Originally Posted by kcobra

All that MaxAmps power supply consist of is two server power supplies wired in series. Huge safety measures they bypassed in order to wire the two supplies in series. Fine if a individual does it but pure crap (IMO) that a company does it.

Anyways, point is moot as your charger only accepts up to 18v DC input. Pick up one of the following 12v/900w server power supplies:

http://www.ebay.com/itm/364360-001-H...item5aeb8a64ec

Huge thread on RC groups of how to wire it up for RC use.