Charger for Mesa 3 removable battery allows you to charge a spare battery separately from the Mesa 3. 12VDC input. LED indicator for charging status. The M3 Removable Battery Charger does not include a wall charger but can be used with the Mesa 3 30 W Universal AC Power Supply Kit (28535), 45W Universal AC Power Supply Kit (26915), or 12 VDC Vehicle Charger Cable (12517).