The ability to configure battery chemistry is available only if the Trek is in use with the BatteryPlus35-HA or BatteryPlus35-II-HA, which are capable of charging both lead acid and LiFePO4 type batteries.
By default, the BatteryPlus35-HA and BatteryPlus35-II-HA are configured to charge lead acid batteries. This can be changed with the Trek monitor.
To configure the BatteryPlus35-HA or BatteryPlus35-II-HA to charge LiFePO4 batteries with the Trek monitor:
- Enter Set-Up mode by holding the HOME button down until Set-Up is seen on the
- Navigate to the ADVANC menu function.
- Navigate to the BATCHM menu function.
- Follow the directions in the below image to configure the battery chemistry: