... for promotional gifts Newest universal 2600mah portable power bank Specifications ModelRJ-I10Capacity2600mAhBattery CellLithium 18650 batteryShell MaterialABS+ ... , over discharge, over current, short circuitFeatures :The bank power 2600mah is Simple and fashion design, Ingenious! ... Smart load detection, automatically enter into sleep power saving mode under off-load condition, more power be ...