How To Use
1. Before Getting Started
Please read the battery manufacturer's specific precautions carefully and have the recom-
mended rates of charge for the battery before using.
Make sure to determine the voltage and chemistry of the battery, found by referring to the
battery's user manual before charging.
2. Charging Modes
TOPDON T4A offers 8 charging modes: Standby, 12V Norm, 12V Cold/AGM, 12V Norm (Small),
12V Cold/AGM (Small), 6V Norm, 12V Lithium, and 12V Repair & Engine Pulse Charging.
*Note: Always check with the battery manufacturer to confirm the right charging mode for
your specific battery before operating. It is important to understand the differences and
purpose of each charging mode:
6
Mode
• Not charging or providing any power to the battery.
• Energy Save is activated, drawing microscopic power from the
Standby
electrical outlet.
• Blue LED will illuminate.
• For charging 12-volt Wet Cell, Gel Cell, Enhanced Flooded,
12V Norm
Maintenance-Free batteries.
• White LED will illuminate.
• For charging 12-volt batteries in cold temperatures below
12V Cold/AGM
14ºF (-10ºC) or AGM batteries.
• White LED will illuminate.
• For charging 12-volt Wet Cell, Gel Cell, Enhanced Flooded,
12V Norm
Maintenance-Free batteries.
(Small)
• For batteries with small capacity.
• White LED will illuminate.
Explanation
7