DFRobot (DFR0446) Evaluation Board, Charger Module, 4.5 V to 6 V Supply

Product InformationAccessory Type: MP2636 Power Booster & Charger ModuleFor Use With: Lithium BatteriesProduct Range: -Product OverviewMP2636 power booster & charger module is highly-integrated, flexible switch-modebattery charger with system power path management, designed for single-cellLiion or Li-Polymer batteries used in a wide range of portable applications. Itis really simple to use, once you plug a lipo battery, it will work like a powerbank. When there is an external power supply from VIN, it will charge thebattery automatically, and the CHG led will light up; when there is no externalpower, only battery on battery port, the Boost will be ON.Charge mode input voltage (VIN): 4.5-6.0VBoost mode output voltage (VOUT): 5VSuitable for battery voltage: 4.2V (3.7V lithium battery full of 4.2V)Charge mode maximum charge current: 2.5A, boost mode maximum output current:2.5ASwitching frequency of 600KHzCharging mode efficiency 90%Boost mode efficiency: 90%Support battery overcharge protectionTemperature protection: more than 150 C, automatic power failureSize: 35 x 30mm/ 1.38 x 1.18inches