Apps by Hardkorr
HK Battery app icon

Utilities

HK Battery

Hardkorr

Free download In-app purchases unconfirmed
Open on Apple

About this app

This free app allows you to view detailed diagnostic information for your Hardkorr Bluetooth-enabled deep cycle batteries. You can access a range of useful information including: State of charge Nominal voltage and capacity Live current draw and battery voltage Status (standby, discharging, charging) Warnings and errors (short circuit, over- and under-temp, over- and under-voltage) Total charge cycles Temperature Detailed cell information Supported products include: HKPBATL135B (135Ah Lithium Deep Cycle Battery) HKPBATL135BH (135Ah Lithium Deep Cycle Battery with Heat Film) HKPBATL240B (240Ah Lithium Deep Cycle Battery) HKPBATL240BH (240Ah Lithium Deep Cycle Battery with Heat Film)

Latest release

What’s New

Version 1.1.4 Mar 24, 2025

fix bugs

Audience growth

Ratings growth

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
0 ratings
0 Sep 3, 2026 · 0 ratings Sep 3, 2026

Baseline captured. Growth appears after the crawler observes a changed rating count.

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

Price tracking

Price intelligence

1 captured event
Current Free
Historical low Free
Paid → free 0×
Price history
Current Free
Free Sep 3, 2026 · Free Sep 3, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Sep 3, 2026 · 2:32 AM Free

Screenshots

HK Battery iPhone screenshotHK Battery iPhone screenshotHK Battery iPhone screenshotHK Battery iPhone screenshot