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

 

 
Shipping list:

1.Normal pins x2pcs

2.Battery Shield x1pcs
 

For anything problem about product, price, shipping or order status, pleasecontact us via eBay message.Just contact us using the "Ask the seller a question" link on eBay.
 

We expect positive feedback and 5 scores DSR  from you. 

  1. We believe our items are so outstanding. We are convinced you will be happy with your Purchase.
  2. If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund to you after the returned item arrived at our warehouse.
  3.  Please include your eBay ID and item number with any email requests.

* When you satisfied with our product and services please leave us positive feedback.

* If you have got the package, please confirm "Delivery on time" For us.

* If a problem occurs, contact us immediately with any email request.

* Just contact us using the " Ask the seller a question" link on eBay.

Your Satisfaction is our Priority. Our goal is to make all our customers as happy as possible while shopping with us.