<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p>Features:<br/>1.Support 3.7V boost to 5V output, compatible with USB device charging requirements<br/>2. Built-in over-current, over-voltage, under-voltage protection, to ensure the safe use of the battery<br/>3. Small size, light weight, suitable for DIY mini charging treasure production<br/>4. Adapt 18650 lithium battery, flexible application in a variety of mobile power projects.<br/>5. Modular design, easy to install, suitable for DIY enthusiasts to quickly get started!</p><p>Parameter:<br/>Input port: MicroUSB<br/>Input requirements: 5V1A or above charger, built-in lithium battery protection IC, over-current, over-voltage, under-voltage protection</p><p>Requirements for rechargeable battery:<br/>Available batteries: 18650 batteries, cell phone batteries, tablet batteries, MP3 batteries, such as 3.7V-4.2V polymer lithium batteries, can be powered by a single section, can also be powered by a number of sections in parallel (does not support series connection, can not be connected in series)<br/>Note: parallel connection to increase capacity, series connection is to increase the voltage, can only be used in parallel! Series connection must burn the motherboard! Multiple polymer batteries or 18650 batteries can be connected in parallel! Can not be used batteries: dry cell batteries, storage batteries, 1.2V rechargeable batteries, hydrogen batteries, 3.2V lithium iron polymer lithium batteries and so on.</p><p>Product installation should pay attention to the following points:<br/>1, the battery should be connected in parallel, the voltage should be between 3.3V-4.2V to work!<br/>2, the battery is connected to the motherboard B + negative connection B -, installed in reverse must burn the motherboard!</p><p>Package include:<br/>Module *1<br/><br/></p></div></div><p><br/></p>