The QA900C 84V 10A Fast Lithium Battery Charger provides ultra-fast, high-power charging for electric bikes, high-output scooters, and lightweight electric motorcycles equipped with 72V (20S) lithium-ion battery packs. Designed with a wide-voltage 100–240V AC input and an intelligent dual-stage CC/CV profile, it cuts charge times in half while actively preserving long-term battery cell health.

Key Features:

• 10A Ultra-Fast Charging: Delivers a continuous 10A output at 84V to get you back on the road or track significantly faster than standard chargers.
• Universal 100–240V Wide Voltage: Compatible with worldwide power grids; the AC plug is matched automatically to your shipping country (US / EU / UK / AU).
• Intelligent CC/CV Algorithm: Precision Constant Current / Constant Voltage stages ensure 100% full saturation without overcharging or voltage spikes.
• Active Thermal Cooling: High-velocity, temperature-controlled internal fan paired with an aluminum housing for dependable heat dissipation during heavy charging sessions.
• Comprehensive Safety Suite: Built-in safeguards against short-circuit, over-current, over-voltage, reverse polarity, and internal overheating.

Technical Specifications:

• Model: QA900C
• Compatible Battery: 72V (20S) Lithium-ion / Li-ion (84V Full Charge Cutoff)
• AC Input: 100–240VAC, 10A Max, 50/60Hz (Worldwide Compatible)
• DC Output: 84V / 10A (CC/CV charging profile)
• AC Plug Type: Standard plug automatically configured for destination country (US / EU / UK / AU)
• Cooling System: High-efficiency internal cooling fan
• Net Weight: 1.9 kg (4.19 lbs)