5V Boost Step Up Power Supply Module

Product Description 100% Brand new and high quality 5V 1A boost power Module lithium battery charging board The use of welding Note B positive and B-negative can not be reversed 18650 battery Charging board size : 22*17*11mm Input : 5V 1A (charging red light) Output : 5V 1.2A (please do not take longer than 1200mA current device) Lithium voltage : 3V- 4.3V Charging Interface : Micro USB Available for various batteries like Polymer ,18650 Lithium ,Cell Phone ,Tablet and MP3 Battery The step up charging board can be connected to a lithium battery and connected in multiple sections of lithium batteries, as long as the voltage is 3.7-4.2V in parallel(only be connected in parallel, not in series) Charging instruction : The red light flashes while charging. Red light is always on, charging is complete it has protection functions, protect from over-charger / over-discharger/ over-load ( support charger and discharger at the same time ) Built-in charge and discharge power MOS; The existing power management chip on the market all are HOTCHIP HT4928S which the parameters is same as134N3P Charge status indication. Red light flashes when charging; Long red light when full The step up charging board can be connected to a lithium battery and connected in multiple sections of lithium batteries, as long as the voltage is 3.7-4.2V in parallel(only be connected in parallel, not in series) Available for various batteries like Polymer ,18650 Lithium ,Cell Phone ,Tablet and MP3 Battery it has protection functions, protect from over-charger / over-discharger/ over-load ( support charger and discharger at the same time )