High Voltage

The battery voltage is too high for the selected charge mode. Check the battery and charge mode.

Bad Battery

There is a possible battery short or the battery will not hold a charge. Have the battery checked by a professional.

Reverse Polarity

Charger is connected to the battery in reverse. Reverse the connections.

Standby Mode

The charger is in standby mode or the battery voltage is too low for the charger to detect.

Temperature

All Error LED’s will flash. Internal / external temperature is too high / low. Charger will resume once the temperature is back within operating limits.

12V Mode

Used for 12V wet cell, gel, enhanced flooded, maintenance- free, & calcium batteries.

12V AGM Mode

Used for 12V AGM batteries.

12V Lithium Mode

Used for 12V lithium- ion batteries (including lithium iron phosphate). Only for batteries with Battery Management Systems (BMS).

6V Mode

Used for 6V wet cell, gel, enhanced flooded, maintenance-free, & calcium batteries.

Force Mode

Used to charge batteries below 1V. All charge mode LED’s will flash and the selected mode will illuminate.

25% Charged

Pulsing Red 25% - The battery is less than 25% charged.

50% Charged

Pulsing Red 50% - The battery is less than 50% charged.

75% Charged

Pulsing Orange - The battery is less than 75% charged.

100% Charged

Pulsing Green - Bulk Charge complete, optimizing battery for extended life.

Maintenance

Slow Pulsing Green - After the battery is fully charged, the charger will continue to provide ongoing maintenance and optimization until disconnected.