Catalog > Internet of Things (IOT) Related Products > More Platforms D1 Mini Single Lithium Battery Charge D1 Mini Single Lithium Battery Charge HKD WEMOS D1 MINI BATT CHGR SHLD 1A BATTERY SHIELD FOR POWERING A WEMOS D1 MINI FROM A SINGLE 3.7V LITHIUM BATTERY Call for Price 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features You can use D1 mini without USB cable, it's really wireless now. Put D1 mini anywhere, using this battery shield and a lithium Battery. Boost, just connect lithium Battery to this shield, power supply for the entire D1 mini system. Charging, when the battery run out, you do not need to unplug the battery, just using usb port to charging. Package included: 1 x Battery Shield 2 x Normal pin