Solar Inverter Sizer NEC 690

Name: Solar Inverter Sizer NEC 690
Author: ZkDev

LiveZkDev57 apps · 26.1K installsToolsFree · contains adsIn-app purchases: $2.99 per itemcom.solartools.invertersizing

Size solar inverters by NEC 690.7(A) max input voltage limits.

Alert me ★ Watch Open in Play ↗

Total installs: 28
Installs / day: 0
Rating: —★
Released: 9 May 2026
Last update: 16 Sept 2026
Countries: —

Installs per day

gain of the exact counter

Daily tracking since 10 Oct 2026 · history grows every day

Install history

exact counter from Google Play

2dAll

Dashed: estimate from the release date (no daily data before 10 Oct 2026) · time axis compressed before that day

Daily tracking since 10 Oct 2026 · history grows every day

Change timeline

Full history

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

App manifest

Read this app's manifest from Google Play: permissions, declared SDKs, components and AdMob app ID. Saved analysis appears here automatically.

Data safety

declared by the developer on Google Play

No data shared with third parties
No data collected

This is the developer's own declaration, summarised from the Play listing. The permissions below show what the app is technically able to access.

Permissions

4 in 1 group

0 Sensitive1 Notable3 Routine

OtherNotable4

Access to miscellaneous device features that don't fit other categories

Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET
Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE

Read more · all 4 permissions Show less

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Download

Full description

Solar Inverter Sizing per NEC 690.7(A) # 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

What's new

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.

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