AstroAI B8 3000A Car Battery Jump Starter, 12V Jump Starter Battery Pack

From the brand

RELIABLE JUMPSTARTING PERFORMANCE: The AstroAI B8 delivers a powerful 3000A peak current, enabling quick starts even in extreme temperatures from -4℉ to 122℉ (-20℃ to 50℃). It can easily jumpstart up to 9L gasoline and 7L diesel engines,
COMPREHENSIVE PROTECTION: This jump starter offers 10 safety features, including reverse polarity, overcurrent, overcharge, overdischarge, high temperature, reverse connection, overvoltage, overload, short circuit, and spark-proof clamps.
COMPACT & SLEEK DESIGN: Weighing just 11.61oz, this jump starter’s slim, portable design fits easily in tight spaces, making it ideal for outdoor adventures and emergency situations alike.
QUICK & EFFICIENT CHARGING: The B8 Jump Starter features rapid charging capabilities, fully recharging in just 3 hours – saving time and ensuring you’re always ready to get back on the road when needed.
5-IN-1 MULTIFUNCTIONAL USE: Aside from working as a powerful jump starter, the B8 also functions as a portable power bank to keep your devices charged on the go. It features a built-in LED light with three flashlight modes, including illumination, SOS, and strobe, providing essential lighting and signaling in emergencies. This versatile tool ensures you are prepared for everyday needs, outdoor adventures, and unexpected roadside situations.
COMPLETE ACCESSORY KIT: This package features a full set of accessories, including smart battery clamps, a USB A-C cable, a user manual, and a storage bag, providing everything you need for convenient and hassle-free use.
Key Tips & Support: For optimal performance, we advise reviewing the manual before first use and recharging the unit every three months. To compensate for variables like temperature, battery level, and vehicle condition, always select a model with specifications that comfortably exceed your vehicle’s requirements. If you have any other questions about our products, please feel free to let us know at any time.

Customers find the jump starter works well, is simple to use, and appreciate its compact size and portability for keeping in the car. They praise its power, with one customer noting it has the amperage to start SUVs. The battery life receives mixed reviews.

Price last updated Sep 22, 2026 08:02:24 UTC. Availability and price subject to change. More info

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