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Pick of the Camera Reviews

(Click the pictures for reviews & links) 


Yi 2 - Best Budget 4K 

Gitup Git2 (My Pick)

Xiaomi Yi

Dazzne P2

DR02 D - Best Budget Dual Cam

Yi Ultra 2.7K
Mobius (also works as a Dashcam)
Polaroid Cube+
Sena Prism Tube

My favourite USB battery power Pack

This is the excellent USB power pack I use when I travel.

2 x 2.1amp outputs. 8400mAh capacity.

Two digit Led display shows battery level


What SD CARD should I buy?

If you want an SD Card for your camera - these are the ones I use and recommend. 

I'd strongly recommend not to buy any SD cards off ebay - I've heard about too many issues with counterfeit cards - often sold on by unwitting resellers. My inbox regularly gets messages from people who bought a £150 camera then cheaped out and bought a £3 memory card on ebay - Then when it doesn't worth they blame the camera! It doesn't make any sense. Good memory is cheaper than it's ever been - see the links above.

A lot of HD cameras will not work properly with cards larger than 32GB (cards over 32GB are usually SDXC rather than the SDHC standard used by 32GB cards. SDXC cards use the ex-FAT system rather than FAT32 - in short they are a different standard). - so don't just buy the biggest card you can afford - read the specs in the manual to see what it accepts.


RECOMMENDED CARDS (for action cams - see dashcams below)

CLASS 10 UHS-1 CARDS (For HD Cameras)


U3 CARD (For 4K cameras)




The SD card in a dashcam is re-written over, more frequently than in other types of cameras. Some manufacturers void their guarantee if an SD card was used in a dashcam. So, no surprise, there are special High Endurance SD cards made just for's some.


VERY IMPORTANT. These links take you to the product, however Amazon have three different ways of selling. There's Amazon Direct - This means that you are only dealing with Amazon themselves, then there's other sellers that use Amazon's facilities - these show as Fulfilled By Amazon and finally there's Market Place sellers that advertise on Amazon, but operate independently.  I strongly recommend that you only use the first...the Amazon Direct - Sold By Amazon option. Even if it appears that you are paying a couple of £/$ more it is more than likely you are comparing the price of a real item against the price of a fake.

To give you an idea of the extent of the fake goods problem. In a 2016 survey by Apple - 90% of the 'Apple' chargers sold through Amazon - using the other the two methods..which includes the "Fulfilled by Amazon" option -  were found to be counterfeit....90%! 


« Retro HiFi: The DBX Disc | Main | Cheap Gadget: USB LED Dimmer light »

Dashcam Battery pack lets you record whilst parked

The Cellink B Dash-cam battery pack is an unusual device that can only really be explained in a video. In the past I have reviewed the DOD SP1 camera provided by HDigital Eye in the UK, so they got in touch again to see if I would demonstrate the new Cellink B dashcam battery pack for them. Watch the video below where I expain how it works and go through the various installation options including hard-wiring it to a fuse box. 

In Korea where they take their dashcams seriously, this is a best selling product. In the UK dashcams are still quite a niche product, which makes this is an accessory for a niche product. As a result, the vast majority of people watching this video won't have a pressing need to buy one. However from the feedback I receive, I know that there are also a lot of people interested in recording video whilst their car is this could be the thing that they've been waiting for.


If you want to buy one (and are in the UK or Australia) the links are below.

ebay: UK  Australia 

Amazon UK

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Reader Comments (20)

Another plus for people wanting to connect their camera directly to a car battery is to get the 2017 VW Tiguan. It comes whit a solar panel, made by a German company name Heliateck, a solar panel so thin that it is mounted on the roof. The panel continually top off the battery, so the battery will take much longer (if ever) to completely drain out. Hopefully, more vehicles will be equipt with that option in the future.

May 27, 2016 | Unregistered Commenterspinnaker

Hi Mat,

Ahhhh.... I think I spotted an HP-01. Full or plated gold edition? In any case: Congratulations! I'm jealous :-D Will you do a review of that one as well? Please do!


Btw: I think there is another use case for the Cellink B: keeping modern navi systems from nagging you with the "I agree not to use the device while driving" message that you have to confirm whenever you start the engine...

May 29, 2016 | Unregistered CommenterMarkus

Hello Matt,
Is it possible to use USB battery pack for the same purpose? Connecting the battery pack to the car USB charger and the dash cam to the battery pack.
This way also takes the car battery out of the equation.

June 4, 2016 | Unregistered CommenterSinay

I just use a portable USB charger when parked. It has pass through function so when the car is on, it charges and also powers the dashcam. The downside is that you have to top up the USB battery manually as you generally dont drive for the time that is required to charge it back up fully.

June 14, 2016 | Unregistered CommenterAlex

Got me thinking too, about a USB battery pack & a solar panel.
My dad has a spare solar panel he used to keep his campervan charged, I'll have to grab it off him and check the output voltage. If compatible, I could use a splitter to provide power to the battery pack via solar during the day and/or from the car socket when I'm driving.

