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Fr-3(x) V-accordion Charger For Battery Pack

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FR-3(x) V-Accordion Charger for Battery Pack Programmed 3 stages charging process, with 25%~100% LED gauge indicator. Can be used for our rechargeable battery pack or the Roland supplied battery pack for single AA batteries. Note: this is a very fast charger and the batteries will become quite hot, but there will be no damage to the batteries. Features • Smart Charger with automatic voltage detection • Uses pulse and negative pulse technology to reduce battery overheating during fast charging • Automatic charge ending with negative delta V • 4 LED display indicator, from 25%~100% • Worldwide usage with 120-240V AC Specifications • Input: AC 100-240V • Output: 16V, 1.8A Operation Instruction •Connect battery pack to output connector and plug AC power source •Charger will detect battery voltage automatically, Red LED will be on during charging •When battery is fully charged, current will reduce to trickle charging at 50mA, Green LED will be on •Battery will be charged at 1.8A constant current •Approximate Charging time is about 1.5hrs for 3000mAh battery, Note: This is a pulse charger for long battery life and fast charging. This charger is not able to power the accordion.