3Pcs D1 Esp-Wroom-02 Motherboard ESP8266 Mini WiFi Nodemcu Module 18650 Charging Battery Development Board

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$29.99

Ex Tax: $29.99

Stock: In Stock
Model: EB0041648
SKU: EB0041648

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Brand:Renhotec

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Description:

- 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.

Features:

- 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:

1. If the battery is in the wrong direction, the charging chip will be destroyed.

2. This product does not contain 18650 battery.

Package Included:

3 x WeMos D1 Esp-Wroom-02 Motherboard Mini-WiFi Nodemcu Module

Shipping Time

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The total delivery time is calculated from the time your order is successfully placed to the time received. Total delivery time is broken down into processing time and shipping time.

Processing time: The time it takes to prepare your item(s), includes preparing your items, performing quality inspections, and packaging for shipment. Normally, the processing time is 1-3 days (Only include Monday to Saturday ) after getting your order.

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Shipping Rates

You could choose the shipping method based on your preference during checkout, different shipping methods will apply different rates and shipping times. Please check the following chart for detail:

Shipping Method Shipping Rates Shipping Times
Flat Shipping (Promotion)
$10 About 5-30 Working Days to Worldwide (Only include Monday to Saturday )
Standard Express（0.5KG starting price listed）
Based On Weights About 5-15 Working Days to Worldwide (Only include Monday to Saturday )
Priority Express （0.5KG starting price listed）
Based On Weights About 3-7 Working Days to Worldwide (Only include Monday to Saturday )

In addition, the transit time depends on where you're located, the shipping method you choose, and where your package comes from. We will keep you informed of any problems here to help you get your order as soon as possible.

If you want to know more information, please contact the customer service by contact form or sales@renhotecic.com. We will settle your problem as soon as possible. Enjoy shopping!