Promate (PowerMag-Duo)

Wirelessly charge your iPhone and Apple Watch in a snap with the PowerMag‑Duo: its 15 W MagSafe module delivers perfect QuickSnap alignment, the Apple Watch magnetic pad powers up at 3 W, and the 20 W Power Delivery port charges USB‑C devices up to 4X faster—packaged in a portable, lightweight design

• Battery capacity: 10000 mAh, 3.85 V / 38.5 Wh
• Battery type: Li‑Polymer
• Number of charging coils: 1
• Apple Watch Charger Output: 3 W
• Total output: 22.5 W
• Wireless Charging Distance – Watch: 1.5 mm; Phone: 5 mm
• Wireless Charging Frequency – Phone: 100–205 kHz; Watch: 330 kHz
• Wireless Charging Efficiency: 60–85 %
• Charging Time: 3.6 Hrs
• Magnet strength: N52