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.
Features
Maximize battery life and performance with OPTIMA batteries’ built-in battery health mode
Hybrid LED battery-charging gauge with LCD display
Hook it and tilt it with the dual-purpose stand design or hang it with included wall organizer bracket
4 amp max
OPTIMA YELLOWTOP® CHARGING INFORMATION
The following charging methods are recommended to ensure a long battery life. Always use a voltage-regulated charger, with voltage limits set as described below.
YELLOWTOP Type: D51 & D51R - D35 – DS46B24R - D75/25 - D34 – D34/78 - D27F - H6 - H7
These batteries are dual-purpose. They are designed for engine start and cyclic applications and for use in vehicles with large accessory loads.
Recommended charging information:
Alternator:
13.65 to 15.0 volts, no amperage limit.
Cyclic Applications:
14.7 volts, no current limit as long as battery temperature remains below 125°F (51.7°C). When current falls below one amp, finish with two-amp constant current for one hour.
Rapid Recharge:
Maximum voltage 15.6 volts (regulated), no current limit as long as battery temperature remains below 125°F (51.7°C). Charge until current drops below one amp.