Flylinktech Jump Starter 3500A Peak Car Battery Booster

3500A peak current enables rapid starts for 12V engines (up to 8L gas / 6.5L diesel) in seconds, useful for cold starts and frequent roadside needs.

Built-in 13200mAh power bank with USB output up to 2.1A lets you charge phones and tablets on the go, turning the unit into a portable power hub.

Compact, lightweight design with small footprint makes it easy to store in a glove box or backpack for everyday carry.

Enhanced safety technology protects against short circuits, over voltage, over charge, over discharge, over current, and reverse polarity for safer operation.

Versatile compatibility supports a wide range of 12V vehicles and equipment (cars, trucks, motorcycles, ATVs, snowmobiles, etc.), increasing usefulness across multiple apps.

Includes smart jumper cables, charging cable, and user manual plus 12 months of technical support, offering solid post-purchase assistance.

Customer feedback highlights strong performance in extreme cold and quick recharges, signaling dependable real-world reliability for common use cases.

Not guaranteed to boost very high-CCA batteries; performance may vary on certain aged or heavily discharged packs.

Only a single USB charging port is available (up to 2.1A), limiting simultaneous device charging.

A proper hook-up sequence and reset procedure may be required if a boost attempt fails, which can be confusing for first-time users.

Initial full recharge before first use is recommended and can take several hours, which may delay first-time operation.

Cable length may be limiting in cramped engine bays or hard-to-reach placements.