MeshSolar
Heltec Automation · Dev-board
Price: From $38.99[1]
Specifications
| Specification | Value |
|---|---|
| Product status | Active [1] |
| LoRa chip | SX1262 [2] |
| Processor | nRF52840 [2] |
| Radio power | 126 mW (21 dBm) [2] |
| Frequency bands | 470–510 MHz, 863–870 MHz, 902–928 MHz [2] |
| GPS | Optional (add-on) [1] |
| Display type | None [1] |
| Display size | None |
| Display details | Optional display expansion [1] |
| Input | Buttons [2] |
| Battery | No built-in battery [1] |
| Dedicated solar input | Built in [2] |
| Antenna | External [2] Connector: IPEX 1.0 LoRa and 2.4 GHz antenna interfaces [2] |
| IP rating | Unknown |
| Dimensions | 43 × 97 × 11 mm [2] |
| Weight | Unknown |

Firmware support
| Firmware | Support | Details |
|---|---|---|
| Meshtastic | Official [4] | Details
Confirm your exact device in the official flasher before choosing a build. Meshtastic web flasher |
| MeshCore | Supported [5] | Details
Confirm your exact device in the official flasher before choosing a build. MeshCore web flasher |
| UMSH | Unsupported [7] | — |
Where to buy
| Vendor / configuration | Price | Based in | Ships from |
|---|---|---|---|
| Heltec Automation | |||
| 863–870 / 902–928 MHz | From $38.99 Observed 2026-10-19 | Unknown | 🇨🇳🇪🇺🇺🇸 |
| OpenELAB | |||
Global site 863–870 MHz | €52.45 Observed 2026-10-19 | Unknown | 🇪🇺🇺🇸🇨🇳 |
US site 902–928 MHz | $64.29 Observed 2026-10-19 | Unknown | 🇪🇺🇺🇸🇨🇳 |
Notes
Development board that combines an MPPT battery-management board with an HT-n5262M radio/control module (nRF52840 and SX1262). It supports 1–4 battery cells, 18–24 V solar/DC input through XT30, and optional GNSS/display expansion. The direct listing’s $38.99 starting price excludes selected accessories; it requires a 20 V supply for first activation.
Sources
- Heltec MeshSolar product page
- Heltec MeshSolar datasheet Rev. 1.0.0
- Heltec MeshSolar usage guide
- Meshtastic deviceHardware catalog
- MeshCore official flasher catalog
- MeshCore MeshSolar board configuration
- UMSH hardware support list
- Meshtastic firmware commit integrating the Heltec MeshSolar target
- OpenELAB HELTEC MeshSolar Li-ion BMS BLE/ LoRa Connectivity Dev Board exact offer
- OpenELAB US store: HELTEC MeshSolar Li-ion BMS BLE/ LoRa Connectivity Dev Board
Last updated 2026-10-20