Comparison

TK Smart Battery vs Astro Lithium

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

TK Smart Battery

Features
Read full description

The smart battery pack has a built-in remote bluetooth module, which connects to the mobile phone via bluetooth to the app, and the app can read the following information: 1. The working status of the battery pack: charging point, discharging, working voltage, current, temperature, remaining power, etc.; 2. Protection information such as overvoltage, undervoltage, overcurrent, and overtemperature; 3. The number of battery cells, the voltage and release of each battery cell; 4. Hardware short-circuit and delay, equalized turn-on voltage; 5. Threshold setting of remaining power and temperature reminder, below the set threshold, you will receive a reminder; 6. The battery charging converter can be controlled;

About

Astro Lithium

Monitor your Astro Lithium battery status in real time via Bluetooth. View state of charge, voltage, current, temperature, and estimated runtime. Receive smart alerts and manage multiple batteries.

Highlights
  • Real-time battery monitoring
  • Estimated runtime calculation
  • Smart status alerts
  • Multi-battery support
  • Troubleshooting guides
  • Dealer locator
Features
Read full description

Monitor your Astro Lithium battery in real time from your phone. Connect to any Astro Lithium battery via Bluetooth and instantly see your state of charge, voltage, current, temperature, power output, charge cycles, and estimated runtime remaining. FEATURES Real-Time Monitoring: See voltage, current, temperature, power, and state of charge updated live every two seconds. Estimated Runtime: Know how much battery life you have left. Uses a rolling average to give you a stable estimate even with variable loads like trolling motors. Smart Status Alerts: The app tells you exactly what your battery is doing. Idle, charging, discharging, fully charged, or low battery. If a protection event occurs, you get a plain-language explanation of what happened and what to do. Multi-Battery Support: Connect to multiple Astro Lithium batteries at once. Name each one (Trolling Motor, House Bank, etc.) so you always know which is which. Works With All Astro Lithium Batteries: Compatible with all bluetooth enabled Astro Lithium systems across our entire 12V, 24V, 36V, and 48V lineup. Built-In Support: Access troubleshooting guides, product manuals, dealer locator, and contact us directly from inside the app. Designed and built by Astro Lithium in Macclenny, Florida.​​​​​​​​​​​​​​​​

Screenshots

TK Smart Battery3 screens
Astro Lithium3 screens

Verdict

The call

The clearest difference is update cadence: TK Smart Battery at every 6 weeks against Astro Lithium's every 5 months. TK Smart Battery also leads on iOS requirement (9.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

TK Smart Battery ships an update every 6 weeks, Astro Lithium every 5 months. The most recent releases landed on May 15, 2026 and September 20, 2026 respectively.

Scorecard2 real differences · 7 level
TK Smart Battery versus Astro Lithium: the parameters behind the verdict, then further details
ParameterTK Smart BatteryAstro Lithium
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 6 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better15.0
Further details — not scored
Size30 MB17 MB
Age rating4+4+
Developer应刚 郑Astro Lithium, LLC

In-app purchases

None

TK Smart Battery

No in-app purchases

None

Astro Lithium

No in-app purchases

Questions

Is TK Smart Battery free?
TK Smart Battery is free to download, with no in-app purchases.
Is Astro Lithium free?
Astro Lithium is free to download, with no in-app purchases.
Do TK Smart Battery or Astro Lithium have ads?
Neither TK Smart Battery nor Astro Lithium shows ads.
Which is updated more often, TK Smart Battery or Astro Lithium?
TK Smart Battery ships an update every 6 weeks, and Astro Lithium every 5 months. Most recently, TK Smart Battery was updated on May 15, 2026 and Astro Lithium on September 20, 2026.

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