This adapter connects to a universal NATO receptacle to access a military vehicle’s 28 VDC power source. This adapter can be connected directly to the MBP-1307 Li-Ion Battery for recharging and can also be connected to any MBP-5200 or MBP-5600 Series Charger for recharging MBP-1207 NiCad Batteries or directly powering the searchlight (MBP-5600 Series Chargers only).