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Why are the OPTIMA® chargers different or better than others?

Charging OPTIMA® Batteries Compare OPTIMA® Chargers Digital 400 vs. Digital 1200 Are the OPTIMA® Chargers and Maintainer easy to use? Why are the OPTIMA® chargers different or better than others? What is the OPTIMA® Chargers Digital 1200 12V Performance Battery Charger and Maintainer? Benefits of the OPTIMA® Chargers Digital 400 and Digital 1200 12V Performance Battery Charger and Maintainer Are OPTIMA® Chargers Mandatory for OPTIMA Batteries? What batteries can I use with the OPTIMA® Chargers Digital 400 and Digital 1200 12V Performance Battery Charger and Maintainer? Can the OPTIMA® Chargers Digital 1200 12V Performance Battery Charger and Maintainer charge anything else besides batteries? Charging Your AGM Battery How to Resuscitate a Deeply Discharged AGM Battery Recommended Battery Voltage Do I need a special charger for my OPTIMA® battery? What does "multistage charging" mean?
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As a division of the world's largest battery manufacturer, OPTIMA is able to leverage significant engineering resources and data to develop a superior battery-charging algorithm. This algorithm allows the OPTIMA Chargers Digital 400 and Digital 1200 12V Performance Battery Charger and Maintainer to charge batteries faster than most battery chargers of similar size, and to charge faster than chargers with up to twice the current (amps) output. The safety of OPTIMA chargers is also class-leading, with reverse polarity protection, spark-free connections and over-temperature protection. The OPTIMA Chargers Digital 400 and Digital 1200 12V Performance Battery Charger and Maintainer will safely charge and maintain your battery even during long-term storage with automatic restart in the event of power disruption or temperature-compensated charging. There are several innovative features to prevent overcharge, even in the event of battery failure. Finally, several unique and innovative features have been included, such as a backlit LCD display, a USB charging port for phones and other devices (on the Digital 1200 only), integrated power cord and charging clamp storage and an integrated work light on the charging clamp (on the Digital 1200 only).