GENIUS2: 2A 6V/12V Smart Battery Charger – Automatic Maintainer, Trickle Charger

Proudly designed in the USA. 6V AGM Mode ✘ ✘ ✘ ✔ ✘. 12V Repair Mode ✘ ✘ ✔ ✔ ✘. Battery Capacity 40AH 30Ah 120Ah 230Ah 40Ah.

eBay