This is the Align 600 Carbon Night Blade Charger.

This charger can be operated from both AC wall power or a 5-12VDC battery for recharging your blades at the field. It offers low voltage pre-charging,

Short circuit protection, Constant current and Constant voltage charging modes and dual LED indicators lights for displaying battery status.

Package includes one charger, one AC switching power adaptor and one DC power switcher.

NOTE: This charger cannot be used with the 325mm Night Blades, as the higher charge rate may result in battery damage!