Klein Blackbox+ series User Manual page 5

Warning:
Please prevent the battery electrode from contacting with any metal conductors such as jewels or keys.
Precautions in Charging
The battery is not charged in factory. Please charge the battery before initial use or after longtime storage. Repeat
charging 2 or 3 times and the battery will reach normal capacity. Please change or charge the battery if the power
is low. If the battery power consumes quickly after a normal charge, the battery life is finished. Please replace the
battery pack.
4
Charging Steps:
Please charge as follows:
1. Connect the adapter with the charger.
2. Plug the adapter into an AC outlet.
3. The charger is ready for charging if the indicator lights red for one
second and goes off. If the indicator flashes, the charger is not ready.
4. Place the battery into the charger slot.
5. The indicator lights red when charging. If the battery power is too
low, the indicator flashes. The battery is first trickle charged and turns
to normal charging automatically.
6. The battery is fully charged when indicator light is green. The
charger stops charging automatically.
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