OPTIMA Digital 400 12V Performance Maintainer and Charger

Maximize the performance and longevity of your OPTIMA AGM and traditional batteries 

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Your selection is out of Stock

  • (Currently Unavailable)


The OPTIMA Digital 400 12V Performance Maintainer and Charger delivers OPTIMA charger quality in a convenient and easy-to-use unit. The OPTIMA Chargers Digital 400 can maximize the life and performance of your traditional or AGM battery with it’s built-in battery health mode. 

This charger is undergoing a major evolution/redesign, and not expected to be back in stock until sometime in 2023. While we're bummed we can't ship this specific model, we're excited at the new line of high-end battery chargers / maintainers coming. You can use our "notify me" feature, and when the new version is released, we'll email you an update. 

The compact design of the OPTIMA Digital 400 12V charger/maintainer makes it small enough to tuck away, and it comes with a convenient wall organizer bracket for easy mounting just about anywhere. The hybrid LED battery charging gauge has an LCD screen, so it’s easy to read, and the quick-set battery type selector makes it incredibly simple to use.

OPTIMA Digital 400 12V Performance Charger Benefits:
  • Built-in battery health mode to maximize battery life and performance
  • Recovers discharged batteries other chargers cannot
  • Hybrid LED battery charging gauge with LCD display
  • Dual-purpose hook and tilt stand
  • Includes wall organizer bracket
  • Integrated cable management and cord wrap
  • Quick-set battery type selection for easy operation
  • Interchangeable battery clamps and ring terminals
  • Spark-free connection technology
  • Reverse polarity and over-temperature protection
  • Ambient air temperature compensation during charging
  • Pre-charge battery status display mode
  • Can also be used as a marine battery charger, motorcycle battery charger, or other AGM battery charger
  • Float Mode
  • Low AC input compensation
  • Pulse conditioning
  • Reverse polarity protection
  • Short circuit protection
  • Thermal protection
  • 6-ft AC cord length
  • 6-ft battery connection cable
  • 4-amp battery clamp amperage rating
  • 4-amp charger output rating
  • 120-VAC input voltage
  • .75-amp input amperage
  • 4-amp maximum charging amperage
  • Weather Resistant
Sales are restricted to the USA only.
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