Monitor from anywhere
See JK-BMS status remotely without a VPN, port forwarding, or Home Assistant.
JKBMSR
A plug-and-play ESP32 gateway and cloud dashboard for battery owners, installers, and RV solar systems.
SOC, voltage, current, and cell balance in one dynamic dashboard — no Home Assistant, no VPN, no port forwarding required.
Focused tooling for JK-BMS deployments — from first flash to remote alerts.
See JK-BMS status remotely without a VPN, port forwarding, or Home Assistant.
Flash over USB in Chrome, join Wi‑Fi with Improv, then claim the device in one flow.
Know when pack conditions need attention before a site visit becomes urgent.
Keep gateways current with signed metadata, hash verification, and remote delivery.
Built for repeatable deployment across off-grid, RV, solar, and small energy systems.
Version 1 stays on JK-BMS so compatibility can be tested deeply instead of broadly.
Flash in the browser, join Wi‑Fi, claim the device — then monitor from anywhere.
Use Chrome or Edge at cdn.jkbmsr.com/flash — no Arduino IDE required.
Improv Serial prompts for your network over the same USB cable. SoftAP fallback if you are in the field.
Finish at app.jkbmsr.com/onboard with the device ID and claim code already filled in.