Boost GB20: 500A UltraSafe Jump Starter Power Pack – 12V Car Battery Booster, Portable Power Bank & Jump Leads - For 4.0L Petrol Engines

Car had a dead battery , Not for the first time as I barely use it. Bought this and it arrived the next day, despite not being a prime customer. Jump started my car without me having to charge the device first. It was really simple to use. I am really impressed with it. Only downside was the charging cable, I did not have a plug to fit it, But after a rummage through my cable stash I found one that fit it which had a usb end so I can charge it. Overall a very handy little device to have.

small, light and compact. so easy to keep in your emergency bag in the back of your car. looks and feels like a well made quality product. came out of the box nearly fully charged so I have no idea how long ago it was made but by all accounts they hold a full charge for around 6months. charges with USB C and comes with a cable so can be charged in the car on a long journey. good value during the Black Friday deals. good peace of mind having it in the boot going into winter. cold weather kills batteries.

Great product. So far jumped started 2 cars with completely dead batteries (1 car 5 week off roads the other was 5 months). Noco cannot even detect the battery (no chase light). So I pressed manual override, lights on the gb20 started chasing/moving. And as soon as I press start engine or turn the ignition key to on. Car started immediately. Worth item to have on your arsenal at all times.

This review is written after using the pack for a couple of years. It was initially required as the 12V battery on our hybrid stopped holding charge and it took a while to get it replaced under warranty. Charging doesn't take too long (although you need to check that it's OK, especially in winter), and, given that, it's done the job on the odd occasion that it's been needed. The lights are very useful. The only issue is that the cables are a little on the short side, hence 4 rather than 5 stars.

GB 20 review. Bought this as I have been using a cheaper unbranded unit , which failed to charge. The GB 20 is a solid bit of kit , used on a 1100 cc motorcycle and 1ltr car. The only issue I have which I don't think people have mentioned is that the light is easy to knock on by mistake when it's in the case , in the glove box it was repeatedly getting switched on , I noticed on several occasions when driving home in the dark the touch on in the glove box. It's now in a hard case in the boot which avoids this happening. It's worth the money and always handy, even if you never use it .

An absolute godsend, got me out of trouble a few times. Light and USB charger useful as well.

Essential piece of kit. Simple clear to use.

After trying again, I was able to get the device working to start my car. I suspect that there wasn't a good enough contact when I first tried and despite this, all signals seemed to indicate the device would work correctly. On my second attempt, I pushed the connector hard into the device and was able to get it a little further in with a lot of resistance and I also wiggled the clips around a bit on the battery terminals to try to get a better connection. This time when I turned the device on, I could hear it ticking occasionally and then I was able to start the car. Old review: Bought this so I could get my car to the repair shop for a replacement battery but it was not able to start my 2015 VW Polo 1.0L. NOCO customer support advised that the NOCO Boost GB20 I purchased must be faulty because it wasn't starting the car despite all indicators on the device being correct. Back to old faithful jump leads!

This is essential. I have a near new r1250gs Rallye. Unfortunately I was in heavy traffic down town. Stop and go, with lights on. I inadvertently had left it in 3rd gear when I stopped for traffic. So the bike stalled on startup, then I tried again, realized I was not in neutral. With full lights, and 3 stalls, the battery was unable to crank the motor a 4th time. I called a tow truck for a jump start. I happily paid the $80. To get started and get home. The tow truck used one of these NOCOs So I went home and ordered it. I disconnected my bike battery to test this. It worked perfectly and It appeared to have lost minimal charge . I leave it in one the bike's panniers. I also attach my bike to a smart charger now when not in use.

High quality product!

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Prix correct fonctionne très bien