(3) Rotate the head lamp 180 degrees clockwise, make sure the anode touch of the head
lamp is closely connected to the connected metal base (anode). Then the indicator
light turns red, which means the lamp is being charged.
(4) When it's charged by NWB-25/NWB-25A single portable charger or the intelligent
chargers racks, the indicator light of the charger keeps flashing from green to red, it
means the battery has been charged at least 90%. The cap lamp can work more than
13h continuously if charging is stopped at this moment. If the indicator light of the
charger flashes green only, then the battery has been fully charged.
(5) When it's charged by NWB-20 single portable charger or the traditional chargers racks,
the battery has been fully charged if the indicator light of the charger turns green.
(6) Rotate the head lamp 180 degrees anti-clockwise; take it away from the charger.
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