July 4, 2016 | Unregistered CommenterCol

One thing to bear in mind when leaving your dashcam running is the life of the storage media. I previously had my dashcam wired to an always-on fuse location so that it would record when parked. I stopped running it from that fuse location due to the camera starting to act up (possible warranty return, I'm thinking), the car battery running low (although the hardwire I use cuts off at 11.7v) and finally, wearing out 2 microSD cards (a 32GB and a 16GB). Perhaps a larger capacity card might be less susceptible, but on the whole, running the camera 24/7 had more drawbacks than it was worth to capture someone possibly dinging my door in a public car park. These battery packs certainly look good though, something to look at when they eventually drop in price!

July 20, 2016 | Unregistered CommenterDan B

I ve taken the plunge and ordered one. I was just wondering what people do with theirs regarding charging? Is it best for the battery of the cellink to unplug when fully charged and run the dash cam from the cellink only or just leave it always plugged in via the accessory socket?


August 16, 2016 | Unregistered CommenterMattyt

Always leave the battery pack plugged in.

August 16, 2016 | Registered CommenterTechmoan

@techmoan cool thanks 😎 Just waiting for the postman now.

August 16, 2016 | Unregistered CommenterMattyt

That system seems very expensive. I have a RavPower battery pack (£40ish) of very large capacity,which, as far as I can see, will do the same thing. it has a 5v input socket, which I can power from the cigarette lighter socket via a plug that gives out 5v.l It has 2 usb sockets which will power both my cameras (front and rear). The only drawback I can see is the long charging time for the RavPower unit but as I am planning to use it with a DDPi camera which, in parkguard mode, only runs at 1 frame/sec, I don't anticipate a problem and if the worst comes to the worst, it will only flatten the RavPower.
My talents lie in mechanical engineering, not in electrical so if I am talking nonsense please let me know.

August 16, 2016 | Unregistered CommenterBarry Y

All USB is 5V - the difference is the Amps - this will charge very quickly using 7 Amps - your battery will charge using 2.1 amps - or possibly less. So if 15 mins driving gives me 7 hours dash cam recording power whilst parked - your battery will give you perhaps 2 hours recording time for 15 mins driving.
But it's only something that should be bought if you find it useful and can afford to spend the money on it. If you can live without it then please don't waste your money on something you don't need.

August 16, 2016 | Registered CommenterTechmoan

Hi Matt,
Have I misunderstood your review or is your camera powered 24/7 ?

Barry Y

August 20, 2016 | Unregistered CommenterBarry Y

My plan was to power my cameras (front DDPai and rear A118) with my RavPower battery pack. I checked with RavPower that I can power the cameras with the battery pack while charging the battery pack at the same time from a different 5V power socket.
It now occurs to me that the cameras will be powered all the time the car is in the garage at night but the battery pack will not be on charge so I don't think it will work. Ideas??

September 12, 2016 | Unregistered CommenterBarry Y

Just a bit of info about the fuse-tap issues:, in case anyone interested...

October 31, 2016 | Unregistered CommenterDan

Hi, I couldn't see a post for my question.

Can the Power Magic Pro hardwire battery kit be used to support 2 ddpai m6 dashcams (front and back)?


November 30, 2016 | Unregistered CommenterEric

Since it outputs 12V like the car...if you put a USB splitter adaptor in the 12V output you could run two cameras off it.

November 30, 2016 | Registered CommenterTechmoan

Sir, I hope you can guide me.

I have just purchased a BMW 340i. I had a BMW 220d before and had two cameras fitted to this vehicle over my ownership of this car. The first being a Blackvue 750 2ch. A very good camera but not as good as the second camera a Lukas 9750 2ch.

I had the first camera (Blackvue) hot-wired to the fuse box but after a discussion with a technician had that altered by connecting the Lukas to the battery.

Now after purchasing the 340i I asked if it would be ok to fit the Lukas to the battery, just to be covered. No! was the answer from my retail garage. If anything were to go wrong with the car you may find yourself struggling to get the car fixed.

I ask, then how do I fix the camera to the car, and was told the Lukas would not be recommended for reasons given but you can purchase the BMW Advanced Eye for around £500. So I did, only to find out its not compatible with Mac. I mean no viewer, and trying to find a program that can be used was very difficult to find as the Advanced Eye places it files in a container. Also BMW say there is nothing in the pipeline to alter the fact it does not work with a Mac.

Anyway, get to the point, yes of course, well, is there a way the connect to a power pack without needing to connect to the car?

Thanks in advance.

February 10, 2017 | Unregistered CommenterSteve

HI Matt,
We purchased the DDPai dash cam from your recommendation and its great! Sadly some &^*&%*!! has just keyed our brand new Audi and so we are fuming and now looking to buy a power bank so that we could use the camera when the car is parked, however we didn't previously buy a power bank as they are so expensive - Do you have any other recommendations for power banks that are less expensive that this as £170 is pretty pricey!
We would need a battery pack that would work for as long as possible without being recharged as the car is left over the weekend sometimes when we are away.

Thanks so much for your help.

November 21, 2017 | Unregistered CommenterSJ

alternatively as a more cost viable option... would it be better to just hard wire it to the car's battery? or would that run the car battery down too much?

really appreciate your help.

thank you.

November 21, 2017 | Unregistered CommenterSJ

I don't know of any other battery solutions. However, yes you can use a hardwire system attached to your battery that 'should' have an auto-cut-off to prevent your car battery going flat. One such device is the Power Magic Pro.

November 21, 2017 | Registered CommenterTechmoan

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