--- product_id: 427780037 title: "Solar Charge Development Board Module ESP32-WROVER-B Chip Wireless Module WiFi BLE 18560 Battery Holder TTGO T-SIM7000G SIM CH9102F 16MB" brand: "lilygo" price: "¥20351" currency: JPY in_stock: true category: "Lilygo" url: https://www.desertcart.jp/products/427780037-solar-charge-development-board-module-esp32-wrover-b-chip-wireless store_origin: JP region: Japan --- # 16MB Flash + 8MB PSRAM WiFi + BLE + 2G/NB-IoT connectivity Solar charging IC with battery protection Solar Charge Development Board Module ESP32-WROVER-B Chip Wireless Module WiFi BLE 18560 Battery Holder TTGO T-SIM7000G SIM CH9102F 16MB **Brand:** lilygo **Price:** ¥20351 **Availability:** ✅ In Stock ## Summary > 🔆 Power your innovation sustainably with LILYGO’s solar-charged ESP32 module! ## Quick Answers - **What is this?** Solar Charge Development Board Module ESP32-WROVER-B Chip Wireless Module WiFi BLE 18560 Battery Holder TTGO T-SIM7000G SIM CH9102F 16MB by lilygo - **How much does it cost?** ¥20351 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/427780037-solar-charge-development-board-module-esp32-wrover-b-chip-wireless) ## Best For - lilygo enthusiasts ## Why This Product - Trusted lilygo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ultra-Low Power GPS:** GPS power control slashes consumption to just 300µA in sleep mode—perfect for always-on, energy-efficient tracking. - • **Solar Smart Charging:** Integrated solar charging IC with overcharge and reverse polarity protection ensures sustainable, worry-free power management. - • **Robust Memory Powerhouse:** 16MB Flash and 8MB PSRAM deliver seamless multitasking and storage for complex IoT projects. - • **Developer-Friendly Ecosystem:** Open-source support via GitHub and multiple peripheral interfaces (I2C, SPI, UART, CAN) empower rapid prototyping and customization. - • **Versatile Connectivity Suite:** Supports WiFi, Bluetooth, and 2G/NB-IoT networks, enabling flexible wireless communication for diverse applications. ## Overview The LILYGO Solar Charge Development Board features an ESP32-WROVER-B chip with 16MB flash and 8MB PSRAM, integrated solar charging IC with battery protection, and ultra-low power GPS control. It supports WiFi, Bluetooth, and 2G/NB-IoT connectivity, making it ideal for energy-efficient IoT and GPS projects. Designed for developers, it offers multiple peripheral interfaces and open-source resources for rapid innovation. ## Description Free delivery and returns on eligible orders. Buy LILYGO Solar Charge Development Board Module ESP32-WROVER-B Chip Wireless Module WiFi BLE 18560 Battery Holder TTGO T-SIM7000G SIM CH9102F 16MB at desertcart UK. ## Features - 16MB Flash & 8MB PSRAM - Note: SIM7000G does not support 4G network. Please make sure the USIM card you use supports 2G(GSM)/NB-IOT access - Peripheral interfaces: I2C, SPI, UART, SDIO, I2S, CAN - More information: github.com/Xinyuan-LilyGO/LilyGO-T-SIM7000G - If you have any questions about our products, please feel free to contact us ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B099RQ7BSR | | Best Sellers Rank | 105 in GPS Module Receivers | | Box Contents | USB cable | | Brand Name | LILYGO | | Compatible Devices | Devices with Wi-Fi and/or Bluetooth capabilities | | Country of Origin | China | | Customer Reviews | 4.4 4.4 out of 5 stars (59) | | Global Trade Identification Number | 16971336330523 | | Item Dimensions L x W x H | 11.1L x 3.7W x 2H centimetres | | Manufacturer | LILYGO | | Manufacturer Part Number | T-SIM7000G | | Memory Storage Capacity | 16 MB | | Model Name | CH9102F 16MB | | Model Number | T-SIM7000G | | Network Connectivity Technology | Bluetooth, Wi-Fi | | Number of Items | 1 | | Number of Packs | 1 | | Operating System | ESP-IDF | | Processor Brand | Espressif | | Processor Count | 2 | | RAM Memory Installed | 8 MB | | RAM Memory Technology | DDR | | Total USB Ports | 1 | | Unit Count | 1.0 count | | Wireless Compability | 802.11b | ## Product Details - **Brand:** LILYGO - **Connectivity technology:** Bluetooth, Wi-Fi - **Memory storage capacity:** 16 MB - **Model name:** CH9102F 16MB - **RAM memory installed size:** 8 MB ## Images ![Solar Charge Development Board Module ESP32-WROVER-B Chip Wireless Module WiFi BLE 18560 Battery Holder TTGO T-SIM7000G SIM CH9102F 16MB - Image 1](https://m.media-amazon.com/images/I/61AkCUV-tCL.jpg) ## Questions & Answers **Q: Are the gps & the lte antenas both included in the package with t-sim7000g ch9102f 16mb ? will lte antenna work in us?** A: The package contains GPS and LTE antennas, LTE antennas can be used in the United States **Q: What sim card/plans are you using in the usa? i'm looking for a low data option.** A: I'm currently using Twilio. **Q: Can you accommodate charging from the USB interface?** A: FYI, I discovered that attaching or detaching power to the USB port causes the ESP32 processor to reset, while attaching or detaching power to the "solar" charge port does not disturb the processor. **Q: Does this have any security chip? atecc608** A: This product does not have this security chip ## Frequently Bought Together - LILYGO T-SIM7000G ESP32-WROVER-B Solar Charge SIM GPS Antenna CH9102F 16MB 2G/NB TTGO Development Board - Soracom Air Global Plan01s IoT SIM Card Secure Cellular Connectivity SIM Card for IoT M2M Projects Pay as You Go No Contract (1-Pack) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.jp/products/427780037-solar-charge-development-board-module-esp32-wrover-b-chip-wireless](https://www.desertcart.jp/products/427780037-solar-charge-development-board-module-esp32-wrover-b-chip-wireless) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-10-12*