Vitals Master ST-400 (162973)
 | Outdated Product Device: charger & jump starter; Type: inverter; Battery voltage: 12 В; 24 В; Nom. starting power (A): 200; Battery capacity 12V (Ah): 20 – 400; voltmeter; ammeter; USB-A: USB-A (fast charge): USB-C: Power source: 230 В; Power consumption (start) (kW): 0.5; Size (mm): 420x270x260; Weight (kg): 6.5 |
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starter-charging, inverter, on battery: 12 В, 24 V, capacity 4 – 550 Ah, WET/EFB (Lead-Acid), AGM, charging current: up to 50 А, stepless adjustment, desulfation, launcher up 300 А, weight 24.5 kg
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starter-charging, transformer, on battery: 12 В, 24 V, capacity 40 – 700 Ah, WET/EFB (Lead-Acid), charging current: from 40 А, up to 60 А, stepwise, launcher up 160 А, 240x270x560 mm, weight 14 kg
starter-charging, transformer, on battery: 12 В, 24 V, capacity 50 – 800 Ah, WET/EFB (Lead-Acid), charging current: from 50 А, up to 75 А, stepwise, launcher up 360 А, 405x315x615 mm, weight 23 kg
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starter-charging, transformer, on battery: 12 В, 24 V, capacity 50 – 1000 Ah, WET/EFB (Lead-Acid), charging current: up to 65 А, launcher up 360 А, weight 20.2 kg
starter-charging, transformer, on battery: 12 В, 24 V, capacity 50 – 1200 Ah, WET/EFB (Lead-Acid), charging current: up to 70 А, launcher up 400 А
starter-charging, transformer, on battery: 12 В, 24 V, capacity 20 – 375 Ah, WET/EFB (Lead-Acid), AGM, GEL, charging current: from 5 А, up to 25 А, auto-adjustment, desulfation, launcher up 165 А, 425x255x255 mm, weight 15 kg
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E-Catalog UK editor, Chargers & Jump Starters
Volodymyr Ilienko, edited 01.11.2024
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Vitals 2026 - new arrivals, bestsellers, and the most relevant models Vitals.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Vitals 2026 - new arrivals, bestsellers, and the most relevant models Vitals.
Model overview based on user reviews
Vitals Master ST-400 is a versatile starter-charger for 12 V and 24 V batteries, with support for WET/EFB, AGM and GEL types. Users report that it can start vehicles, including a diesel in winter, and works as a charger. The main drawbacks are constant fan noise and inconsistent access to the full 40 A charging current, although one user achieved 40 A with a different battery.
Pros
Cons
Updated review below from October 28, 2025 I managed to achieve a 40A charging output on someone else's battery, on Titanate. I haven't figured out yet how to replicate this on my LFP; perhaps a deeper, stronger discharge is needed...  Buggati Auston: use Vitals Master ST-400 more than year |
As a starter, it's basically okay. It came in handy once for a diesel in winter. And for a couple of other cars when the battery was dead or initially weak. As a charger, it basically works too, but not at 100%.. I could not figure out how to make it deliver all 40A for charging. Judging by the clamps, it outputs 19-22 for sure, but not higher. Even the screen at that moment showed only 20.1… I tested it with both Gel 250Ah, LFP 300Ah, and just a lead-acid battery - to no avail. I even tried giving it completely discharged batteries. 22A seems to be the limit… Maybe there's an error in the specs, no idea. But the weird thing is, I saw a video on YouTube from the manufacturer where it really pumped 40A… Excellent jump starter for the price/quality ratio. Not a bad charger. Still couldn't achieve charging at 40A, even with high-capacity batteries. The cooler always makes noise, regardless of the load... Buggati Auston: use Vitals Master ST-400 more than year |
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