What size is the charger on the BatteryPlus35-II? BMPRO Customer Support January 21, 2022 04:58 Updated The BatteryPlus35-II-SI and BatteryPlus35-II-SR have a 20A charger. The BatteryPlus35-II-HA has a 30A charger. Related articles Is there a limit to the size of battery I can use with my BatteryPlus35? Does the BatteryPlus35-II serve as a DC-DC charger? Why is the solar output from my BatteryPlus35-II lower than expected? How do I configure my BatteryPlus35-II-HA to work with lithium batteries? What type of lithium battery is best for the BatteryPlus35-II-HA? Comments 0 comments Please sign in to leave a comment.