About DALY BMS
1. The uniqueness of the Bluetooth name ensures that users can accurately connect and manage the corresponding lithium battery; 2. Information query management can be performed on the battery, the user can query the...
1. The uniqueness of the Bluetooth name ensures that users can accurately connect and manage the corresponding lithium battery; 2. Information query management can be performed on the battery, the user can query the relevant status of each string of batteries, and replace or maintain the abnormal battery; 3. Safety setting and reading battery protection parameters, user setting parameters, you need to enter a password to modify the parameters; 4. Monitor battery fault alarms and display the current faults,and the number of faults in the battery;
Version History 1. Added monitoring for parallel operation; 2. Optimized Bluetooth connection; 4.1.4 Sep 30 Optimize Bluetooth data acquisition 4.1.2 Sep 8 Added historical curves and operation logs. 4.1.1 Sep 7 Added batch upgrade and parallel system monitoring. 4.0.9 Aug 24 Optimize the mechanism for handling weak and intermittent device signals. 4.0.4 Aug 10 Adapt to various languages and optimize device connectivity 4.0.3 Aug 6 Optimize QR Code Scanning and Operation & Maintenance Modes 4.0.2 Jul 28 Added Bluetooth search and QR code scanning for connection. 4.0.1 Jul 24 Simplify operations and optimize Bluetooth connectivity 4.0.0 Jul 15 Guide for New User Operations 3.21.5 Jun 12 Optimize Bluetooth communication functionality. 3.21.4 Jun 10 Optimize Bluetooth Connection 3.2.3 Jun 2 Optimized Bluetooth search and historical fault handling. 3.2.2 May 27 WiFi Network Configuration Compatible with the Latest Systems 3.2.1 May 20 Optimize WiFi Module Network Configuration 3.2.0 May 19 Optimize Bluetooth Display 3.1.9 May 14 1. Optimized Bluetooth connection data and reconnection mechanism 2. Added Equalizer 3.1.8 May 12 Compatible with small-screen devices 3.1.7 Apr 23 Optimized Engineering Mode and Real-time Data 3.1.6 Apr 8 Optimize Sleep Mode Settings 3.1.5 Mar 27 Optimize Platform Business Functionality 3.1.4 Mar 20 Optimize real-time positioning module 3.1.3 Mar 7 Optimize the Wi-Fi network configuration logic. 3.1.2 Jan 22 Optimize the Wi-Fi network configuration process. 3.1.1 Jan 21 1. Optimized Bluetooth network configuration logic 2. Added Wi-Fi device refresh function 3.1.0 Jan 19
Previous Versions
Here you can find the changelog of DALY BMS since it was posted on our website on 2026-02-22 14:14:21.
The latest version is 4.1.4 and it was updated on 2026-10-12 15:35:18. See below the changes in each version.
DALY BMS version 4.1.4
Updated At: 2026-10-08
Changes: Version History 1. Added monitoring for parallel operation; 2. Optimized Bluetooth connection; 4.1.4 Sep 30 Optimize Bluetooth data acquisition 4.1.2 Sep 8 Added historical curves and operation logs. 4.1.1 Sep 7 Added batch upgrade and parallel system monitoring. 4.0.9 Aug 24 Optimize the mechanism for handling weak and intermittent device signals. 4.0.4 Aug 10 Adapt to various languages and optimize device connectivity 4.0.3 Aug 6 Optimize QR Code Scanning and Operation & Maintenance Modes 4.0.2 Jul 28 Added Bluetooth search and QR code scanning for connection. 4.0.1 Jul 24 Simplify operations and optimize Bluetooth connectivity 4.0.0 Jul 15 Guide for New User Operations 3.21.5 Jun 12 Optimize Bluetooth communication functionality. 3.21.4 Jun 10 Optimize Bluetooth Connection 3.2.3 Jun 2 Optimized Bluetooth search and historical fault handling. 3.2.2 May 27 WiFi Network Configuration Compatible with the Latest Systems 3.2.1 May 20 Optimize WiFi Module Network Configuration 3.2.0 May 19 Optimize Bluetooth Display 3.1.9 May 14 1. Optimized Bluetooth connection data and reconnection mechanism
2. Added Equalizer 3.1.8 May 12 Compatible with small-screen devices 3.1.7 Apr 23 Optimized Engineering Mode and Real-time Data 3.1.6 Apr 8 Optimize Sleep Mode Settings 3.1.5 Mar 27 Optimize Platform Business Functionality 3.1.4 Mar 20 Optimize real-time positioning module 3.1.3 Mar 7 Optimize the Wi-Fi network configuration logic. 3.1.2 Jan 22 Optimize the Wi-Fi network configuration process. 3.1.1 Jan 21 1. Optimized Bluetooth network configuration logic
