Jump starters: NOCO Boost X GBX45 Jump Starter is our No-Brainer pick

Start with your engine size

Check your engine size in the owner's manual and pick a jump starter rated above it, especially for diesel or cold climates. Built-in protection against reversed clamps is worth having. Recharge it every few months so it is ready.

NOCO Boost X GBX45 Jump Starter

The NOCO Boost X GBX45 is the jump starter most drivers should keep in the car. NOCO rates it for gas engines up to 6.5 liters and diesel up to 4 liters, which covers most cars and small SUVs. It recharges over USB-C, can charge a phone and has a built-in light. Read the quick-start steps before you need it.

Weego Jump Starter 44s

The Weego 44s is the pick for a very compact unit that still handles bigger engines. Weego rates it for gas engines up to 7 liters and diesel up to 3.5 liters, and it has protection against connecting the clamps backward. It is small enough for a glove box or bag.

NOCO Boost Plus GB40 Jump Starter

The NOCO Boost Plus GB40 is the budget pick for typical cars. NOCO rates it for gas engines up to 6 liters and diesel up to 3 liters, and it has a built-in light and a rugged case. Its shorter cables and smaller capacity make it less suited to large trucks or repeated starts.

Choose by engine and size

Pick the GBX45 for most cars and small SUVs with handy USB-C charging. Pick the Weego 44s for a very compact unit rated for bigger engines. Pick the GB40 for typical cars at a low cost.

What stands out

• All three are rated for 12-volt vehicles
• The GBX45 charges over USB-C
• The Weego 44s is small enough for a glove box

Watch out for

• Match the rating to your engine size
• Recharge every few months
• Follow the maker's connection steps exactly

Before you buy

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Choose a jump starter rated above your engine size.

Think about the fit: Choose by engine size first, then size and features.

Check before buying: Engine rating, recharge method, cable length and safety protections

Quick answers