The lithium battery capacity is 400mAh. The charging current is 200mA. It takes approximately 2.5 hours to fully charged in case of a dead battery, regardless of the power of the charger.

Due to the demanding conditions of use, it was necessary to remove all connectors. SKIFI and locator have an integrated system for wireless charging, thus it is possible to achieve perfect waterproofness. Charging can be done with any wireless charger that supports the Qi (WPC) standard. The maximum charging current is 200mA, regardless of the power of the charger.

Classic lithium batteries suffer from a capacity loss at low temperatures, at -10°C

the battery capacity drops ~17%, at a temperature of -20°C the drop is already ~40%. However, the remaining capacity is sufficient for SkiFi’s functionalities.

completely discharging the battery to the fullest, reduces its capacity, e.g. if the battery is discharged regularly to 0%, it will have 80% of its original capacity after 300 cycles

if the battery is operated between 20-100% charge, it will have 90% original capacity after 600 charge cycles.

Charge the battery to ca. 80% and store the module in a dry place by room temperature. A module that has not been used for a long time must be placed on the charger at least once a year.

Fully charged SKIFI can last up to 350 hours in -10°C frosts in operating mode, 300 hours in lock mode, 80 hours of active tracking, and 17 hours of searching (including visual and acoustic signals).


SkiFi composes data from the accelerometer, gyroscope and magnetometer trajectory of both skis. Thanks to this information, we measure the angle of the slope, the direction of the skis, the speed,  the radius of the arc, the overload in the arc and the additional load of the slope.

Tracking data can be used to assess each leg's load and help improve the ascent technique. SkiFi measures the length of the stride, the length of the glide, speed in relation to the angle of the slope,  excessive lifting of the ski, and backward movements (sliping).


If a ski is buried ski 20-40 cm (0,75-1,5 feet) deep then the reach is approx 10m (30 feet). However, it always depends on the snow condition, the type of phone and the way the phone is held (do not cover the phone antenna with your fingers) Therefore, the reliable range is set at 10m. If the ski is not deeply buried, the range of the phone might be higher than 20m

Standard is pairing through the application. Modules periodically broadcast their advertisement packet which the application detects and allows SKIFI to pair. On one phone, you can pair 2 SKIFIs.


It contains two antennas that enable the Angle of Arrival search function, the angle from which the signal arrives is then displayed on a display.  The search range is between 100-150 m. The locator can be used as a remote control for starting the siren or locking the skis at the same time. The locator provides feedback to the user on searching status using changing vibrations. Strong vibrations can be felt even through the insulated glove.


If a situation occurs where your skis are locked and you move far enough away from them that it is no longer possible to hold two-way connection, SKIFI will switch to advertisement mode and start broadcasting one-way advertisement package with significantly higher performance. The phone is then able to receive warning messages even from a distance of 100 meters. If the skis are moved, the application will inform you. In this mode, however, it is not possible to control the SKIFI module, after returning to the vicinity of the skis, a bidirectional connection is set in motion.

If your skis are locked in the rack, SKIFI periodically checks if the position of the skis has changed. If the skies fall or another skier drops them, an alarm will not be triggered. SKIFI contains algorithms, which trigger an alarm only if the skis are tampered with for the purpose of theft. Resistance to minor changes can also be turned off.

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