MeshSolar is an integrated power management and communication solution designed for outdoor low-power devices, consisting of a Power Management Board and an BLE+LoRa Communication Control Mainboard. The system features solar MPPT charging, multi-protocol fast charging (supporting USB PD3.0 and 18-24V DC input), intelligent battery management (compatible with 1-4 cells/battery packs, with overcharge/over-discharge/short-circuit/over-temperature protection and balanced charging), and dual-mode Bluetooth + LoRa wireless communication (LoRa range up to 10 km with 211 dBm transmit power). With its low-power design, extensive hardware expansion interfaces (supporting displays, GPS, and general-purpose I/O), and seamless compatibility with the HT-n5262M module (nRF52480 + SX1262), MeshSolar is ideal for high-power or long-term stable power supply applications such as solar-powered systems and remote monitoring. It also fully supports the Meshtastic ecosystem. Warning: Verify the battery switch alignment with solder points and battery connected before applying power (activation/charging/setup) to avoid board damage. MeshSolar requires a 20V charger for activation. NOTE: USB PD 3.0 charging requires a PD 20V charger, Supports 1-4 battery configurations. Web-based configuration for charging/discharging parameters. LED battery level indication. One-touch output shutdown function. Dual-mode wireless communication: Bluetooth connectivity, LoRa long-range communication (up to 10km range). Expansion interfaces for displays, GPS, and general-purpose I/O. For a more detailed MeshSolar introduction, please contact customer service before placing an order. Voltage: AC100-240V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Color: Black Material: Plastic+Metal Package Contents: 1 x board 1 set x accessories 1 x PD 20V adapter Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.