Solar panel · Boston

81%

Battery

8 min ago

I have a solar-powered website at solar.dri.es (mirror). It runs on a Raspberry Pi with a solar panel on our roof deck.

Every 10 minutes, the Raspberry Pi updates this status page. This page is hosted separately, so if my solar-powered website goes offline due to an extended lack of sunlight, cold preventing the battery from recharging, or a system crash, you should be able to see that here.

Battery
81%
Day or night
Night
Charging
Not charging - no sunlight
WiFi
Good
Solar system uptime
112 days
Raspberry Pi uptime
0 days
More details
Charge stage
Not charging
Battery voltage
13.2 V
Battery current
-0.08 A
Battery cutoff voltage
11.2 V
Battery restart voltage
12 V
Power supply
1.26V (normal)
CPU usage
0%
Memory usage
50%
Disk usage
3%
CPU temperature
41°C (normal)
Outdoor temperature
12°C

Hourly battery charge

Each row is a day and each square is an hour. The deeper the red, the lower the charge; grey means the Raspberry Pi was offline.

LowFullOffline
Battery capacity by hour Aug 16 Aug 15 Aug 14 Aug 13 Aug 12 Aug 11 Aug 10 Aug 9 Aug 8 Aug 7 Aug 6 Aug 5 Aug 4 Aug 3 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

Daily battery levels

Each day's highest and lowest charge. It helps track trends and the risk of the Raspberry Pi shutting down from insufficient sunlight or extreme cold.

Daily highDaily lowDanger zone
Battery high and low by day 0% 20% 40% 60% 80% 100% Jun 17 Jun 29 Jul 11 Jul 23 Aug 4 Aug 16