Solar Inverter Sizer NEC 690
Solar Inverter Sizer NEC 690 is made and published by ZkDev. AppBrain is an independent app data site and isn't affiliated with ZkDev. The app name, icon, screenshots and description belong to ZkDev and are shown as published on Google Play.
AppBrain's verdict
Niche- Total installs
- 29
- Last updated
- September 16, 2026
Solar Inverter Sizer NEC 690 is a niche app, with 29 installs. It doesn't have enough ratings yet to judge what users think.
Installs
Tracked by AppBrain- Last 30 days
- 6
- Play install range
- 10+
- Launched
- September 2026
Installs over time
Solar Inverter Sizer NEC 690 has been installed 29 times. Over the past 30 days, it has been installed 6 times.
Rankings
Google Play top chartsGoogle Play Rankings for Solar Inverter Sizer NEC 690
Competitors
Similar apps and more from ZkDevAlternatives to Solar Inverter Sizer NEC 690
More from ZkDev
Releases
Updates seen on Google Play- Version
- 1.0.3
- Launched
- September 2026
User feedback
Ratings and reviews on Google PlayComments on Solar Inverter Sizer NEC 690 for Android
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Technology
Found in the app by AppBrain- Ads
- Contains ads
- Price
- Free
- Libraries
- ?
- App size
- 20.9 MB
- Content rating
- Everyone
Technologies used by Solar Inverter Sizer NEC 690
About the app and developer
About Solar Inverter Sizer NEC 690
Solar Inverter Sizer NEC 690 is a tools app developed by ZkDev.
Install Statistics
Solar Inverter Sizer NEC 690 has been installed 29 times. In the last 30 days, the app was installed 6 times.
User Ratings
The app has no ratings yet.
App Information
Solar Inverter Sizer NEC 690 is freely available from Google Play. The app size is 20.86 MB. The latest version available is 1.0.3. The last update was on September 16, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play since September 2026.
App Performance Report
Get a detailed PDF report for Solar Inverter Sizer NEC 690 with download trends, rating history, and key performance statistics — useful for competitive research or tracking your own app. Learn more
Get PDF Report — $29Developer information for ZkDev
Frequently asked questions about Solar Inverter Sizer NEC 690
Is Solar Inverter Sizer NEC 690 free?
Yes. Solar Inverter Sizer NEC 690 is free on Google Play.
Is Solar Inverter Sizer NEC 690 still available?
Yes. Solar Inverter Sizer NEC 690 is on Google Play, and the last update we saw was on September 16, 2026.
Does Solar Inverter Sizer NEC 690 contain ads?
Yes. Google Play lists Solar Inverter Sizer NEC 690 as containing ads.
How large is Solar Inverter Sizer NEC 690?
Solar Inverter Sizer NEC 690 is 20.86 MB.
Is Solar Inverter Sizer NEC 690 suitable for children?
Google Play rates the content of Solar Inverter Sizer NEC 690 as suitable for everyone.
How many times has Solar Inverter Sizer NEC 690 been installed?
Google Play lists 10+ installs for Solar Inverter Sizer NEC 690.
Who made Solar Inverter Sizer NEC 690?
Solar Inverter Sizer NEC 690 was developed by ZkDev. It is listed in the tools category on Google Play.
What are the best alternatives to Solar Inverter Sizer NEC 690?
People looking at Solar Inverter Sizer NEC 690 also look at these tools apps: Smart Solar, Electrical Calc Elite NEC Code, Electric Toolkit - Home Wiring, SolarCalc Pro - Solar PV Calc, SolarCalc - Solar PV Calc.
Store listing
By ZkDev, from Google Play“Size solar inverters by NEC 690.7(A) max input voltage limits.”
Description by ZkDev Written by the developer, not by AppBrain. Click to read.
# What it does
Calculates maximum input voltage and current for grid-tied and hybrid solar inverters per NEC 690.7(A) using cold-temperature Voc correction.
# Features
- Module Voc and Vmp inputs
- Series module count per string
- Cold-temperature voltage correction (NEC 690.7)
- Vmp at high temperature for MPPT range
- Inverter max input voltage check
- Imax = array Isc x 1.25 (NEC 690.8(A)(1)) vs inverter max DC input
- Multiple string configurations
- PASS / FAIL inverter compatibility
# Made for
Solar installers, PV system designers, NABCEP candidates, EPC engineers, code inspectors.
# Optional Pro Upgrade — $2.99 one-time
The following features require a separate one-time in-app purchase. They are not required to use the calculator:
- Calculation history (saved & searchable)
- PDF report export with NEC references
- Dark theme
- Ad-free experience
Recent changes:
Added a link to TradeTools — the one-app version of this calculator and 61 more, for HVAC, electrical, plumbing, fire protection, solar and carpentry. Nothing else changed.