This is the 30A ePowerBox Switching Power Supply from Hitec. FEATURES: Dual port 30A 540W high output power supply with variable voltage supports up to 9S LiPo battery chargers Dual USB ports supply 5V DC at up to 1000mAh-ideal for MP3 players, mobile phones and digital cameras Binding post/bullet banana plug ports Integrated LCD voltage and amp display Built-in temperature, circuit, and overload protection Variable speed cooling fan One year limited warranty through Hitec beginning at date of purchase INCLUDES: 30A ePowerBox Switching Power Supply with AC Power Supply Cord with 3-prong Plug (110V North America standard), Instruction Sheet SPECS: Input Voltage: 100-240V AC Input AC Frequency: 50-60Hz Output Voltage: 12-18V DC Output Current: 30A @ 12V DC/540W max Current Overload Protection: 0.98 Over Temperature Protection: <65°C (149°F) Operating Humidity: 0-90% jxs 02/12/13 ir/jxs