Product Reference Guide for Windows 10

Accessories
63
4. Insert Power Pack into slot until it snaps into place.
Power Pack Charging
Charge Power Packs in ambient temperatures from 0°C to +50°C (32°F to 122°F) as reported by the
Power Pack. Charging is intelligently controlled by the charger. To accomplish this, for small periods of
time, the charger alternately enables and disables Power Pack charging to keep the battery at acceptable
temperatures.
The Power Pack charge LED shows the status of the battery charging. The Power Pack charges in less
than three hours. When charging, the Charge LEDs indicate the charge level.
Charging the Power Pack Using a Dock
With the Power Pack installed in an Expansion Back, place the device into a dock. The Power Pack
charges in less than 3.5 hours.
Charging the Power Pack Using the 4-Slot Battery Charger
CAUTION: Ensure that you follow the guidelines for battery safety described in Battery Safety Guidelines.
Use the 4-Slot Battery Charger to charge up to four Power Packs.