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Screenshots

  • Power Butler screenshot 1
  • Power Butler screenshot 2
  • Power Butler screenshot 3
  • Power Butler screenshot 4

About Power Butler

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.

What’s new

Version 1.4 · Updated August 20, 2026

1. Logo Modification 2. Optimization of Status Warning Information Prompt

App privacy

The developer, 星久科能源(苏州)有限公司, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Location: Precise Location

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Location: Precise Location
  • Contact Info: Email Address
  • User Content: Photos or Videos

Used for: App Functionality