Professional equipment specifications can change. Data below was checked against the linked manufacturer source on 2026-07-25. ComparePilot does not provide medical or infection-treatment advice.
Studio Gear
Critical Universal Battery Dock
Critical's Universal Battery Dock charges compatible Critical Universal, Connect, Power Wand, and Torque V3 batteries in two- or four-slot configurations with magnetic mounting and one-hand swaps.
From $49.99
Verified Jul 26 · Critical TattooSlots: 2 or 4Compatibility: Critical Universal, Connect, Power Wand, Torque V3 batteries
Best for: Studios using several Critical, Power Wand, or Torque batteries that need organized charging and fast swaps
Workflow96
Compatibility94
Ergonomics92
Organization97
Value87
Advantages
Pros
- Supports several major Critical/Bishop battery families
- Two- or four-slot charging layouts
- Magnetic mounting and easy one-hand battery swaps
Tradeoffs
Cons
- Only useful for supported battery ecosystems
- Batteries are sold separately
- Takes dedicated workstation space despite compact dimensions
Machine and workflow snapshot
Key specifications
Slots
2 or 4
Compatibility
Critical Universal, Connect, Power Wand, Torque V3 batteries
Charging
Approximately 2-3 hours depleted to full
Mounting
Magnetic bottom
DualDock
4 x 2 x 1.125 in
QuadDock
8 x 2 x 1.125 in
Included
USB-C cable and wall plug