Bycan PS-2850 28-Volt Power Supply/Battery Charger
Don't keep your passengers waiting for you to start up your aircraft. Use this high performance 28-volt power supply and battery charger from Bycan (model PS-2850). This 28V DC power supply for aircraft and battery charger is easy to connect and use, and it's available for Piper and Cessna aircraft using a 115-volt supply in addition to ordinary Piper units. The complete set includes the ramp power supply and battery charger, or you can just purchase the power supply on its own.
Read the Bycan PS-2850 Product Information Page.