K4 Boost Battery Strap

for Quest 3/3S
Sale price$69.99

Tax excluded. Shipping calculated at checkout


  • for Quest 3/3S
  • Extended Play: Keep the MR sessions going with 3 extra hours of battery life. Optimized for peak performance based on your gaming needs.
  • Dual Fast Charging, Twice the Speed: Simultaneously charge the K4 Boost and your Quest 3S/3 with the DualBoost Power system. Fully recharge both in just 2.5 hours with a 45W adapter, delivering 25W power to your Quest 3S/3 while charging the internal battery.
  • Comfort and Balance: Ergonomically designed rear headrest with thickened padding reduces facial pressure, while enhanced counterweight eases strain on your head and neck.
  • Safe and Reliable: The premium-certified batteries and system are credited with multiple protections, including essential UL, EN, and FCC certifications. Every material is rigorously tested in TÜV labs for safety and durability.
  • Easy Wear and Quick Adjustment: The 52° damping hinge allows easy on and off, while the quick adjustment knob ensures a perfect fit.
KIWI design K4 Boost Battery Strap for Meta Quest 3S 01
KIWI design K4 Boost Battery Strap for Meta Quest 3S 02
KIWI design K4 Boost Battery Strap for Meta Quest 3S 03
KIWI design K4 Boost Battery Strap for Meta Quest 3S 04
KIWI design K4 Boost Battery Strap for Meta Quest 3S 05
KIWI design K4 Boost Battery Strap for Meta Quest 3S 06
KIWI design K4 Boost Battery Strap for Meta Quest 3S 07

FAQ

If you have any other questions, feel free to contact our customer service team. We will do our best to assist you!

Our customer support is available Monday to Friday: 9am-6:30pm.

Customer Reviews

Based on 68 reviews
74%
(50)
18%
(12)
1%
(1)
1%
(1)
6%
(4)
P
Peter g
Superb

Extremely good fit, a million times better than the one supplied.

D
Darren Bateson
Great upgrade!!

Really comfortable, a lot better than the original one!

H
HSIANGYU LEE
Comfy and Easy to use

Comfy and easy to use, plus the battery pack makes my quest3 last longer than me

P
Pascal Wegmüller
Head Strap

Best in the world

A
Aaron Schroeder
I never received my order

I had no doubt it would take some time to get to me, but I doubt it is still on its way at this point. It has been over a month. Please either send me a new one or give me a refund. I would still like to have this product, but if you can’t get it to me, please give me a refund.