SAFETY NOTICE

The safety of our users is our top priority.

Below you will find all the latest safety information regarding e-Fin JAYKAY e-Fin .0.

1. Product Safety Recall (JULY 2026)

- Only certain serial numbers are affected -
Es
Es a limited number of older devices manufactured by our former production partner. 

Please note that a precautionary inspection is required for a limited number of e-Fin .0 products (serial numbers beginning with 18-1-0225, 18-1-0425, 18-1-1124, 18-1-0724, 18-1-0824).  

❗ATTENTION: A precautionary ban on use and charging is now in effect for the affected devices.

Is youre-Fin ? 

Please verify your serial number on our verification platform immediately. All unaffected serial numbers can continue to be used without restriction.

Finne 1 is not affected by this.

2. Replacement Charger (February 2026)

.

During prolonged storage, there is a risk of a battery becoming deeply discharged. A deeply discharged battery must not be recharged, as this poses an increased fire risk. To address this, we have developed a new charger that, among other things, detects whether the battery is deeply discharged. Please charge your e-Fin .0 only with the new, smart charger.
The e-Fin 1 is not affected by this.