44 minutes and 375 screws laterMr. Susczewicz is a complete natural and has already armed himself with multiple screw cartridges. Row after row he works toward his lunch break.
The first battery quits after exactly 44 minutes continuous operation and it is replaced with the next battery, waiting in the charging station. Result of one battery charge: 15 cartridges with 25 screws each.
With the second battery we continue quickly. Several magazines later: Mr. Bitter signals a few times the arrival of lunch break. But Mr. Susczewicz cannot be stopped. We signal that we would like to fasten the rest of the roof ourselves - and this argument works.
Finishing time for the cordless screwdriver: The last side lap screw has been installedNow our colleagues take the EJOFAST JF screw driver and finish the job. A few hours ago we started in the middle of the roof and now the finish line is very close. After 42 minutes the third battery is dead. We quickly recharge and the two colleagues are almost done. The work with the EJOFAST JF screw driver seems to be very easy which might be due to the fact that is only weighs a few kilogrammes.
In the afternoon the last JF3 side lap screw has been set and we can call it a day. Conclusion: The practical test was very successful, the running time of the four lithium-ion batteries was also convincing and is a real alternative to the three-phase current tools.