Jump start battery test cranking and charging test Lokithor JT400 Best tool 2025 #jumpstarter
We review the Lokithor JT400 Jump starter. It also features full battery testing, crank and charging test. BONUS feature is the bluetooth app!
Not a paid review. Want to see the original J400 used on a motorcycle? Watch the original video: https://youtu.be/9W8VYp3mjfg
JT400 purchase link: https://amzn.to/4oldKVv
Carry case: https://amzn.to/3Jjq88f
Lokithor store: https://amzn.to/3UJgezd
Chapters:
0:00 I was wrong
1:04 Intro and new model comparison
3:51 How to download the Bluetooth App and connect
5:22 How to use the headlight feature
5:34 Power on/off and more feature info
9:13 Wrong Polarity connection protection
10:28 Load testing a battery on the bench
12:07 Jump start with and without the app demo
13:14 Demo on how to charge the JT400
13:53 Load testing a battery in the vehicle
14:50 Cranking test
15:39 Charging test
16:45 User manual in the app
17:01 Real Time Voltage graph
18:15 Summary What tools does the JT400 replace for these all in one tests?
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Helpful Info:
Here’s a quick breakdown of what’s new in the JT400 compared to the J400 — it’s essentially an upgraded version with added features and smarter diagnostics:
1. Key Differences – JT400 vs. J400:
Built-In Bluetooth Battery Tester (JT400 Only)
JT400 includes a professional-grade car battery & alternator tester (100–2000 CCA) that works via Bluetooth with a mobile BattGuard app.
It provides detailed diagnostics like SOH, SOC, voltage, current, and cranking test results.
The J400 doesn’t include this function.
2. Mobile App Integration (JT400 Only)
JT400 connects to a mobile app via Bluetooth 5.3, allowing real-time battery health monitoring.
J400 has a smart digital screen but no app connectivity or testing functions.
3. USB Charging Port & Flashlight Differences
JT400 has a 200-lumen LED flashlight with 6 modes (100%, 50%, 10%, Blink, SOS, Strobe).
J400 offers a brighter 300-lumen flashlight with 3 modes.
Both models act as a power bank, but JT400 has broader multifunctionality with the tester feature.
4. Broader Battery Compatibility (JT400)
JT400 supports multiple battery types: AGM, GEL, EFB, etc., and several international testing standards (CCA/EN/SAE/DIN/IEC).
J400 is focused purely on jump-starting, without detailed support for battery testing.
5. Same Core Jump Start Power
JT400: 2500A peak, 8.5L gas / 6.5L diesel
J400: 2000A peak, 8.0L gas / 6.0L diesel
Both can perform up to 25 starts per charge and are built with ConnectMax tech for reliable connections.
6.
The professional-grade battery tester and Bluetooth app integration
The fact that it's not just a jump starter, but also a diagnostic tool
That it's ideal for cold starts or long-term reliability
JT400: https://www.amazon.com/dp/B0DGKN1MC5
JC400: https://www.amazon.com/dp/B0CR1B6KX3?th=1