Battery Shield For WEMOS D1 mini single lithium battery charging & boost
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.
1. Connect to lithium Battery (normal 3.3-4.2V)
2. Charging port (normal 5V)
3. Green LED, lights when charging is completed
4. Red LED, lights when charging
Before purchase: 1.All the goods are ready stock, we will arrange the shipment at once if we receive the order. 2.Please read the item description, if you have any question, do not hesitate to contact us. 3.No warranty,if you receive a defect item,please contact us at once with item picture. 4.Use the vouchers for more saving.
Shipment: 1.1-2 days to ship(except for the pro-order item) and 10-15 days shipment. 2.If you have not received the item after 15 days shipment,Please contact us.
After purchase: 1.If you are satisfied,please give us 5 stars praise. 2.Please contact us before you are going to give us bad review. We are helpful and will solve the problems. if you receive a defect item,please contact us at once with item picture or video