Power King Pro
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Everything Power King can do, on your phone:
- Low-battery alerts, plus alerts for a full charge, power cuts, heat and weak cells
- Watching in the background, with the home-screen widget and totals for several units
- A wall display: a spare tablet shows every unit, day and night
- Every cell's voltage, and the cell check
- Load and capacity tests
- History, solar tracking and battery health over the months
- Your data exported to spreadsheets (CSV)
- Health reports to share or save as a PDF
- Every value the unit reports
7 days free, then US$10 a year
Tax included. Cancel before the 7 days are up and you pay nothing.
Renews every year at the same price until you cancel. Link, Stripe's payment service, sells Pro, sends your receipts and lets you cancel anytime.
Start it on the phone that has Power King, and Pro switches on by itself. One subscription is Pro on one phone at a time.