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EXTERNAL CHARGING
Fig. 6-5 External charging
1. Load the 18650B Li-ion battery into the battery charger with the positive
end toward the top of the charger.
2. Plug the charger into a standard wall outlet.
3. The charging is finished when the charger shows 100% or the voltage
shows 4.2V.
ATTENTION
• Ensure the battery is correctly loaded into the charger.
• The charger has built-in circuitry to prevent over-charging, however the bat-
teries should be removed from the charger and placed back into th carrying
case or the borescope after they are fully charged.
