BlackVue DR900X-2CH

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Overall

#23 in

Dash Cams

according to Reddit Icon Reddit

Sentiment score80% positive
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Last updated: Apr 17, 2026

Reddit Reviews

Reddit Iconbuttgers
12 months ago

I've been using a Blackvue DR900X-2CH 4K dashcam for the past 4 years. It was a backup to the Tesla dashcam (known to be glitchy and miss recording early on), and I moved it to my Polestar 3 after selling the Tesla. I run it off the Blackvue Power Magic Ultra Battery B-124X for parking mode and battery drain protection. I plug the 12v adapter into the car's 12v socket to power the battery and set it to B-124X battery (not car battery) only mode when parked. The camera is plugged intot he B-124X and switches to parking mode after motion is not detected for about 1 minute. During driving, no drain at all. If you don't have a battery backup, then I'd set the camera to shut off w/ the car is parked instead of using parking mode.

10 months ago

I also use the Blackvue 2ch camera. I didn't trust the Tesla sentry for the same reasons, and the detail from the Blackvue is surprisingly good. It's now running in my Polestar, and I will likely run a separate dash cam on every car I drive in the foreseeable future.

Reddit IconJustCarPranks
13 days ago

BlackVue DR900X-2ch with it hard wired to the car. Works great and forget it’s there most of the time.

8 months ago

I run the BlackVue two channel and have it hardwired to the fuse box. Run all the cords through the head liner and side pillars. It’s pretty hidden almost to the point I forget it’s there. The rear camera is visible but very small and cords are running through the headliner so you only see it when it’s coming out direct to the camera (an inch or two of exposed cord).

Reddit IconxtZN6
10 months ago

This is pretty much what I did. But I have the dedicated battery in the glove box and it’s being charged using the hidden cigarette lighter. Wires are tucked in the A pillar and the roof to the back camera. I have BlackVue dr900 2ch with the B-124X battery. This setup lasted overnight easily. Estimated 16 hours in the app but probably less. It required about 30 mins of driving to recharge from 0. The Viofo cameras are a great option too.

Reddit Icon166Donk3y
12 months ago

ive my my Blackvue DR900X Dual Channel (front and rear) for almost 3 years now its great, has a great picture, plus its small and doesn't stick out much hindering your view, but they are pricey, i got mine for 200 off the price with end of year sales

Reddit Iconcaspin22
6 months ago

I've had a Blackvue DR900X 2-channel (front and rear) for years. Had it hardwired into my M235i, pulled it out when I traded that in for my i4, and have been using it in the i4 for almost 3 years. I haven't hardwired it in to the i4 because I've been super lazy so I've only been using the front camera, and the 12v outlet. Whatever I get when this lease ends in May next year will get it hardwired in front and rear again. The picture quality is great, and although I used to really hate the app, they have made improvements recently that have made it better. I've also heard great things about Viofo dashcams, but have never used one.

Reddit IconF8greenMonster
9 months ago

I’m running the BlackVue 900X 2 channel running on a external battery so that it will continue to record while it’s parked. 4k front video & 1080p rear

9 months ago

I have it wire to an external battery. The external battery only pulls power from the car when I drive. When in park mode the dash cam will run & pull power off the external battery. Once the external battery dies the dash cam will just stop recording. My memory chip is 125 so the camera will rewrite over the older footage after about 11 hours

Reddit IconSubiWan
9 months ago

I have a DR900X 2 channel with an external battery in my 2025 Sport. BlackVue is not cheap but in 5 years and 2 cars I've never had an issue.

5 months ago

I have a somewhat older DR900X 2 channel. Excellent camera. 2nd Forester for the camera.

4 months ago

I had a BlackVue 2 channel in my 2019 Sport and moved it to my 2025 Sport when I traded for it. The camera was hardwired in both cases. If you entertain the idea of a parking camera get a separate battery for the camera. You'll get better recording life.

Reddit IconBigMickPlympton
8 months ago

I have had a Blackvue 900X in my 2022 ORP and love it. Rear view came in handy a few months ago. Check my post history in r/dashcams.

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