E Battery Charger can parallel, it is a highly efficient charger for E40, E80, and E175 batteries.
E Battery Charger 20A
Max output current (110V): appx. 20A
Max input current (110V): 12A
Parallel connection: max 8 units
E Battery Charger 30A
Max output current (220V): 30A
Max input current (220V): 9A
Parallel connection: max 8 units
Part Numbers:
20A/110V: EC-0020-11
30A/220V: EC-0030-20