SupTig Underwater Diving Light And Buckle Mount For GoPro Review

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Image copyright belongs to SupTig.com

 

The SupTig Underwater Diving Light & Buckle Mount For GoPro was kindly provided to me by Jeerui free of charge in exchange for a fair and unbiased review on Amazon.co.uk. No additional compensation was given in exchange for posting this article on my blog.

The SupTigUnderwater Diving Light is available in the UK from Jeerui Fulfilled by Amazon.co.uk at a cost of £30.99 with free P&P. In the US the JEERUI NEWEST Underwater Diving Light is available from Jeerui-US Fulfilled by Amazon.com at a cost of $30.98. (Prices correct at time of posting).

 

To enlarge an image and view its description, please click on the image.

 

PACKAGING & CONTENTS.

The SupTig underwater diving light & buckle mount for GoPro is supplied in a basic retail style cardboard packaging baring little to no information on the front and sides but with two diagrams of the device on the rear. On the inside the contents are retained in a thin chocolate box quality clear plastic insert.

 

Alongside the light is a short basic USB A to Micro B charging cable, a plastic quick release bolt tightening tool and a GoPro buckle mount with quick release bolt each supplied separately in resealable clear plastic bags. There are also two batteries supplied that are found already installed within the light, sadly however, with the exception of the diagrams on the back of the box no instructions or other written literature is included.

 

Unfortunately the cardboard packaging clearly isn’t entirely strong enough for purpose and with my particular sample the box had clearly been quite badly crushed at some point during transit or warehouse storage. Thankfully, neither the plastic insert nor its contents had suffered as a result, but the cardboard clearly was worse for wear as you will see in my pictures.

 

MEASUREMENTS.

The SupTig underwater diving light measures at its greatest points, 72.5mm long (front to back), 74.5mm wide (side to side) and 28.9mm high (top to bottom) excluding the mounting points or 51.85mm high including the two mounting points.

With both the batteries installed, the total weight of the light is 151g (not including the supplied buckle mount).

 

SPECIFICATIONS.

Sadly, there are no specifications for this device listed either in the Amazon listing or on the packaging and as noted there is no additional documentation provided. While this product is sold by a company called Jeerui it is actually made by a company called SupTig and checking the SupTig site a GoPro diving light can be found listed with specification information.

This is where I believe Amazon reviewer BigLeague got their specification information from that they have stated within their review, sadly however the only GoPro diving light listed on the SupTig site is not the same one as is being sold here and I believe the specification information they have stated may well be incorrect.

The reason I state they are not the same light other than they clearly look very different (the one shown on the SupTig site is much smaller and only has 1 battery and not 2 like this one) is that the lighting modes of this light (high, low and strobe) differ to the light listed on the SupTig site (high, low, SOS).

 

BUILD & QUALITY.

The SupTig underwater diving light is largely constructed from a black glossy finish plastic. Those familiar with my reviews will know that I am not a fan of this material for two reasons, in use, unless cleaned daily it will soon get covered with grubby fingerprints and smudges and secondly hairline scuff and scratch marks begin to develop quickly.

With my particular sample by the third day the area around the universal GoPro mount was littered with fine scratches where a camera had been attached and removed but a few times. While there were none evident on the buckle mount, this was due to only having thus far having not removed it since installing it. Aside from this there are a dozen or so more evident larger scuffs on the casing, none of which however were evident with a finger nail.

Piano black glossy plastics are in my opinion the devil’s creation, it is clearly a more decorative material than a utilitarian one and it’s bad enough when found on the trim of a car or bezel on a TV but to put it on something such as this just doesn’t make sense. It should have been made from a matte black ABS plastic with a finely textured finish. As a result don’t expect your light to stay looking like new for long.

At the front of the light a clear plastic panel covers the LED’s secured in place with 12 tiny hex head bolts over a thin black glossy plastic surround. Behind the clear plastic panel there are three domed cap LED’s equally spaced, fitted with clear diffusers and each surrounded by silver (possibly metal) square reflectors. This has been constructed in such a manner as to improve the dispersion and projection of the light provided by the LED’s as much as possible.

 

On the top of the light in the centre, towards the a two prong universal GoPro mount protrudes, onto which you GoPro / Action camera waterproof case can be mounted or indeed any accessory with a three prong GoPro mount fitting.

