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Description
HDZero Rear-Mount Battery Case with SD Card Reader with 2 x Samsung 21700 5000mAh battery cellsThe HDZero Battery Case is the ideal power solution for HDZero Goggle, BoxPro Goggle, and any FPV headset that uses a standard 5. 5 x 2. 1 mm barrel jack. Built around two premium Samsung 21700 cells, this smart 2S pack delivers long runtime, USB C charging, automatic cell balancing, a built in high speed Micro SD card reader, and integrated safety protections. Mount it to the rear of the goggle head strap using the integrated clips to counterbalance
The HDZero Battery Case is the ideal power solution for HDZero Goggle, BoxPro Goggle, and any FPV headset that uses a standard 5.5 x 2.1 mm barrel jack. Built around two premium Samsung 21700 cells, this smart 2S pack delivers long runtime, USB-C charging, automatic cell balancing, a built-in high speed Micro SD card reader, and integrated safety protections.
Mount it to the rear of the goggle head strap using the integrated clips to counterbalance the weight of your goggles. This improves comfort and maintains better antenna orientation during flight.
Check out all our Goggles Collection and the rest of our HDZero compatible products.
Features:
-
Long Runtime Power
2S1P 5000mAh pack built from high quality Samsung 21700 cells. Provides about 3 hours of runtime on HDZero Goggle or BoxPro Goggle. -
USB-C Charging and Built-In Balancer
Charge with any USB-C cable. No special LiPo charger required. The pack continuously balances cells for long term safety and performance. -
Integrated High Speed Micro SD Card Reader
Built-in USB3.0 Micro SD card reader (>90 MB/sec). Offload DVR footage easily while the pack charges. The SD card travels with the battery so you will not forget it in your PC. -
Reverse Polarity Protection
If cells are installed backward, the battery case automatically disables output to protect your goggles and equipment. -
Comfortable Rear Mount Design
Integrated head-strap clips allow the battery to mount on the back of the goggles. This balances the weight, reduces neck strain, and improves antenna orientation. -
Reliable Power Delivery
More consistent output than many USB-C power banks. Reports correct voltage to the goggles for accurate low voltage alarms. -
Universal Compatibility
Works with any FPV goggle using a 5.5 x 2.1 mm DC barrel input (HDZero, Walksnail, Skyzone, Orqa, and others).
Specifications:
- Model / SKU: HDZ2170
- Battery: 6.0 to 8.4 V (2S1P) 5000mAh
- Cells: Samsung 21700 5000mAh (x2)
- Runtime: ~3 hours (HDZero Mode: 2.5hr, Analog Mode 3.5hr)
- Weight: 212 g with cells, 73 g empty
- Charging: USB-C
- Balancing: Continuous internal cell balancing
- Safety: Reverse polarity protection
- Micro SD Reader: USB3.0 high speed (>90 MB/s)
- Power Output: 5.5 x 2.1 mm DC barrel plug
- Mounting: Rear head-strap clips integrated into case
-
Compatibility: Goggles using 5.5 x 2.1 mm DC barrel input including HDZero Goggle and BoxPro
Package Includes:
- HDZero Battery Case
- 2 x Samsung 21700 5000mAh battery cells
- Built-in USB3.0 Micro SD card reader
- Integrated rear-strap mounting clips
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 4
Works well
Color: Silver
The stainless steel caddy quality is fine, the sticker was easy to install on the inside of my stainless steel sink. I initially used the small movable arm to hang on the hooks, and it did not keep the caddy in place. Anytime it was hit, it fell off or tilted off the hooks. Customer service followed up with me on my purchase, gave me the correct instructions with a picture, and I was able to snap the caddy into the hooks. They were responsive, listened to my concerns and answered my questions, and now it works great. I would recommend this.
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Reviewed in the United States on February 3, 2021
★★★★★ 5
It doesn’t take up so much space
Color: Silver
This is perfect for my use. I did have to place the sticker on it to hold it in place. I have a Blanco sink which isn’t smooth.
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Negative reviews are misleading it definitely works just fine.
Color: Silver
Noticed the only negative reviews were because the hooks would not fit and was sort of concerned about that, but I figured it might be one of those things where it’s the person’s fault not the product. Sure enough it was. The hook fits, yea you have to push it in there with a slight bit of force, but it definitely does fit. What those people don’t realize is that by design the hooks are like that to keep a firm hold onto the tray itself. I found it funny how mad people were about that when really it’s very very simple to make it work. Nice product sticks well, seems sturdy.
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Reviewed in the United States on September 21, 2020
★★★★★ 5
Good product, lousy instructions
Color: Silver, Color: Silver
This is a good product with terrible instructions. I’ve used this adhesive strip before so I know how to install the basket & how to remove the strip. To get a snug fit position one of the basket's vertical wires in the middle of one of the horizontal bars then press down hard until you hear it snap into place, it’s now snug & will not tip over. To remove the adhesive strip I used a putty knife & wiggled it underneath the strip until I had loosened & lifted enough of it to get a good grip & pull the rest off. Mine is installed on a ceramic tile back splash not in the sink so this method did not damage the tile, can't say what it would do to stainless steel. I'm a 72 y/o woman with arthritis, if I can get the adhesive off anyone can.
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Reviewed in the United States on February 19, 2023
★★★★★ 3
Works well, but very difficult to remove!
Color: Silver
Perspective: Ive had this caddy for 3 years and it has suited me well. Over time the hooks that hold the caddy in place loosened and the caddy would occasionally fall off the side of the sink wall. Not a huge deal, just a small inconvenience. Over time it started to happen more often because the plastic hooks completely lost their grip so I decided to replace it. Well it literally took me 3 days to get it off of the side of my sink. Using different tools to jimmy it off because the adhesive is sooo strong (which is a good thing, until you are looking to remove it). It took a razor blade and several bouts of goo gone to get the whole thing off as well as the leftover adhesive. The fact that it lasted for 3 years is a testament that it is a good product, but it lost several stars for the drama and pain and suffering it took to remove. I wont be buying another one.
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Reviewed in the United States on November 27, 2024