I Tested This Power Bank By Jump Starting A Bus From The 1930s - Here's What Happened

Gooloo GT6000 Jump Starter

ZDNET's cardinal takeaways

• The GT6000 is connected waste connected Amazon for $140.
• It's 1 of nan biggest powerfulness banks you tin bargain astatine 99.9Wh, pinch USB-C and USB-A, DC output, and jump starter capability.
• It's overkill if you're looking for a portable charger for your phone

I test a batch of powerfulness banks, and nan magnitude of power being crammed into these mini devices is becoming incredible. Now, they're making mini handheld units that can't conscionable recharge your smartphone aliases tablet, but tin really commencement vehicles. 

Also: The champion powerfulness banks you tin bargain successful 2025

While these portable jump starters are designed for normal cars and trucks, I thought I'd springiness nan Gooloo GT6000 a trial -- starting a 1936 Albion SP PV70 coach, 1 of nan galore vintage vehicles astatine nan Anglesey Transport Museum present successful North Wales, UK (and yes, it still drives!). 

The GT6000 is arsenic large arsenic powerfulness banks get, lodging a 27,000mAh/99.9Wh battery. It's utilized to powerfulness a 100W max in/out USB-C port, a 18W max USB-A port, a 12W USB-A port, and a 150W DC output port. Using a 100W USB-C charger, you tin return nan portion from level to 20% successful 7 minutes, and to afloat charged successful nether 90 minutes.

The portion tin clasp its complaint for a bully 2 years, truthful you tin complaint this up, propulsion it successful nan backmost of a car and person it fresh for an emergency. 

The Albion is simply a big, comfortable coach. 

Adrian Kingsley-Hughes/ZDNET

It tin besides push 800A starting current/6,000A highest existent to nan car jump leads. That's capable powerfulness to commencement beautiful overmuch each gasoline motor retired there, and diesel engines up to 12 liters. So while nan six-liter Albion motor is small, it's an old, dense engine, and nan artillery connected nan coach was wholly dead. 

The GT6000 has a 3.2-inch LED surface that shows nan basics: artillery capacity, charge/discharge rate, and whether nan portion is fresh to jump commencement a vehicle. The show has a matte decorativeness that useful really good successful some agleam sunlight and subdued conditions.   

So really did it clasp up? The GT6000 had nary problems whatsoever. Don't judge me? Check retired this video. 

Also: 3 portable powerfulness stations I recreation everyplace pinch (and really they differ)

In position of durability, nan portion is ace robust, tin of taking rather a beating, and besides IP65-rated for particulate and water-resistance (totally dustproof, and tin of withstanding rainfall and splashes). The GT6000 has a built-in LED ray too, cleanable for erstwhile disaster strikes astatine night. 

It's truthful tough, you tin conscionable time off it kicking astir connected nan ground. 

Adrian Kingsley-Hughes/ZDNET

ZDNET's buying advice

I'm very impressed by nan Gooloo GT6000. It combines a monolithic powerfulness slope pinch a very tin jump starter. I've tested this pinch a number of vehicles, but nan velocity astatine which it sewage that aged Albion going really amazed me. This tin push a batch of existent to a vehicle, and does truthful very reliably (that aged autobus needed a fewer restarts during its travel arsenic it stalled a fewer times!). 

It's decidedly thing that's being added to by shop kit.