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type: portable car jump starter power; color: blue/red/yellow/black/white; battery capacity: 20000mah; usb interface output: 5v/2a; size: 14x7.8x1.8cm; buyers may return the item(s) for a refund if they are not as described or with quality issues within 7 days from the day the item(s) were received.the buyer is required to afford the returning delivery cost, based on the condition of the item(s) received.