How To Install An Onboard Battery Charger. The charger I installed has a maximum output of 20 amps so the fuse that I chose was the next size up a 25-amp. Connect the charger to the wall.

Im installing a NOCO Genius GEN5X3 3- bank 15 amp onboard battery charger on my Ranger 330-V bass boat. If youd like a 36V48V Onboard Charger with more amperage amps heres a High Amperage 24V36V48V Onboard. Not for 4D and 8D large capacity batteries.
The first step is to disconnect the POSITIVE leads from both batteries and to check the water level.
Installation of the kit makes the vehicle wiring compatible with a Lester Electrical battery charger that is designed for stand-alone use without an OBC. You can see the location on these pictures. Installing The NOCO Genius 3. The wires are terminated with.
