16
Battery Tips
WARNING !
Always use only approved batteries and chargers with your MiFi 6620. The
warranty does not cover damage caused by non-approved batteries and/or chargers.
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It normally takes at least three hours to fully charge the battery with the wall charger.
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Do not use sharp objects or use excessive force to remove the battery or to access the battery
well, this may damage the MiFi 6620 and the battery.
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The battery discharges more rapidly as additional devices access your MiFi 6620.
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Battery life depends on the network, signal strength, temperature, features, and accessories
you use.
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New batteries or batteries stored for a long time may take more time to charge.
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When charging your battery, keep it near room temperature.
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When storing your battery, keep it uncharged in a cool, dark, dry place.
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Never expose batteries to temperatures below -20°C (4°F) or above 60°C (140°F).
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Never leave the MiFi 6620 in an unattended vehicle due to uncontrollable temperatures that
may be outside the desired temperature for this MiFi 6620.
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Some batteries perform best after several full charge/discharge cycles.
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It is normal for batteries to gradually wear down and require longer charging times. If you
notice a change in your battery life, it is probably time to purchase a new battery.
IMPORTANT
Whenever you remove or insert either the battery or the SIM card, ensure your
MiFi 6620 is not connected to any device or power source. Never use tools, knives, keys, pens, or
any type of object to force the door open or to remove the battery. Using any of these types of
objects could result in puncturing the battery.