11–4 cell battery management
It supports 1–4 cell Li-ion, LiPo or LiFePO4 packs with overcharge, over-discharge, overcurrent, short-circuit and temperature protection.
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The heart of a solar node-15%CODENEWMESH15Heltec MeshSolar solar-charging LoRa board
Meshtastic is an off-grid mesh network for sending text messages over LoRa radio, with no phone signal needed. MeshSolar is a development board that combines solar charging and battery management (BMS) with Bluetooth and LoRa, for nodes where there is no mains power.
15%$45.04
Price with code · Meshnology · as of 2026-10-09Code NEWMESH15 · 15% off
first order
2MPPT solar charging
It takes 18–25 V solar input with MPPT, plus USB PD3.0 fast charging and 18–25 V DC input. Charge and discharge settings are changed in a web interface.
3Bluetooth and LoRa
It has Bluetooth 5.0 and LoRa, rated up to 10 km at 21 dBm. An M.2 slot takes GPS, display or I/O modules.
Key specs
- Battery
- 1–4 cell Li-ion / LiPo / LiFePO4
- Solar input
- 18–25 V (MPPT)
- Connectivity
- Bluetooth 5.0, LoRa
- TX power
- 21 dBm
- Bands
- 860–870 MHz / 902–928 MHz
Good pick if
- You want to build your own solar relay node
- You want control over battery type and charge settings
Think twice if
- You want a finished unit with case and panel (see MeshTower)
FAQ
Is there a promo code?
Yes. Enter NEWMESH15 at Meshnology checkout when buying the Heltec MeshSolar solar-charging LoRa board for 15% off. Conditions: first order.
How do I choose the battery type?
When ordering you pick a Li-ion/LiPo or LiFePO4 version and a frequency band. All options are $52.99.
Is a solar panel included?
No. You get the board, cables and LoRa and 2.4 GHz antennas. Bring your own 18–25 V panel.
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