Product Features:

• WIFI Module, Wemos ESP-wroom-02 Motherboard, D1 Mini WIFI Module, ESP8266+18650 Battery Case
• The development board integrates the ESP8266 18650 battery. A standard 3000mah 18650 battery can run for 17 hours;
• You can call it "WiFi battery". I am going to make it easier to develop ESP8266 ESP8266 project to add 18650 battery;
• When you do some ESP8266 items you must be hated to add power to power. This miniature board can solve this problem. LG 3000mah 18650 battery can make ESP8266 run for 17 hours or more;
• High Quality with 30 days 100% Money back; 
• From the OEM Original Factory, same quality with much better price. 

Module Parameters:

• With nodemcu.
• 18650 charging system integration.
• Indication LED (green means full of red means · Charging) Charge and work can be done at the same time.
• 1 switch control power supply.
• 1 SMT connector available for sleep mode · 1 additional LED programmable (with gpio16 [do])
• 0.5a charge current
• 1A output
• Overcharge protection
• Over discharge protection
• 10 digital pin read / write / interrupt / PWM / I2C / line support (except D0)
• 1 analog input to be careful + -.

Note:

• If the battery is in the wrong direction, the charging chip will be destroyed.
• This product does not contain 18650 battery.

Where is your products origin? Are they certificated?

wxconn have long-term cooperation agreements with many OEM factory in China to reduce the intermediate channel cost and help you save money. Our products all made strictly according to the relative global standard, to ensure the products have good compatibility and excellent quality. 

What forms of payment do you accept?

Our main payment method include Paypal, Credit Card, Bank Transfer and so on. You could choose anyone at your convenience

When will you arrange shipment?

After confirming receipt of your payment, we will arrange the shipment as soon as possible and upload the courier number to the website for your easy tracking.

Under normal circumstances, the product will be sent out within 48 hours, if the package cannot be send out timely due to special circumstances, we will contact you in advance and inform the specific reasons.

How to exchange or return?

1. You can apply to return within 30 days after receipt of the goods. Please make sure the outside package is intact, and products is in original condition. We will arrange your refund according to the relevant provisions once package received.

2. Return process: You Apply for Return - Approve Return - You Arrange Return - Receive Products and make Inspection - We arrange Refund;

3. We will bear the freight charges for returns caused by us, for instance the quality problem; As to returns caused by the client, customer should be responsible for the shipping fee;