Battery Helper

Your last meter photo

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Add a photo of the meter to start.

Take a photo of the meter and I will work out the rest.

Your battery

your battery the weather's range the average

More about this chart

Hour by hour — the detail

Generator options

📷 Take a photo of the meter

Good to know

Tip: add this page to your Home Screen — tap Share, then "Add to Home Screen".

Check the numbers

Check that these match the meter screen. Fix any that are wrong, then tap Save.

Fast way: paste the numbers from the photo

Open the photo in your Photos app. Press and hold the numbers, tap Copy. Then paste here.

When was this photo taken? Battery percent (the big number, top right) Battery left (the number in the battery picture, on the left) Volts Amps (just the number)

Watts

The generator is running

The meter was unplugged since the last full charge

Past readings