Diymore 1865O Battery Holder Four Li Ion V9 Battery Shield Micro Usb 5V/3A 3V/1A Power Bank Battery Charging Module(4 Holders)

Product Parameters Size: 99.16Mm*29.28Mm*21Mm(L*W*H) Input Port: Micro Usb Input Requirements: 5V Constant Voltage Power Supply Can Be Done Charging Power Input, Matching Charger 5V1A Or Above Output Port: Usb Or Expansion Port Output Parameters 5V/3A Or 3V/1A Conversion Efficiency Up To 95% (High Conversion Rate) Operating Temperature: -20 ? ~ 70 ? Operating Instructions 1. Click To Turn On The Machine. 2. Press The Key Three Times To Shut Down. 3.5-Level Led Light Shows The Power Level, The Default Power On Has Been In The Working State, You Need To Manually Shut Down (If You Need To Change To The Non-Working State Automatic Shutdown Mode, Only Need To Flip The Toggle Switch To The Non-Working State Automatic Shutdown Mode). 4. Charging Power Display: 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). 5. Discharge Power Display: 80-100% (Five Leds Are Fully Lit) 60-80% (D5 Lights Out) 40-60% (D4, D5 Lights Out) 20-40% (D3, D4, D5 Lights Out) 5-20% (D2, D3, D4, D5 Lights Out) 1-5% (D1 Is Blinking) 0% (All Out). 6. Intelligent Input And Output, Do Not Have To Worry About Charging Time Is Too Long, Free Of User Worries.