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Batteries: lithium batteries 18650 * 4Input voltage: DC5-6VCharging current: DC 1000mA Output voltage: DC5V to 5.5VOutput current: DC 2000mAShutdown quiescent current: DC 20uA-45uAConversion efficiency of 90%1 piece 1W LED
4 pieces LED show the electrionic quantityMaterial :aluminium alloy
power bank for 12000mAh