HDZero Rear-Mount Battery Case (No Batteries)

The HDZero Rear-Mount Battery Case is a smart, universal power solution for FPV goggles that use a standard 5.5 x 2.1 mm DC barrel input. This case is designed to accommodate any high-quality 21700 Li-ion cells (not included) and provides long runtime, USB-C charging, automatic cell balancing, and a built-in high-speed Micro SD card reader for convenient DVR offloading.

Note: This product ships without batteries to simplify international shipping.

• Universal 21700 cell support
• USB-C charging with built-in balancer
• High-speed micro SD card reader
• Reverse polarity protection
• Rear-mount strap clips for better balance
• Compatible with all major FPV goggles

• Model: HDZ2170

• Battery Support: 2x 21700 Li-ion cells (not included)

• Voltage: 6.0 to 8.4 V (2S1P)

• Charging: USB-C 5V3A

• Cell Balancing: Continuous internal 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

• Weight: ~ 73 g empty

• Mounting: Integrated rear head-strap clips

• Compatibility: Any goggle with 5.5 x 2.1 mm DC barrel input including HDZero Goggle and BoxPro

• 1x HDZero Battery Case

• 2x Goggle strap shortening clips