DH-S660A Portable Oxygen Concentrator

• Unit Weight (incl. battery):：2.3 kg
• Unit Dimensions:：198 × 100 × 232 mm
• Display:：2.8-inch LCD screen
• Battery:：DC 14.4 V, 6.4 Ah, 92.16 Wh, 4S2P lithium battery; battery warranty: 1 year
• Official Battery Runtime:：Level 1 — 4 h 45 min; Level 6 — 1 h 40 min
• Charging Time:：Approx. 3.5 hours
• Oxygen Concentration:：≥90% at all flow levels; oxygen concentration not reduced at 0–5,000 m altitude
• Max Pulse Dose Output:：1200 mL/min
• Warm-up Time:：1 minute
• Noise:：≤60 dB(A) at the highest flow level
• Power Supply:：AC adapter + built-in battery + external Type-C power bank
• Molecular Sieve Warranty:：3 years
• Unit Warranty:：Battery and adapter warranted for 1 year from the purchase date; other parts 2 years
• Key Features:：User-replaceable molecular sieve; Type-C power bank support; 3-year molecular sieve warranty; backup machine service

The DH-S660A portable oxygen concentrator delivers 6L equivalent flow with stable 90%+ oxygen, weighing only 2.3 kg. Features a 2.8-inch LCD, built-in battery up to 4h 45min, Type-C power bank support, AI pulse-dose delivery and high-altitude compensation. Ideal for home, car, outdoor, plateau and …