 

On the underside of the light is a buckle fitting the same as those found on helmet mount base accessories onto which the buckle accessory  provided can be attached. It is entirely feasible to mount the light either way up, but most often you will find that the camera is attached to the light using the buckle mount leaving the two prong mount to attach to a helmet, arm, selfie stick or floatation accessory.

 

At the back of the light is the battery compartment cover, access to this is actually on the side of the light which is via a large bi-fold compression clip which thankfully has a large finger recess making its use easy even for those of us with no length in our fingernails.

 

Behind the battery compartment cover we find a 360 degree black silicone surround on the hinged cover with no secondary or additional waterproofing to be found. The batteries are installed side by side with an individual clip retaining each, sadly however the battery compartments are not sprung loaded and so to remove a battery you have to pull a clip down while at the same time pulling a battery out and keeping hold of the light itself, which can be tricky.

 

Within the battery compartment just above the batteries is a small white plastic panel. In the centre of this is a USB Micro B charging port and either side are small LEDs that light up red when the light is charging and go out when it is fully charged.

The batteries are charged when they are installed within the light, while obvious (I hope) it should be noted that the light is not weather nor waterproof while it is charging. One final note regarding the battery compartment is the spacing offered above and below the USB Micro B charging port which is best described as limited.

Both my AmazonBasics and Lindy Chromo USB cable connectors proved to be too large to fit the port although the cable provided and a number of other cheap bundled cables I had to hand did have a small enough connectors to fit.

On one side of the light is the bi-fold clip that provides access to the battery compartment at the rear and on the opposite side is a single 8mm diameter silver button that is slightly recessed. Thankfully given the size of the button even those with large finger tips should have no problem operating the button despite it being recessed.

 

This button serves multiple functions with one press turning the light on at its highest brightness, the second press reducing the brightness to its lowest setting, a third press activating a strobe function at its highest brightness and a final fourth press turning the light off.

While this button offers a reasonable resistance when pressed, which should reduce the risk of it accidentally being pressed it does not offer a tactile feedback (which is probably a good thing though otherwise the sound of the button being pressed would likely be picked up by the microphone on the attached camera). There is however a bit of an art to operating the button correctly…

When the light is off and the first press is made, it turns the light on at its highest brightness, there is a 1.5 second delay however before the light actually comes on. If before the light becomes active you press the button once more when the light does eventually turn on it will be at its lowest brightness and should you press the button 2 additional times before the light becomes active it will enter strobe mode when it does come on and in the event you press the button three additional times before the light becomes active, it actually never will.

Once the light does eventually switch on you should not be hasty with your button presses as more often than not (although not always) if you press the button repeatedly in quick succession only the first press will be registered and sometimes none at all are. To ensure accurate use of the button I would advise counting “one Mississippi” between each press, in my time thus far using the light with this method the controls have been entirely accurate, although for those needing quick on the fly changes while filming will be disappointed by the way with which it functions.

Now I have to confess that my interest in this light is not for a source of light while filming underwater. I have a Nikon D3200 and a hot shoe GoPro mount onto which I mount my action cameras, this allows me to film with one camera and take pictures with the other of the same subject matter, it does however mean I can’t mount a traditional DSLR video light to my camera while I am on the move.

 

As such my interest in this light is as a source of light in low light situations or at night when filming on land, and recording with the above setup the light can be attached to my D3200 and the action camera directly atop the light. For this purpose, it fits the bill very well, although a diffuser for the LED’s would have been welcomed, as it turned out one was not difficult to jury rig together.

For this purpose the light is reasonably well suited as quite honestly, you are almost always going to want the light at its highest setting and so the temperamental button is a bit of a non issue, the choice of glossy plastics however will be a source of annoyance as it seriously isn’t going to age or wear well.

I also see no reason for the light being suitable for use in torrential rain, snow or when swimming or snorkelling but if I am honest for those having made a significant outlay with a genuine GoPro and whom take their underwater hobbies seriously, I would strongly recommend investing significantly more in a far more durable and effective underwater video lighting system such as the Light For Me system.

One other use that was found for this light I might add is as a headlamp on a pushbike or mobility scooter (with or without a camera) which during the dark winter months, considering the ease of which it is mounted, recharged as well as its waterproofing and how long the batteries last, makes for additional value for money.

