Firmware

Latest firmware version download

EVC1xx V1.16.2 | 2026.05.01

• New features and settings
  • Added new solar charging modes for Dynamic Load Management, including Solar Only, ECO, and Hybrid modes.
  • Added Dynamic Load Management support for Delta grid installations.
  • Expanded Modbus meter support with additional Eastron and ABB meter models.
  • Added installer setting for IT grid voltage sampling.
• Bug fixes and improvements
  • Improved charging session recovery, troubleshooting logs.
  • Improved solar charging and charging session reporting, including ECO mode synchronization and charging session energy graph accuracy.
  • Improved Bluetooth and OCPP communication stability, including charging profile handling and tamper event reporting.
  • Improved mobile notification handling.
  • Improved firmware update stability when updating from older firmware versions.
  • Improved Modbus map handling for new meter and diagnostic parameters.
  • Improved troubleshooting logs for solar charging modes.

Previous firmware versions download

Here you can see all the previous firmware versions:

Previous FW versions	Legacy firmware version*	Firmware version	Release date	Whats new?
1.15.4	TeltoCharge-v1.15.4		January 8, 2026	Release note
1.15.2	TeltoCharge-v1.15.2		November 24, 2025	Release note
1.14.7	TeltoCharge-v1.14.7		May 19, 2025	Release note
1.13.9	TeltoCharge-v1.13.9		September 10, 2024	Release note
1.12.8	TeltoCharge-v1.12.8		August 05, 2024	Release note
1.11.6	TeltoCharge-v1.11.6		February 01, 2024	Release note
1.10.9	TeltoCharge-v1.10.9		October 23, 2023	Android 14 optimization
1.10.7	TeltoCharge-v1.10.7		October 23, 2023	Release note
1.9.6	TeltoCharge-v1.9.6		September 18, 2023	Release note
1.9.5	TeltoCharge-v1.9.5		August 31, 2023	Release note
1.8	TeltoCharge-v1.8.11		July 3, 2023	Release note
1.7	TeltoCharge-v1.7		May 22, 2023	Release note
1.6.0	TeltoCharge-v1.6		Mar 1, 2023	Release note
1.5	TeltoCharge-v1.5		Dec 22, 2022	Release note
1.4	TeltoCharge-v1.4.3L	TeltoCharge-v1.4.2	Oct 7, 2022	Release note
1.3	TeltoCharge-v1.3.12L	TeltoCharge-v1.3.12	Sep 28, 2022	Release note
1.2	TeltoCharge-v1.2.10		Aug 8, 2022	Release note
1.1	TeltoCharge-v1.1.12		Jun 6, 2022	Release note
1.0	TeltoCharge-v1.0.7		Apr 25, 2022
Other	TeltoCharge-v1.0.4		Apr 22, 2022

Legacy firmware version* - TeltoCharge fw version which was used for chargers before mass production (these chargers are using same hardware, it's only related to separation). These type of chargers can only be updated to legacy FW version. From 1.5 version it is fixed and you won't need to keep this in mind.

How to check your firmware version?


1. Go to Teltonika Energy app settings, scroll down and press Device info;
2. Press Check for updates;
3. At the top, current firmware version can be found.



How to update firmware automatically?

The product utilizes FOTA update services (HTTP/HTTPS client).
1. To update firmware, click on the main window bar Click to update option;
2. You will be automatically transfered to Updates window .
3. Choose to Update Firmware from firmware available on server.
4. Do not close Teltonika Energy app and stay in bluetooth range while update ends.



How to update firmware manually?

1. To update firmware manually, first of all, download firmware file from this page to your mobile phone which is paired with your TeltoCharge;
2. Go to Teltonika Energy app settings, scroll down and press device info, then press Check for updates;
3. Browse file and select latest firmware version which was downloaded;
4. Press Upload firmware;
5. Do not close Teltonika Energy app and stay in bluetooth range while update ends;