App Support

Battery Runtime Pocket

Offline 12V battery runtime worksheet for amp-hours, usable depth, load watts, inverter loss, reserve time, and battery-count planning.

Support email: yangguangwin@icloud.com

Launch scope

FAQ

Does it work offline?
Yes. The launch build performs its core workflow on device.

Does it collect my data?
No. The launch build does not include ads, analytics SDKs, cloud sync, or remote account storage.

How do I report an issue?
Email the support address with your device model, iOS version, app version, and the steps you used before the issue appeared.

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