
Free
About
Energy Manager is an application independently developed by Joycube Battery (Suzhou) Co., Ltd. It is specially designed for supporting energy‑storage lithium‑ion batteries and supports dual‑connection modes of Bluetooth and Wi‑Fi.
**User Scenario:**
Your mobile phone acts as your Energy Manager! Quickly connect to energy‑storage batteries via Bluetooth or Wi‑Fi, monitor core parameters such as voltage, current and temperature in real time, and accurately assess battery health status. Historical data logging and anomaly warnings keep your power‑usage safety fully under control.
**Main Functions:**
1. Real‑time Data: Including voltage, current, temperature, SOC, etc.
2. Intelligent Alarms: Reminders for various battery pack protection, alerts and fault statuses to safeguard battery safety.
3. Data Tracking: Record and view historical diagnostic data.
4. OTA Upgrade: After the APP connects to the battery, transfer the firmware package to the battery BMS via Bluetooth or Wi‑Fi to realize remote upgrade.
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What's New in Power Butler
1.4
August 20, 2026
1. Logo Modification 2. Optimization of Status Warning Information Prompt




