WOLFBOX 4000A Jump Starter Power Pack, 12V Car Battery Booster Jump Starter with 65W Quick Charger, 88.8Wh Battery Booster Pack (10L Gas 10L Diesel Engine) with LED Light, Booster, Jump Leads

I bought this item not expecting much from it as I have a Porsche and not started for months, bearing in mine this has a very high compression six cylinder engine and the original battery is Hugh so after fully charging the unit off I went. Turned the key and just a click from the engine as expected. Fitted the booster as instructed and believe me the instructions are very simple and the unit automatically switched on and saying to start vehicle, well that engine started in a nano second, to say i was amazed is an under statement. I am completely in love with this booster and to top it all off it is saying that i still have 93% charge left so in theory i can start the car another 9 times without recharging unit. This is a fantastic piece of kit. Just make sure you buy the correct amps for your car, 4000 Amp booster will start anything so overkill for most family vehicles, get the 2000 Amp unit in that case as it is cheaper. I highly recommend this booster and I don't recommend much to be honest. I checked the unit to see if it holds charge after 2 weeks and it has retained its charge rate, brilliant. It is a very compact and versatile unit as you can also charge your phones or laptop with it and stores in a very hard protective case. Best buy for me in years.

Well packaged good quality at a good price Got this to. Assist starting my old campervan, which it easily does . Comes with a nice storage bag

Looks like a great bit of kit. Not used in anger yet. Good size digital read out and easy to use/read. Clamps are quite resistant but that means better gripping force. Arrived at 75% charge. Put it on charge and 100% was achieved within 30mins. Quite quick really. Supplied with storage case which is sturdy. Makes storing it in your car a breeze.

I was not expecting this thing to work! But it does, and very well. After a spell when my wife’s car hadn’t been used (and cold weather) the car battery was dead, and the car wouldn’t unock, let alone start. The Wolfbox booster was able to start the car on the first attempt (in boost mode). One start drained the wolfbox’s battery from 100% to 88%. I’m left surprised and pleased by the performance.

WolfFBOX 400a mega24 jump starter arrived one day early in its own box vacuum wrapped sealed box, simple packaging non waste wrapping. After a couple of teething problems human error of mine I had unknowingly put the contacts on the wrong battery connectors, after YouTubing I realised this. The anti polar protection is a good thing to have with this device especially when errors can occur. Anyway once they were on the right connectors it started straight away it's an amazing piece of kit I did wonder if I should of ordered the one with the tyre pressure inflator but I didn't and all the same I'm so glad I ordered this one. I looked at many reviews for this brand and NOCO brand but decided on this one I have a campervan and opted for the larger capacity of Wolfbox. It had 75% charge when it arrived. It was so simple to use my van had not been driven for a week and the battery was as flat as a pancake. The pack offers independence in not having to wait for the recovery to come out and a great asset if you are travelling around and maybe end up in an isolated area with no phone reception to call recovery and as long as you keep an eye on the charge left then at least you can get yourself back on the road again. I have recommended the wolfbox to all my friends

Easy to use, I've, done 6 flat battery starts no problem with power. However the leads are woefully short which makes it very difficult to use.

Excellent product, does the job. Used to start a tractor and a landrover

Easy to use, powerful, retains its charge and packs away into a neat and sturdy case.