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Insert the plug of the charger into
the wall receptacle. The RED light
will illuminate and stay red.
RED Light is ON
Place the battery pack into the charger by
sliding the battery forward until it is fully seated.
Mantis charger also works as a battery
diagnostic center and the charger’s LED’s will
illuminate in specific order to communicate the
current battery status. See table below.
CHARGER’S LED INDICATOR
RED is ‘ON’ continuously, GREEN is ‘BLINKING’ Battery is charging
GREEN is ‘ON’ continuously and RED is ‘OFF’ Battery is fully charged. Remove the battery from the charger.
Two lights are ‘BLINKING’ RED & GREEN
Abnormal Temperature. The battery pack is either too hot or too
cold
GREEN light is ‘OFF,’ the RED light is ‘BLINKING’
Something is wrong with the battery. Remove and Replace it.
Contact Mantis Customer Service center at 1-800-366-6268 for
assistance.
• When charging is complete, remove the battery by sliding it out.
NOTE: Typical time required to reach a full charge is around 100 minutes.
CHARGING A HOT OR COLD BATTERY PACK
Batteries operate over a wide temperature range, but this does not give permission
to also charge them at these conditions. The charging process is more delicate than
discharging and special care must be taken. Extreme cold and high heat reduce
charge acceptance, so the battery must be brought to a moderate temperature
before charging.
If two charger indicator lights are flashing RED & GREEN, it means that the battery
pack temperature is outside the charging range. Once the pack is within the
acceptable range, normal charging will take place. Hot or cold battery packs may
take longer to charge.
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Lithium-Ion Charging Status
Battery Pack
Temperature
Indicator Lights Charging Status
Too hot
Two lights are flashing
RED & GREEN
Not charging
Normal range
RED is ‘ON’ continuously,
GREEN is ‘BLINKING
Normal charging
Too cold
Two lights are flashing
RED & GREEN
Not charging
Contact us at www.mantis.com
Charger Information (continued)