These SLA chargers are fully automatic. When the batteryis charged, the charger automatically switches to trickle charge and a green LED will show this. A red LED is lit when there is normal charging. Virtually any SLA battery can be charged but the higher the battery size, the longer the charge.
Features:
* Short circuit and wrongpolarity prevention
* Constant charging current
* No charge with wrong polarity connection
* No voltage at alligator clips until battery is connected.
* Will not charge a totally flat battery i.e. zero volts
* Energy Authority Approved.
Approval Number: N19029