Important Announcement
For users of Bluetooth 4.x smartphones, we would like to remind you that you may experience slower response times and communication abnormalities.
To ensure a better user experience, we recommend considering upgrading your smartphone to a newer model that supports Bluetooth 5.0 or a more recent version.
These new smartphones come with more powerful Bluetooth capabilities, providing more stable and faster communication.


The eRacingBattery APP is a platform provided by aRacer for monitoring and adjusting racing battery. It offers data monitoring, function switching and data recording etc.

The eRacingBattery has built-in powerful features, including:

1. Individual cell voltage and total voltage monitoring.
2. Current monitoring.
3. Over-voltage, over-current, and short circuit protection.
4. Protection status monitoring (fault codes, cell protection, balancing).
5. MOS temperature, mainboard temperature, and shunt temperature monitoring.
6. LED indicator lights (Bluetooth connection: blue flashing, Touch indication: steady blue).
7. Battery state of charge (SoC).
8. Touch wake-up function (to wake up from ECO mode).
9. ECO/BOSS mode.

Please note the following:

Before using the product, please carefully read this user manual and ensure that you fully understand and comply with the instructions. The company will not be held responsible for any damages resulting from improper use of the product contrary to the instructions provided in this manual.

Do not place the battery near a fire source or in an environment with temperatures exceeding 60 degrees Celsius to avoid overheating or safety issues.

Do not place the battery in locations where it may be splashed or exposed to water or saltwater to prevent damage or short circuits.

Do not short-circuit the positive and negative terminals of the battery to avoid excessive current and battery damage.

Do not reverse the positive and negative terminals of the battery with the device to prevent incorrect current flow and damage to the device.

Do not disassemble or modify the battery, as this may result in battery damage, leakage, or the release of hazardous substances. Please dispose of the battery properly by handing it over to professionals.

If you notice abnormally high temperature, unusual odor, or fire from the battery, immediately stop using the battery and seek professional assistance to prevent potential hazards.

Unless the product itself has manufacturing defects, the company will not be held responsible for any damages caused by the product's improper use contrary to the instructions provided in this manual.