This is the TrakPower 12V 25 Amp Power Supply. FEATURES: Delivers up to 25 amps while maintaining a smooth, clean 12 volts DC on the output Two sets of 4mm banana output jacks for easy connection of multiple devices Terminal block adapter with fused color coded terminals for easy connection of devices with large alligator clips Built-in current limiter automatically prevents damage from accidental overloads Durable lightweight aluminum case Short circuit protection Two built-in rear mounted cooling fans Face mounted power switch with LED indicator One year limited warranty beginning at date of purchase (USA and Canada only) INCLUDES: Trakpower 25 Amp Power Supply with Instruction Sheet and Terminal Block Adapter with Banana Plugs REQUIRES: Connecting charger or other device requiring DC power SPECS: Input Voltage: 110-120V 60Hz, 3-prong U.S. power cord DC Output Voltage: 11-15 volts, adjustable DC Output Current: 25 amps maximum Max. Rated Power: 300W Power Control: Rocker switch with LED indicator Cooling: Twin rear mounted fans Output Connections: Two sets 4mm banana jacks w/detachable terminal hook Overload Protection: 25 amp solid-state current limiter Case Size: 5.5" x 7.2" x 2.5" (140 x 182 x 64mm) Weight: 49 oz. (1375g) Approvals: RoHS COMMENTS: One of the cooling fans runs constantly, the other only runs under a load. jxs 12/15/08 ir/jxs