18650 Lithium Battery Shield V9 Mobile Power Cases 4X 18650 Battery Holder

Feature: Input overvoltage protection, output overcurrent/short circuit protection, charging timeout/overvoltage protection Output current up to 3A, efficiency up to 95% With LED identification percentage electricity metering Parameter: This power supply has a built-in lithium battery protection IC with overcurrent, overvoltage, undervoltage, etc. USB port output and mobile power board have extended port 3V and 5V output ports to facilitate customer needs and use, greatly reducing the problem of fewer ports The 4-level LED light shows the power. The default power-on is always working. It needs to be manually turned off. (If you need to change to the non-working state automatic shutdown mode, just cut the middle line of the “NC” bit or remove the “ROUT” resistor. can) 1.8A charging 3A discharge high integration mobile power IC Motherboard size: 99.98 * 96.24 * 21mm (L*W*H) Input port: MICRO USB, type-C, wide voltage, up to 6.5V input Input requirements: 5V constant voltage power supply can be used as charging power input, matching charger 5V1A or above Output port: USB or expansion port Output parameter 5V/3A or 3V/1A Conversion efficiency up to 95% (high conversion rate) Working temperature: -20 -70 °C Usage Instruction: Click to boot Long pre the on to shut down 4 way LED power status indication, automatically turn off the lights after 3 seconds, the battery is le than 3V alarm 6 under protection, le than 2.4 V full stop, no action Battery current is as low as 3μA after standby Intelligent input and output, don't worry about charging time is too long Application: Power Other battery powered devices Precaution: Do not reverse the positive and negative, human factors cause damage at your own risk, do not reverse The battery voltage works normally at 3.2V-4.2V. Do not connect the batteries in series. The series connection will increase the voltage. If the battery capacity is increased, the battery can be connected in parallel. Do not connect in series. When the battery is reinstalled, the ch may detect the power-off protection mechanism. It needs to be recharged and activated. This is normal! Package Included: 1 x 18650 Lithium Battery Shield V9 Mobile Power Expansion Board Module 5V/3A 3V/1A Micro USB Type-C USB For ESP32 ESP8266

About shping
Shping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

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