// https://ajax.systems/products/6vpsu/ Compatibility: Hub 2 and Hub 2 Plus Recommended batteries: Zinc air and alkaline batteries with 4.2-16 V operating power Input voltage: 4.2-16 V Output voltage: 4.8 V ± 5% Switch-on voltage: 4.2 V ± 2.5% Switch-off voltage: 3-3.4 V (depending on the load) Maximum input current: 2.2 A at 4.2 V; 0.5 A at 16 V Maximum output current: 1.5 A Plugging in: Plug socket: 6.5 x 2 mm; Plug: 5.5 x 2.1 mm Operating temperatures range: From -10°С to +40°С Operating humidity: Up to 75%