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Wemos ESP-02 Motherboard D1 Mini WiFi Module ESP8266+18650 Battery Set
$22.72
Sale price
$22.72
Regular price
$0.00
Description
SPECIFICATIONS
Application: standard
Brand Name: PENGHEKEJI
Choice: yes
Condition: New
Dissipation Power: standard
High-concerned chemical: none
Operating Temperature: standard
Origin: Mainland China
Supply Voltage: standard
Type: Module
is_customized: Yes
semi_Choice: yes
This development board integrates ESP8266 18650 battery A standard 3000mah 18650 battery can run for 17 hours.
It can be called "WiFi battery". I'm going to make it easier to develop ESP8266 ESP8266 projects by adding 18650 battery.
When you do some ESP8266 projects you must hate to add power supply to provide power. This micro board can solve such problem. The 3000mah 18650 battery can run the ESP8266 for 17 hours or more.
What makes it special?
- Compatible with nodemcu.
- 18650 charging system integration.
- Indicator LED (green means full red means - charging) can be used while charging.
- Switch to control the power supply.
- SMT connector can be used for sleep mode - 1 additional LED programmable (gpio16)
- 0.5a charging current
- 1A output
- Overcharge protection
- Over-discharge protection
- 10 digital pins for read/write/interrupt/PWM/I2C/line support (except D0)
- Be careful with +- for analog inputs.
If the battery is in the wrong direction, the charging chip will be damaged.




Free Shipping Over $199
- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
30-Day Return Policy
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
Why Choose Us?
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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