4smarts vehicle jump starter 456312 — 300 A starting current, 2 A output, 16.6 V battery, Black

The 4smarts vehicle jump starter 456312 is a compact multifunctional power set designed to start discharged vehicle batteries and provide emergency power. It combines a 16.6 V internal battery with a 300 A peak starting current and a 2 A output for charging low-current devices. The kit is supplied as a single unit in a black casing and comes with accessories neatly stored in a small carry bag for roadside or workshop use.

Advantages

This jump starter offers a high peak starting current in a compact form factor, making it easy to carry and store. The integrated 2 A output allows charging of smartphones and other small electronics, while the organized bag keeps clamps and the unit ready to hand. The black housing provides discreet, durable styling for regular use.

Suitable for

• Starting passenger cars and small vehicles with discharged batteries
• Emergency roadside use and short-term workshop support
• Charging smartphones, tablets and other low-current devices (via 2 A output)

When it may not be suitable

This unit is intended primarily for passenger cars and smaller engines; it may not provide sufficient starting current for large commercial vehicles, heavy-duty diesel engines or vehicles with very large batteries. It is also not designed as a long-term power source for high-current equipment.

Key specifications

• Starting current (peak): 300 A
• Output current (USB/charger): 2 A
• Nominal/printed battery voltage: 16.6 V
• Functionality: vehicle jump starter and power bank
• Colour: Black
• Package: single-unit kit with storage bag

How to use

Charge the internal battery fully before first use. Connect the starter clamps to the vehicle battery following the indicated polarity, power on the jump starter, and attempt to start the engine. After the engine starts, disconnect clamps in reverse order and store the unit and accessories back in the bag. Use the 2 A output port to charge phones or other low-current devices as needed; follow device charging guidelines and disconnect when charging is complete.

What to consider before purchase

• Ensure 300 A peak starting current is sufficient for your vehicle type and engine size
• Confirm the 16.6 V nominal battery and 2 A output meet your charging needs for devices
• Check the kit contents and bag size to ensure it fits your storage and transport preferences

Recommendations

Store the jump starter charged and in a dry place; test it periodically and follow safe jump-starting procedures, including correct clamp polarity and avoiding sparks near the battery.