2. Added Wi-Fi device refresh function 3.1.0 Jan 19
DALY BMS version 4.1.4
Updated At: 2026-10-01
Changes: Version History 1. Added monitoring for parallel operation; 2. Optimized Bluetooth connection; 4.1.4 21h ago Optimize Bluetooth data acquisition 4.1.2 Sep 8 Added historical curves and operation logs. 4.1.1 Sep 7 Added batch upgrade and parallel system monitoring. 4.0.9 Aug 24 Optimize the mechanism for handling weak and intermittent device signals. 4.0.4 Aug 10 Adapt to various languages and optimize device connectivity 4.0.3 Aug 6 Optimize QR Code Scanning and Operation & Maintenance Modes 4.0.2 Jul 28 Added Bluetooth search and QR code scanning for connection. 4.0.1 Jul 24 Simplify operations and optimize Bluetooth connectivity 4.0.0 Jul 15 Guide for New User Operations 3.21.5 Jun 12 Optimize Bluetooth communication functionality. 3.21.4 Jun 10 Optimize Bluetooth Connection 3.2.3 Jun 2 Optimized Bluetooth search and historical fault handling. 3.2.2 May 27 WiFi Network Configuration Compatible with the Latest Systems 3.2.1 May 20 Optimize WiFi Module Network Configuration 3.2.0 May 19 Optimize Bluetooth Display 3.1.9 May 14 1. Optimized Bluetooth connection data and reconnection mechanism
2. Added Equalizer 3.1.8 May 12 Compatible with small-screen devices 3.1.7 Apr 23 Optimized Engineering Mode and Real-time Data 3.1.6 Apr 8 Optimize Sleep Mode Settings 3.1.5 Mar 27 Optimize Platform Business Functionality 3.1.4 Mar 20 Optimize real-time positioning module 3.1.3 Mar 7 Optimize the Wi-Fi network configuration logic. 3.1.2 Jan 22 Optimize the Wi-Fi network configuration process. 3.1.1 Jan 21 1. Optimized Bluetooth network configuration logic
2. Added Wi-Fi device refresh function 3.1.0 Jan 19
DALY BMS version 4.1.2
Updated At: 2026-09-24
Changes: Version History Optimize Bluetooth data acquisition 4.1.2 Sep 8 Added historical curves and operation logs. 4.1.1 Sep 7 Added batch upgrade and parallel system monitoring. 4.0.9 Aug 24 Optimize the mechanism for handling weak and intermittent device signals. 4.0.4 Aug 10 Adapt to various languages and optimize device connectivity 4.0.3 Aug 6 Optimize QR Code Scanning and Operation & Maintenance Modes 4.0.2 Jul 28 Added Bluetooth search and QR code scanning for connection. 4.0.1 Jul 24 Simplify operations and optimize Bluetooth connectivity 4.0.0 Jul 15 Guide for New User Operations 3.21.5 Jun 12 Optimize Bluetooth communication functionality. 3.21.4 Jun 10 Optimize Bluetooth Connection 3.2.3 Jun 2 Optimized Bluetooth search and historical fault handling. 3.2.2 May 27 WiFi Network Configuration Compatible with the Latest Systems 3.2.1 May 20 Optimize WiFi Module Network Configuration 3.2.0 May 19 Optimize Bluetooth Display 3.1.9 May 14 1. Optimized Bluetooth connection data and reconnection mechanism
2. Added Equalizer 3.1.8 May 12 Compatible with small-screen devices 3.1.7 Apr 23 Optimized Engineering Mode and Real-time Data 3.1.6 Apr 8 Optimize Sleep Mode Settings 3.1.5 Mar 27 Optimize Platform Business Functionality 3.1.4 Mar 20 Optimize real-time positioning module 3.1.3 Mar 7 Optimize the Wi-Fi network configuration logic. 3.1.2 Jan 22 Optimize the Wi-Fi network configuration process. 3.1.1 Jan 21 1. Optimized Bluetooth network configuration logic
2. Added Wi-Fi device refresh function 3.1.0 Jan 19 Optimize Bluetooth connection speed 3.0.9 Jan 12
DALY BMS version 4.1.2
Updated At: 2026-09-10
