4
5
EN
Features
NO.
Name
Descriptions
2
3
4
5
Solid Blue LED indicates the charger is in Standby Mode:
not charging or providing any power to the battery.
Indicates the connected battery’s SOC (State of Charge).
Indicates the Charge Mode.
1
Solid Red LED indicates a potential error has happened.
Press it twice to select the mode.
Press it once to start charging after the selection.
Mode Button
Compatibility
Notice
TOPDON T4A is compatible with 6V & 12V lead-acid and lithium-ion batteries.
This Product Manual is subject to change without written notice.
Read the instructions carefully and use the unit properly before operating. Failure to do so may
cause damage and/or personal injury, which will void the product warranty.