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The NOCO Boost XL GB50 is a compact lithium-ion jump starter for 12-volt lead-acid batteries. It is rated at 1,500 amps and covers gasoline engines up to 7 liters and diesel engines up to 4.5 liters, so it handles cars, SUVs, trucks and boats. Its spark-proof clamps and reverse polarity protection make it simple for non-mechanics to use, and it doubles as a 200-lumen flashlight and a USB power bank. Against smaller Boost models it trades extra cranking power for a bit more bulk; against big lead-acid jump boxes it is far lighter and holds its charge for up to a year.
Availability unknown
Lowest price we've seen: $237.00 on Nov 6 at Danko Equipment. Tracked across 1 store since Nov 6.
Owners treat the GB50 as a reliable emergency tool that starts larger engines and sits in the trunk for months without losing charge. Most praise the simple, safe clamp hookup and the built-in light and USB port. Some find it bulkier than expected and note the clamps are stiff when new.
The NOCO Boost XL (model GB50) is a compact, lightweight lithium-ion jump starter for 12-volt batteries. It is rated at 1,500 amps and can jump start a dead battery in seconds, up to 30 times on a single charge. It works on gasoline engines up to 7 liters and diesel engines up to 4.5 liters, such as those in a car, van, boat, SUV or truck.
Spark-proof technology and reverse polarity protection are built in. The included HD Precision Boost Battery Clamps connect to any 12V lead-acid battery, from lawn mowers to trucks. Hot and cold LED indicators show when the internal battery is outside its operating temperatures, which helps protect the battery and your devices.
It also has an integrated 200 lumen LED flashlight with seven light modes. The flashlight holds its charge for up to one year. A USB battery pack recharges personal devices on the go, up to 6 smartphone recharges.
