NOCO Boost Plus GB40 - Best Compact Jump Starter
The NOCO Boost Plus GB40 combines compact size with reliable performance, featuring waterproof construction and quick-start capability for most passenger vehicles.
- +IP65 waterproof rating makes it weather-resistant
- +Ultra-compact design fits easily in glove compartments
- +Boost Mode provides immediate power for quick starts
- -Limited to 1000A peak current
- -Short jumper cables may limit placement options
- -Fabric carrying case offers minimal protection
The NOCO Boost Plus GB40 stands out as the most compact and portable solution among high-quality jump starters. Its lithium-ion battery delivers 1000 peak amps, sufficient for gas engines up to 6 liters and diesel engines up to 3 liters. The IP65 rating ensures protection against water and dust, making it reliable in various weather conditions. A unique Boost Mode bypasses the typical waiting period, allowing immediate engine starts in many cases.
The device includes USB ports for charging electronics and an LED flashlight with multiple modes. While the jumper cables are somewhat short, the clamps are well-designed with clear polarity indicators. The GB40 maintains charge for extended periods, though some users report the fabric carrying case could be more protective. Its combination of size, features, and NOCO's reputation for quality make it the top choice for everyday drivers needing reliable emergency power in a small package.