Spark-free connectivity.
- Reverse polarity protection.
- Over-temperature protection.
- 2-amp charge rate.
- Weatherproof construction & integrated cable management wrap.
- Dual-use design for portable or wall-mounted use.
- Illuminated pre-charge status bar that functions even when the maintainer is not plugged in.
- Fully-automatic for 12V automotive, motorcycle, marine, tractor, RV and powersports battery maintenance.
- Enhances battery performance & maximizes lifespan.
- Includes clamps, ring terminal & OPTIMA® POWERLINK™ connections.
- Three-year, free-replacement warranty.
- Read more in the Owner’s Manual

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DIGITAL 400
12V PERFORMANCE CHARGER and BATTERY MAINTAINER
Looking for a car, marine, motorcycle, or other AGM battery charger? 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.