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Product Introduction

When you do some esp32 projects, you must hate adding power

Provide motivation.

 

This board can solve such problems.

 

LG 3000mah 18650 battery can make esp32 work normally


18650 charging system integration.
 

Indication LED (green means all and red means charging)
 

Charging and working can be carried out at the same time.
 

1 switch can control the power supply.
 

1 extra LED programmable (with gpio16 [do])
 

0.5a charging current 1A output
 

Overcharge protection Over discharge protection


Full esp32 pin breakout


Schematic
https://github.com/LilyGO/LILYGO-T-Energy/blob/master/t18_v3.0.pdf



Specifications:

Hardware Specifications  
Chipset ESPRESSIF-ESP32-WROVER 240MHz Xtensa ®  single-/dual-core 32-bit LX6 microprocessor
FLASH QSPI flash/SRAM, up to 32 MB
SRAM  520 kB SRAM
KEY reset,BOOT
switch BAT switch
Power indicator lamp red
USB to TTL CP2104
modular interface

SD card , UART , SPI , SDIO , I2C , LED PWM , TV PWM , I2S , IRGPIO ,

capacitor touch sensor , ADC , DACLNA pre-amplifier

on-board clock 40MHz crystal oscillator 
working voltage 2.3V-3.6V
working current about 40mA
sleep current 1mA
working temperature range -40 ℃  ~ +85 ℃
size 91.10mm*32.75mm*19.90mm
Power Supply Specifications  
Power Supply USB 5V/1A
charging current 1000mA
battery 3.7V lithium battery
Wi-Fi Description
Standard FCC/CE/TELEC/KCC/SRRC/NCC
protocol 802.11 b/g/n/e/i (802.11n , speed up to150Mbps) A-MPDU and A-MSDU polymerization , support 0.4μS Protection interval
frequency range 2.4GHz~2.5GHz(2400M~2483.5M)
Transmit Power 22dBm
communication distance

300m

Bluetooth Description
protocol meet bluetooth v4.2BR/EDR and BLE standard
radio frequency with -98dBm sensitivity NZIF receiver Class-1,Class-2&Class-3 emitter AFH
audio frequency CVSD&SBC audio frequency
Software specification Description
wifi Mode Station/SoftAP/SoftAP+Station/P2P
security mechanism WPA/WPA2/WPA2-Enterprise/WPS
Encryption Type  AES/RSA/ECC/SHA
firmware upgrade UART download/OTA ( Through network/host to download and write firmware )
Software Development Support cloud server development /SDK for user firmware development
networking protocol IPv4 , IPv6 , SSL , TCP/UDP/HTTP/FTP/MQTT
User Configuration AT + Instruction set, cloud server, android/iOSapp
OS

FreeRTOS

Shipping list 1 X 18650 battery ESP32 WROVER development board
2 X Pin
TTGO T-Energy ESP32 8MByte PSRAM WiFi & Bluetooth Module 18650 Battery ESP32-WROVER-B Development Board
TTGO T-Energy ESP32 8MByte PSRAM WiFi & Bluetooth Module 18650 Battery ESP32-WROVER-B Development Board
TTGO T-Energy ESP32 8MByte PSRAM WiFi & Bluetooth Module 18650 Battery ESP32-WROVER-B Development Board
TTGO T-Energy ESP32 8MByte PSRAM WiFi & Bluetooth Module 18650 Battery ESP32-WROVER-B Development Board
TTGO T-Energy ESP32 8MByte PSRAM WiFi & Bluetooth Module 18650 Battery ESP32-WROVER-B Development Board
TTGO T-Energy ESP32 8MByte PSRAM WiFi & Bluetooth Module 18650 Battery ESP32-WROVER-B Development Board
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Exchange or return policy



Every item comes with a 30-day warranty. However, there are certain conditions that apply:

  1. The customer should not be responsible for any self-inflicted damage, such as incorrect power connections (for example, supplying 5V instead of the required 3.3V for a sensor).

  2. The product must be in perfect condition, without any breakage or damage caused by electricity (e.g., short circuits leading to electrical fires).

  3. The store does not accept product exchanges due to customer misunderstandings, such as purchasing the wrong size for their project or buying something without eventually using it. Customers can inquire about the product details and ensure compatibility before making a purchase by contacting us through our Line account @modulemore during business hours. Please note that there may be delays in response between 12:00 PM and 2:00 PM.

Return Policy: To initiate a product return, customers must provide the original receipt or a copy for quick verification. Returns can be sent to our store address by following these guidelines:

  1. Provide a detailed description of the damaged item(s).
  2. Mention any tests or experiments conducted by the customer.

Please note that the store reserves the right to make the final decision regarding product replacement or refund.

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TRACK & TRACE

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Last updatedOct 20, 2025

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Arduino compatible board, Iot, ESP32, ESP8266, Nodemcu, Raspberry pi, micro:bit and etc.
Mobile number : 0831710868
E-mail : paheyisoicus@gmail.com
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