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

Product Information Accessory Type: MP2636 Power Booster & Charger Module For Use With: Lithium Batteries Product Range: - Product Overview MP2636 power booster & charger module is highly-integrated, flexible switch-mode battery charger with system power path management, designed for single-cell Liion or Li-Polymer batteries used in a wide range of portable applications. It is really simple to use, once you plug a lipo battery, it will work like a power bank. When there is an external power supply from VIN, it will charge the battery automatically, and the CHG led will light up; when there is no external power, only battery on battery port, the Boost will be ON. Charge mode input voltage (VIN): 4.5-6.0V Boost mode output voltage (VOUT): 5V Suitable 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: 2.5A Switching frequency of 600KHz Charging mode efficiency 90% Boost mode efficiency: 90% Support battery overcharge protection Temperature protection: more than 150⁰C, automatic power failure Size: 35 x 30mm/ 1.38 x 1.18inches