... over-discharging, over current and short- circuit protection, more safeguard for using. ColourBlack, white Charging life cycleOver 500timesWarranty12 ... fully charged in 1 to 2 hours, using a constant-current / constant-voltage (CC/CV) type dedicated charger with ... battery technology has excellent features, such as: High energy density, high voltage, good storage and cycle life characteristics. Our ...