 

BATTERIES.

The batteries supplied with the SupTig underwater diving light are 3.7v, 1050mAh, 3.9Wh batteries with no make or model number, although they are marked as AHDBT-301 and AHDBT-302 compatible.

 

For those interested I currently have in my possession 6 assorted GoPro clones such as the SJ4000, SJ7000 and HDKing Q3H all of which use 900mAh 3.7v batteries which are smaller in size to the batteries supplied within the SupTig underwater diving light.

 

WATERPROOFING.

Both the information on the back of the box and in the Amazon product listing states the light is waterproof to 30m which is consistent with the working depth of both GoPro cameras and similar clones.

 

Sadly, I have no current means to test the product to such a depth, I can however confirm that it works happily in freezing rain and submerged at a depth of 12″ in cold water. Should the opportunity ever arise to use test the light at a greater depth, I will of course report back.

One thing I would advise on doing before each and every time you intend to use the light submerged is to remove the batteries and fill the battery compartments with tissue and weigh it down underwater to test the seal.

 

BATTERY CHARGE AND DRAIN.

Firstly the light was switched on and the batteries were allowed to fully drain and then the light was put on charge until the batteries were indicated as being full, then I began to drain test the batteries.

The light was switched on at its highest brightness and after approximately seven and a half hours while the light was still active, I would say this was the cut off point for it being useful as a video light. Despite this the light remained active at a diminishing brightness for another three and a half hours, during this time however it would not have served much purpose.

 

Once the battery was once more fully drained it was put on charge using a Samsung 2A wall charger as supplied with a Tab S2 9.7″ tablet and the readings were monitored using a Drok USB multimeter.

– Initial readings from the multimeter were 5.46v, 6.606w, 1.20A with 20mAh charged in the first 60 seconds.
– After 23 minutes the readings were 5.45v, 6.322w, 1.16A with 452mAH having been charged.
– After 37 minutes the readings were 5.45v, 6.431w, 1.18A with 728mAh having been charged.
– After 53 minutes the readings were 5.46v, 6.825w, 1.25A with 1055mAh having been charged.
– After 1 hour and 19 minutes the readings were 5.45v, 6.104w, 1.12A with 1566mAh having been charged.
– After 1 hour and 40 minutes the readings were 5.30v, 1.431w, 0.27A with 1823mAH having been charged.
– After 1 hour and 50 minutes charging had completed with 1853mAh showing as being charged.

Some points of note…
1. The combined total battery capacity is 2100mAh, despite this, from dead to full only 1853mAh was charged.

2. Lithium Ion batteries charge faster when they are drained and slower as they fill which prevents overheating, overcharging and generally to protect and extend the life of the batteries. During my testing it can be clearly seen that the batteries were charged rather quickly up to the point they were nearly 75% full before the rate at which they were charged began to reduce.

While I should state that the batteries never became anything but lukewarm the speed at which the batteries are charged is a slight concern.

One final interesting point that I found out entirely by accident is that the light can be entirely powered by mains or a power bank. When the batteries were 100% dead and I started my charge testing I accidentally switched the light on and it came on and stayed at full brightness while powered by mains.

Switching the socket off at the wall the light brightness dropped considerably and switched off altogether after a few seconds. Turning the wall socket back on it, then came back on at full brightness.

Obviously the usefulness of this is limited as when the light is on charge, it is not so much as rainproof let alone submersible. That said, for those wanting to use it in dry conditions at night should and they find the batteries low or dead when they come to use it a small power bank could easily be taped on top of the light to power it.

 

ADDITIONAL USES.

Aside the uses already discussed, this is one further use for this light. As the batteries can be charged within the light this does mean that it has a secondary stand alone use as a dual battery charger for those with action cameras that use AHDBT-301 or AHDBT-302 batteries, which is rather useful.

That said, I do reiterate my concerns with the speed at which the batteries are charged within the light which has the possibility of having a long term detrimental effect to their lifespan should you do so.

 

Thank you for taking the time to read this review, I hope it has been helpful to you. If you have any questions or comments regarding this review, please post a comment below and I will do my best to answer them..

Copyright © 2014-2016 EunoiaReviews. All rights reserved. Reproduction of any part of this site including images and video files is strictly forbidden without prior written consent.

 

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