18650 Battery Holder with Single Compartment Support USB 5V/2A 3V/1A V3 Battery Shield Battery Charging Module for Raspberry Pi

Support 3V / 1A and 5V / 2.2A two voltage output!The mobile power supply has a built-in protection IC with over-current, over-voltage, under-voltage and over-temperature protection.Micro USB charging current is 600mA-800mA.The operating temperature of 18650 module is -20℃ to 70℃, and the conversion efficiency is up to 95%.18650 Battery Shield Micro USB 5V/3A 3V/1A Power Charging Module for Raspberry Pi and Arduino ESP32Product Parameter:This mobile power built-in lithium battery protection IC, with over-current, over-voltage, under-voltage and over-temperature protection1.5A charging 3A discharging highly integrated mobile power ICMain board size: 100mm29mm/100mm * 48mm /100mm91mmInput port: Micro USBInput Requirements: 5V constant voltage power supply can be done charging power input, matching charger 5V1A or aboveOutput port: USB or expansion portOutput parameters 5V/3A or 3V/1AConversion efficiency up to 95% (high conversion rate)Operating temperature: -20 ℃ ~ 70 ℃/-4℉ ~ 158℉Operation instructions:1.Click to power on2. key press three shutdown / (non-automatic shutdown mode)3.charging power display instructions: 100% (five LEDs are fully illuminated) 80-99% (D5 is blinking) 60-80% (D4 is blinking) 40-60% (D3 is blinking) 20-40% (D2 is blinking) 0-20% (D1 is blinking)4.discharge power display instructions: 80-100% (five LEDs are fully lit) 60-80% (D5 lights out) 40-60% (D4, D5 lights out) 20-40% (D3, D4,D5 extinguished) 5-20% (D2, D3, D4, D5 extinguished) 1-5% (D1 is flashing) 0% (all extinguished)5.Intelligent input and output, do not have to worry about charging time is too long, free from the user's worriesPackage Inculde:1PCS ESP32 18650 Battery 1/2/4-holder(please choose the model and quantity you need,we will send the goods according to your choice.)