The AR3700 Series is a range of programmable DC electronic loads manufactured by SMT Max which is designed to conveniently test batteries and DC power supplies. It is controlled using its integrated backlight LCD, numerical keypad, and rotary knob and can save up to 10 steps. The series can be configured using a PC or connected in parallel and is also offered in constant current (CC), constant resistance (CR), and constant power mode (CP). It is also protected against over voltage, over current, over power, over temperature, and polarity. Furthermore, AR3700 is a suitable tool for design, test, and manufacturing various products.