Taka odpowiedz na WUSie: ''I’ve only charged my GPRs once using the wired charger. I’ve used the GPS on the high setting for all-day stretches, and ordinary-use solar charging always gets my GPRs back to full.'' https://forums.watchuseek.com/f17/next-new-rangman-gpr-b1000-%3D%3D%3D-800%24-4592415-124.html#post46802467 Zobaczymy, moze jeszcze ktos cos doda. Edit: Jest juz druga opinia: Originally Posted by javylsu I’ve only charged my GPRs once using the wired charger. I’ve used the GPS on the high setting for all-day stretches, and ordinary-use solar charging always gets my GPRs back to full.Similar, here the solar panel seems capable of recharging the watch relatively fast, as long as the conditions are good. If you were to continuously run the GPS it would obviously take it's toll, especially in poor conditions. Casio have always been very conservative with battery life, deferring to worst case scenario's, rather think the same applies to the GPS Ranger.