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Review: BangGood 532nm built-In battery laser pointer.

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Hi everyone, I just want to post a review of one of BangGood's products.
As some may be aware. Swi from BangGood allowed me and a couple of others to test out some of there laser stock.

532nm USB Charge Green Laser Pointer 5mw Built-in Battery

Communication:

I found that Swi was good at communicating. Sometimes there can be a slight delay, but that’s due to Swi being busy outside of LPF and is to be expected. Swi was friendly and professional and was a pleasure to deal with. There was a time where the item I chose was out of stock, so I was let know and given the choice to swap with something else. I decided to wait for the item to become available again. Soon as the item was available I got an email saying that the order had been processed and then a follow up saying the item had been shipped.

Delivery and packaging:

The order was placed on the 9th June and the item was dispatched the next day (10th June) with Priority Air Mail at a cost of $1.87. The item arrived on the 16th June, but I had to wait till the next day to pick it up. This makes an order to arrival time of 7 days which from China is a pretty quick delivery time for the UK.
The packaging was more than adequate to keep the item safe. The laser and charging lead are kept inside a magnetic folding box which has foam cushioning inside. It is basically what you would expect.





Overall the delivery and packaging is more than acceptable.

Cost:

The cost of the item was $12.69 which is subject to change depending on the stock.

Quality/Value:

For the price it isn’t bad at all. It has a basic host with a rubber sleeve on the tubing for nice grip. With a built in li-ion and a quite powerful laser inside, it is definitely good value for money. The li-ion bumps up the price compared to the 303’s however.



Specs:

Power: tbc (stated 1-200mW). This is something that surprised me. It is a very compact laser for 532nm but its power is incredible. I will LPM when I get a chance, and without overstating the power I estimate it to sit around 35-40mW. In lower light conditions the beam is highly visible, and in near darkness the beam is a nice solid pencil lead like beam. As for the dot, it remains highly visible in daylight and I have even shone it outside with the sun glaring and it is still noticeable visible.

Wavelength: 532nm

Type: DPSS

Beam Shape: Circle/Round

Beam Diameter: tbc (not stated). I will test the diameter tomorrow.

Beam Divergence: tbc (not stated). I will also run divergence tests tomorrow.

Transverse Mode: TEM00

Longitudinal Mode: Single

Power Input:

built-in 3.7V Li-ion (unknown capacity) with DC 5V 500mA Mini-USB charging cable. The capacity isn’t too high as it doesn’t take that long to run the battery out. But for me that isn’t a problem as I can just charge the laser during the day via my laptop. I haven’t tested a charge yet, but when I have I’ll update.

Size: L 87 (mm) x D 13 (mm)

Weight: 47g

Safety:

The safety label states <5mW and the safety class is vague with just Class III. Something I have noticed is that the laser starts to auto-shut off when the battery is running low. This is a good feature due to the laser containing a li-ion. It appears to be timed as after a 4-5 seconds I can switch the laser back on again, but quickly fades to darkness. Also it should be noted that the laser gets pretty warm, but the instructions does state to not run it more than 20 seconds at a time.



Photos:

More images to come.



Conclusion:

Overall, I would highly recommend this laser. It is surprisingly bright for such a compact laser. The beam is very nice and tight. It feels good to use, and for people like me the in-built battery is a good touch. I can charge the laser while I’m working, and then have plenty of play at night. And for the price you can’t complain. Here is the link to get your own. I would love to find out how consistent these are.

https://www.banggood.com/532nm-USB-C...10963245201705

Thank you for reading this review.
Curtis :beer:

I'll update with more photos and beam specs later on. :)

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