this log is from 06:15 PST, lower outside temperature than last night and the lowest I've yet seen. The battery is a bit lower but still healthy given that it is running about 14 hours without a solar recharge.
4095.670 KHz Desert Whooper. S9+ signal on KFS SE kiwi SDR, BAT 12.7 OTMP 36 ITMP 43 PV 0
this log is from 08:32 PST and the battery appears to be fully charged.
4095.670 KHz Desert Whooper. S6+ signal on KFS SE kiwi SDR, BAT 13.8 OTMP 38 ITMP 48 PV 5