Changes: Version History Optimize Bluetooth data acquisition 4.1.2 1d ago Added historical curves and operation logs. 4.1.1 2d ago Added batch upgrade and parallel system monitoring. 4.0.9 Aug 24 Optimize the mechanism for handling weak and intermittent device signals. 4.0.4 Aug 10 Adapt to various languages and optimize device connectivity 4.0.3 Aug 6 Optimize QR Code Scanning and Operation & Maintenance Modes 4.0.2 Jul 28 Added Bluetooth search and QR code scanning for connection. 4.0.1 Jul 24 Simplify operations and optimize Bluetooth connectivity 4.0.0 Jul 15 Guide for New User Operations 3.21.5 Jun 12 Optimize Bluetooth communication functionality. 3.21.4 Jun 10 Optimize Bluetooth Connection 3.2.3 Jun 2 Optimized Bluetooth search and historical fault handling. 3.2.2 May 27 WiFi Network Configuration Compatible with the Latest Systems 3.2.1 May 20 Optimize WiFi Module Network Configuration 3.2.0 May 19 Optimize Bluetooth Display 3.1.9 May 14 1. Optimized Bluetooth connection data and reconnection mechanism
2. Added Equalizer 3.1.8 May 12 Compatible with small-screen devices 3.1.7 Apr 23 Optimized Engineering Mode and Real-time Data 3.1.6 Apr 8 Optimize Sleep Mode Settings 3.1.5 Mar 27 Optimize Platform Business Functionality 3.1.4 Mar 20 Optimize real-time positioning module 3.1.3 Mar 7 Optimize the Wi-Fi network configuration logic. 3.1.2 Jan 22 Optimize the Wi-Fi network configuration process. 3.1.1 Jan 21 1. Optimized Bluetooth network configuration logic
2. Added Wi-Fi device refresh function 3.1.0 Jan 19 Optimize Bluetooth connection speed 3.0.9 Jan 12
DALY BMS version 4.0.9
Updated At: 2026-09-03
Changes: Version History Added batch upgrade and parallel system monitoring. 4.0.9 Aug 24 Optimize the mechanism for handling weak and intermittent device signals. 4.0.4 Aug 10 Adapt to various languages and optimize device connectivity 4.0.3 Aug 6 Optimize QR Code Scanning and Operation & Maintenance Modes 4.0.2 Jul 28 Added Bluetooth search and QR code scanning for connection. 4.0.1 Jul 24 Simplify operations and optimize Bluetooth connectivity 4.0.0 Jul 15 Guide for New User Operations 3.21.5 Jun 12 Optimize Bluetooth communication functionality. 3.21.4 Jun 10 Optimize Bluetooth Connection 3.2.3 Jun 2 Optimized Bluetooth search and historical fault handling. 3.2.2 May 27 WiFi Network Configuration Compatible with the Latest Systems 3.2.1 May 20 Optimize WiFi Module Network Configuration 3.2.0 May 19 Optimize Bluetooth Display 3.1.9 May 14 1. Optimized Bluetooth connection data and reconnection mechanism
2. Added Equalizer 3.1.8 May 12 Compatible with small-screen devices 3.1.7 Apr 23 Optimized Engineering Mode and Real-time Data 3.1.6 Apr 8 This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
Optimize Sleep Mode Settings 3.1.5 Mar 27 Optimize Platform Business Functionality 3.1.4 Mar 20 Optimize real-time positioning module 3.1.3 Mar 7 Optimize the Wi-Fi network configuration logic. 3.1.2 Jan 22 Optimize the Wi-Fi network configuration process. 3.1.1 Jan 21 1. Optimized Bluetooth network configuration logic
2. Added Wi-Fi device refresh function 3.1.0 Jan 19 Optimize Bluetooth connection speed 3.0.9 Jan 12 1. Added Bluetooth remote control function.
2. Optimized Bluetooth connection efficiency. 3.0.8 12/31/2025 1. Integration operation logs
2. Knowledge base templates
3. Historical alarm logs 3.0.7 12/15/2025
DALY BMS version 4.0.4
Updated At: 2026-08-21
Changes: Version History Optimize the mechanism for handling weak and intermittent device signals. 4.0.4 Aug 10 Adapt to various languages and optimize device connectivity 4.0.3 Aug 6 Optimize QR Code Scanning and Operation & Maintenance Modes 4.0.2 Jul 28 Added Bluetooth search and QR code scanning for connection. 4.0.1 Jul 24 Simplify operations and optimize Bluetooth connectivity 4.0.0 Jul 15 Guide for New User Operations 3.21.5 Jun 12 Optimize Bluetooth communication functionality. 3.21.4 Jun 10 Optimize Bluetooth Connection 3.2.3 Jun 2 Optimized Bluetooth search and historical fault handling. 3.2.2 May 27 WiFi Network Configuration Compatible with the Latest Systems 3.2.1 May 20 Optimize WiFi Module Network Configuration 3.2.0 May 19 Optimize Bluetooth Display 3.1.9 May 14 1. Optimized Bluetooth connection data and reconnection mechanism
2. Added Equalizer 3.1.8 May 12 Compatible with small-screen devices 3.1.7 Apr 23 Optimized Engineering Mode and Real-time Data 3.1.6 Apr 8 This update from Apple will improve the functionality of this app. No new features are included.
