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OrcaTorch Li-ion battery normally can charger over 500 times, but inactive storage may also reduce capacity, about 2-3 years.

In order to get battery balancing of battery pack and increase each cell's longevity, we will use the battery pack for the D630.

The battery pack can achieve battery balancing that maximize the capacity of a battery pack with multiple cells (usually in series) to make all of the capacity available for use and increase each cell's longevity.

Typically, the individual cells in a battery have somewhat different capacities and may be at different levels of state of charge (SOC). This is due to manufacturing variances, assembly variances (e.g., cells from one production run mixed with others), different histories experienced amongst the cells in a battery pack (e.g., charging/discharging, heat exposures, etc.) and must be accounted for to maximize life and service of the particular battery pack in use. Each battery pack will be, for these reasons, somewhat different and so every balancing circuit must be able to accommodate those differences. Without effective and appropriate balancing, discharging during use must stop when the cell with the lowest capacity is empty (even though other cells aren't); this limits the energy that can be taken from and returned to the battery.

1.Rinse the torch in fresh water after use in seawater to prevent corrosion, and please keep in clean, dry environment.

2.Please don't disassemble the sealed head, doing so may cause damage to the flashlight and will void the warranty

3.Please replace the O-rings if they are damaged after prolonged use and regularly lubricate the o-rings so as to not erode the rubber. Doing so will keep the flashlight properly sealed against water.

A: The battery is low power

Solution: Please get your battery full charged or replace with other battery (make sure the battery works well)

B: The threads, PCB board contact or other contacts are dirty. 

Solution: Clean the contact points with an alcohol soaked cotton swab. 

If it still does not work, please contact your local dealer for after-sale service.

In generally, if the battery power is lower than 3.4V, the diving light will change to lower mode automatically and can not change modes normally, in this case, please get the batter full charged and try again. If it still doesn't work, please contact the local dealer for after-sale service.