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The AZZUNOX 12V/24V Car Battery Charger & Engine Starter delivers up to 250 cranking amps and 50A charging current with smart auto shutoff and maintenance modes. Compatible with all lead-acid battery types, it features rugged copper coil construction, advanced safety protections, and a portable design with cord management. Ideal for reviving deeply drained batteries across cars, trucks, boats, and more, it ensures reliable power and extended battery life with quiet cooling and user-friendly controls.













| ASIN | B0DX77P86D |
| Amperage | 30 Amps |
| Best Sellers Rank | #74,708 in Automotive ( See Top 100 in Automotive ) #337 in Battery Chargers |
| Brand | AZZUNOX |
| Color | Red |
| Connector Type Used on Cable | NEMA 5-15P |
| Current Rating | 50 Amps |
| Customer Reviews | 4.0 4.0 out of 5 stars (59) |
| Input Voltage | 110 Volts |
| Item Dimensions D x W x H | 11.4"D x 7.5"W x 5.7"H |
| Item Weight | 8.7 Pounds |
| Manufacturer | AZZUNOX |
| Model Number | 250 |
| Number of Ports | 1 |
| Output Voltage | 24 Volts |
| Specification Met | RoHS, UL, CE, FCC |
| Unit Count | 1.0 Count |
| Warranty Description | 1 YEARS |
J**H
It worked perfectly as discribed.
I’ve used this charger so far on a 200Ah battery, and it performed exceptionally well. I was able to cycle through the different current modes and confirm the charging amp matching up accurately. After testing, I set it to Auto mode, and it charged at around 15 amps until the battery neared full capacity, then automatically tapered down the current as expected. The menus are straightforward and easy to navigate with the buttons, and the build quality feels solid overall. The battery clamps are sturdy and well-made, and the cooling fan is surprisingly quiet when it kicks on. Overall, I’m very happy to replace my old charger with something that supports modern battery technology and works this well.
C**K
Worked Great
Worked great. Charged my battery in just a couple hours.
L**D
WELL WORTH THE MONEY
Replaced a decades old Craftsman [stolen]. only one could find had charger with booster. Works good for me. The cord areas on the sides is good for the leads but nowhere for the 110 cord, .
Z**O
Looks Like a Ferrari, But Performs Like a Moped
I had high hopes for this 12V/24V car battery charger and jump starter, but it was a huge disappointment. It claims to deliver 50A for starting a car, yet when I tried it on a vehicle with a battery voltage of 8.8V, it couldn’t even turn over the engine even after several minutes. Frustrated, I used a simple adapter with jumper cables connected to a Milwaukee battery, and the car started instantly. That’s right—a Milwaukee battery meant for a cordless drill outperformed this so-called “high-powered” charger. It looks sleek and flashy, like a Ferrari, but in reality, it performs like a moped—slow, weak, and utterly unreliable. Build quality looks nice, but the performance is extremely misleading. I wouldn’t recommend this product to anyone who actually needs a dependable charger or engine starter, even if it were offered for free.
C**.
as advertised
Does what it is supposed to do.
C**Z
very good
It has strong horsepower and can store electricity for a long time, meeting my occasional needs when I'm away.
C**E
Just bought
Works good so far. little on the noisy side.
R**L
I jumped my semi truck with this charger
I jumped my Volvo D13 with this charger
J**S
EXCELENTE ARTICULO. al ver otras calificaciones temí que me llegara un producto de calidad dudosa pero ya había comprado. Al recibirlo me llebo la sorpresa de ver que se trata de un equipo robusto, potente. De buen peso y construido con materiales de calidad y resistentes. Estoy evaluando su rendimiento conectado a un BMW X3 2024 HIBRIDO. Como estabilizador de voltaje para programar la ecu y diversos módulos y hasta el momento el articulo a demostrado ser capaz de cumplir con la misión. En conclusión. Lo recomiendo al 100% Bien. Superó mis expectativas en relación calidad y rendimiento
Trustpilot
1 week ago
3 days ago