Optimize Sleep Mode Settings 3.1.5 Mar 27 Optimize Platform Business Functionality 3.1.4 Mar 20 Optimize real-time positioning module 3.1.3 Mar 7 Optimize the Wi-Fi network configuration logic. 3.1.2 Jan 22 Optimize the Wi-Fi network configuration process. 3.1.1 Jan 21 1. Optimized Bluetooth network configuration logic
2. Added Wi-Fi device refresh function 3.1.0 Jan 19 Optimize Bluetooth connection speed 3.0.9 Jan 12 1. Added Bluetooth remote control function.
2. Optimized Bluetooth connection efficiency. 3.0.8 12/31/2025 1. Integration operation logs
2. Knowledge base templates
3. Historical alarm logs 3.0.7 12/15/2025 Fix known issues online 3.0.4.1 11/25/2025
DALY BMS version 4.0.0
Updated At: 2026-07-24
Changes: Version History Simplify operations and optimize Bluetooth connectivity 4.0.0 Jul 15 Guide for New User Operations 3.21.5 Jun 12 Optimize Bluetooth communication functionality. 3.21.4 Jun 10 Optimize Bluetooth Connection 3.2.3 Jun 2 Optimized Bluetooth search and historical fault handling. 3.2.2 May 27 WiFi Network Configuration Compatible with the Latest Systems 3.2.1 May 20 Optimize WiFi Module Network Configuration 3.2.0 May 19 Optimize Bluetooth Display 3.1.9 May 14 1. Optimized Bluetooth connection data and reconnection mechanism
2. Added Equalizer 3.1.8 May 12 Compatible with small-screen devices 3.1.7 Apr 23 Optimized Engineering Mode and Real-time Data 3.1.6 Apr 8 This update from Apple will improve the functionality of this app. No new features are included.
Optimize Sleep Mode Settings 3.1.5 Mar 27 Optimize Platform Business Functionality 3.1.4 Mar 20 Optimize real-time positioning module 3.1.3 Mar 7 Optimize the Wi-Fi network configuration logic. 3.1.2 Jan 22 Optimize the Wi-Fi network configuration process. 3.1.1 Jan 21 1. Optimized Bluetooth network configuration logic
2. Added Wi-Fi device refresh function 3.1.0 Jan 19 Optimize Bluetooth connection speed 3.0.9 Jan 12 1. Added Bluetooth remote control function.
2. Optimized Bluetooth connection efficiency. 3.0.8 12/31/2025 1. Integration operation logs
2. Knowledge base templates
3. Historical alarm logs 3.0.7 12/15/2025 Fix known issues online 3.0.4.1 11/25/2025 1. Dark mode compatibility
2. Voltage acquisition fault optimization
3. Bluetooth screen device optimization
4. Parameter setting success and failure prompts
5. Added Bluetooth upload to cloud platform activation function
6. Added total runtime and power-on time usage 3.0.4 11/24/2025 Optimize battery string count display 3.0.3 11/08/2025 Optimize firmware upgrade process 3.0.2 11/03/2025 1. Added WIFI module
2. Adapted to V3.0 UI
3. Added maintenance mode 3.0.0 10/30/2025
DALY BMS version 3.21.5
Updated At: 2026-07-06
Changes: Version History Guide for New User Operations 3.21.5 Jun 12 Optimize Bluetooth communication functionality. 3.21.4 Jun 10 Optimize Bluetooth Connection 3.2.3 Jun 2 Optimized Bluetooth search and historical fault handling. 3.2.2 May 27 WiFi Network Configuration Compatible with the Latest Systems 3.2.1 May 20 Optimize WiFi Module Network Configuration 3.2.0 May 19 Optimize Bluetooth Display 3.1.9 May 14 1. Optimized Bluetooth connection data and reconnection mechanism
2. Added Equalizer 3.1.8 May 12 Compatible with small-screen devices 3.1.7 Apr 23 Optimized Engineering Mode and Real-time Data 3.1.6 Apr 8 This update from Apple will improve the functionality of this app. No new features are included.
