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S3 Duo 20W Fast Charging Battery Strap for Quest 3/3S

Sonicgrace ★ 3.8/5 · ItemOracle Score Mid-Range

$90 USD
Price subject to change
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Sonicgrace S3 Duo 20W Fast Charging Battery Head Strap for Meta Quest 3 and Quest 3S, Dual Battery Pack (2X8000mAh) with Charging Dock, Adjustable and Comfort VR Replacement Strap Accessories

Sonicgrace S3 Duo is a dual 8000mAh battery strap with a magnetic charging dock for Meta Quest 3 and Quest 3S. Provides faster charging and adjustable comfort, with strong build quality noted by users

Highlights

  • 20W fast charging
  • dual 8000mAh batteries
  • magnetic charging dock

Pros

  • 20W fast charging capability
  • dual 8000mAh batteries
  • magnetic charging dock
  • adjustable back wheel for fit
  • high comfort and weight balance

Cons

  • requires external strap integration
  • charging dock may add complexity
  • dependent on included batteries

Best For

  • long VR sessions
  • replacement strap for extended play
  • at-home charging setup
  • multiplayer sessions with shared headset
  • adjustable fit during gameplay
  • reliable battery life on Quest 3/3S

Features

  • Supports 20W fast charging for Meta Quest 3 and Quest 3S
  • Swappable magnetic charging dock with 30W max, 15W per battery
  • Two 8000mAh battery packs extend playtime by 125% (Quest 3) / 150% (Quest 3S)
  • Charges Quest 3 from 0% to 100% in 2.5 hours and Quest 3S in 2 hours
  • Compatibility optimized for Quest 3 and Quest 3S with overheating protection

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