# YaWatt — Smart PV, Storage Management

> Smart PV, Storage Management (iPhone/iPad app by Xingxue Chen.)

- Source: https://appshunter.io/ios/app/yawatt/id6756919027 (this page in markdown: same URL + `.md`)
- Developer: [Xingxue Chen](https://appshunter.io/developer/1840345077)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 49 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2025-12-24
- Data updated: 2026-06-08
- User reviews in markdown: https://appshunter.io/ios/app/yawatt/id6756919027/reviews.md

## What is YaWatt?

YaWatt brings real-time monitoring, control and intelligent scheduling to PV, battery storage and diesel-hybrid systems. Designed for residential and commercial deployments, YaWatt helps you maximize solar usage, protect batteries, and manage diesel backup efficiently.

Key features:

- Live energy flow visualization: See PV, grid, load and battery flows in an intuitive chart.
- System status and alerts: Get notified on thresholds (temperature, SOC) and critical device alarms.
- Storage scheduling: Create time-based charge/discharge plans to optimize energy cost and efficiency.
- Diesel generator strategy: Configure auto-start/stop SOC thresholds and generator power settings.
- Firmware & device management: View firmware versions and device telemetry in one place.
- Emergency stop: Safely stop devices from the app (requires device connectivity).
- Multi-device overview: Dashboard and detailed views for every site.


## Version history (last 5 releases)

### 1.0.9 — 2026-03-18

- Improved UI, bug fixes and performance improvements.

### 1.0.8 — 2026-03-09

- Improved UI, bug fixes and performance improvements.

### 1.0.7 — 2026-01-21

- Improved UI, bug fixes and performance improvements.

### 1.0.6 — 2026-01-07

feat: enable tablet support

### 1.0.5 — 2025-12-24

No release notes.

## Related topics

[yawatt](https://appshunter.io/ios/topics/yawatt)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-08.*