Optimize Sleep Mode Settings 3.1.5 Mar 27 Optimize Platform Business Functionality 3.1.4 Mar 20 Optimize real-time positioning module 3.1.3 Mar 7 Optimize the Wi-Fi network configuration logic. 3.1.2 Jan 22 Optimize the Wi-Fi network configuration process. 3.1.1 Jan 21 1. Optimized Bluetooth network configuration logic
2. Added Wi-Fi device refresh function 3.1.0 Jan 19 Optimize Bluetooth connection speed 3.0.9 Jan 12 1. Added Bluetooth remote control function.
2. Optimized Bluetooth connection efficiency. 3.0.8 12/31/2025 1. Integration operation logs
2. Knowledge base templates
3. Historical alarm logs 3.0.7 12/15/2025 Fix known issues online 3.0.4.1 11/25/2025 1. Dark mode compatibility
2. Voltage acquisition fault optimization
3. Bluetooth screen device optimization
4. Parameter setting success and failure prompts
5. Added Bluetooth upload to cloud platform activation function
6. Added total runtime and power-on time usage 3.0.4 11/24/2025 Optimize battery string count display 3.0.3 11/08/2025 Optimize firmware upgrade process 3.0.2 11/03/2025 1. Added WIFI module
2. Adapted to V3.0 UI
3. Added maintenance mode 3.0.0 10/30/2025 1. Added a new charger module, compatible with Bluetooth versions
2. Automatically connect to Bluetooth by scanning a Bluetooth QR code 1.4.2 09/20/2025
DALY BMS version 3.2.2
Updated At: 2026-05-30
Changes: Version History Optimized Bluetooth search and historical fault handling. 3.2.2 2d ago WiFi Network Configuration Compatible with the Latest Systems 3.2.1 May 20 Optimize WiFi Module Network Configuration 3.2.0 May 19 Optimize Bluetooth Display 3.1.9 May 14 1. Optimized Bluetooth connection data and reconnection mechanism
2. Added Equalizer 3.1.8 May 12 Compatible with small-screen devices 3.1.7 Apr 23 Optimized Engineering Mode and Real-time Data 3.1.6 Apr 8 This update from Apple will improve the functionality of this app. No new features are included.
Optimize Sleep Mode Settings 3.1.5 Mar 27 Optimize Platform Business Functionality 3.1.4 Mar 20 Optimize real-time positioning module 3.1.3 Mar 7 Optimize the Wi-Fi network configuration logic. 3.1.2 Jan 22 Optimize the Wi-Fi network configuration process. 3.1.1 Jan 21 1. Optimized Bluetooth network configuration logic
2. Added Wi-Fi device refresh function 3.1.0 Jan 19 Optimize Bluetooth connection speed 3.0.9 Jan 12 1. Added Bluetooth remote control function.
2. Optimized Bluetooth connection efficiency. 3.0.8 12/31/2025 1. Integration operation logs
2. Knowledge base templates
3. Historical alarm logs 3.0.7 12/15/2025 Fix known issues online 3.0.4.1 11/25/2025 1. Dark mode compatibility
2. Voltage acquisition fault optimization
3. Bluetooth screen device optimization
4. Parameter setting success and failure prompts
5. Added Bluetooth upload to cloud platform activation function
6. Added total runtime and power-on time usage 3.0.4 11/24/2025 Optimize battery string count display 3.0.3 11/08/2025 Optimize firmware upgrade process 3.0.2 11/03/2025 1. Added WIFI module
2. Adapted to V3.0 UI
3. Added maintenance mode 3.0.0 10/30/2025 1. Added a new charger module, compatible with Bluetooth versions
2. Automatically connect to Bluetooth by scanning a Bluetooth QR code 1.4.2 09/20/2025 1. Compatible with JHB battery type linkage
2. Compatible with the third generation home storage board 1.4.1 09/01/2025 1. Optimized the serial and parallel interface
2. Detected spaces in the Bluetooth upgrade code
3. Added short-circuit current and short-circuit switch
4. Fixed the issue where the Bluetooth version number was not displayed
5. Improved the 4G module parameter setting range
6. UI adjustments 1.4.0 08/30/2025 1. Optimized forced restart logic
2. Multi-language compatibility
3. Optimized Bluetooth screen connection 1.3.8 08/10/2025
DALY BMS version 3.1.3
Updated At: 2026-03-07
Changes: Optimize real-time positioning module
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