This battery charge MCP73113-16SI/MF charge controller from Microchip Technology is made up of integrated circuits that perform functions to help keep your batteries running smoothly. Its output produces a current of 60 to 1000 mA. With an output that has a voltage of 4.1 V, this is power management at its best. In order to ensure parts aren"t damaged by bulk packaging, this product comes in tube packaging to add a little more protection by storing the loose parts in an outer tube. This device runs on Li-Ion|Li-Pol. This device has a minimum operating supply voltage of 4.2 V and a maximum of 6.5 V. This battery gauge has a minimum operating temperature of -40 °C and a maximum of 85 °C.