Heinrichs Weikamp

Heinrichs Weikamp OSTC+

A wireless-charging OSTC with a 2.4in display and 6+ month standby.

Open BLE sync (libdivecomputer)

Syncs wirelessly with third-party apps (Subsurface, Currents, etc.), not just the manufacturer app.

Heinrichs Weikamp OSTC+
$910
Released—
Max depth rating120m
AlgorithmBühlmann ZHL-16C with optional gradient factors
Air integrationnone
Wirelessbluetooth
Display2.4in LCD-TFT
Batteryrechargeable
Digital compass—
Gas typesair, nitrox, trimix
Gas switches—
CCR capableYes
Pros
  • Wireless (Qi-style) charging pad, no contacts to corrode
  • 2.4in display stays readable in direct sun or low light
  • Standby battery life rated at 6+ months between dives
Cons
  • Could not confirm gas count or compass presence for this specific variant
  • Rechargeable-only battery, no field-swappable option
  • Niche brand with a smaller dive-shop support network than the majors

The OSTC+ sits in the middle of Heinrichs Weikamp’s open-source lineup, pairing wireless charging and Bluetooth sync with the same Bühlmann/GF firmware as the rest of the OSTC family.