Live BMS
LiFePO4 BMS battery monitor
About
Monitor multiple LiFePO4 batteries from a single dashboard. View real-time data like charge, voltage, temperature, and cycle count. Get estimates for time to full or empty, and track battery health and performance.
What's New in Live BMS
2.3
August 15, 2026
• Improved battery brand detection — JK-BMS packs are now reliably recognized even when Bluetooth doesn't report a device name • New: "Working harder than usual" alerts flag when you're drawing noticeably more power than your battery's own history at that speed • New: Sweet-spot analysis shows the exact speed that maximizes your range, learned from your real readings • New: Live Range Ring — your remaining range drawn live on the map • Bug fix: resolved an issue where reconnecting to a battery could fail after tapping "Reconnect Now"
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FAQ
Does Live BMS have ads?
No, Live BMS is ad-free. The app prioritizes user experience by not displaying any advertisements.
How much does Live BMS cost?
The free version of Live BMS allows you to monitor live charge and voltage for one battery. A one-time purchase of $4.99 unlocks all features, including unlimited batteries, full telemetry, history, and alerts.
What batteries are supported by Live BMS?
Live BMS supports LiTime, Power Queen, and Redodo LiFePO4 batteries, as well as common JBD/Xiaoxiang, JK-BMS, and Daly BMS units. More battery families are being added.
Can I monitor my batteries remotely with Live BMS?
Yes, you can monitor your batteries remotely by purchasing the optional Live BMS Link Wi-Fi bridge. This accessory allows your dashboard to update even when you are not near your batteries.
What kind of data does Live BMS provide?
Live BMS provides detailed real-time data including state of charge, pack voltage, current, per-cell voltages, temperature, cycle count, and health. It also offers estimates for time to full or empty.
Is Live BMS safe for all ages?
Yes, Live BMS has an age rating of 4+, making it suitable for users of all ages. The app focuses on utility and data display without mature content.
How often is Live BMS updated?
The latest version of Live BMS is 2.3, last updated on August 15, 2026. Updates typically add support for more BMS units and enhance existing features.
What devices does Live BMS support?
Live BMS is available for iPhone, iPad, and Apple Watch, offering a versatile monitoring experience across your Apple devices.