Datasheet
Battery Charger for Mobile Telephony Endpoints
www.grandstream.com
GMC08
Charging Battery Type Lithium Ion battery
Charging Battery Count Up to 8 batteries
LED 8 independent dual color LEDs for charging/discharging status
Fan 1 fan for temperature control
Other Features
Three capacity levels: Low-capacity (20%-30%) for sea/land/air transport,
intermediate-capacity (60%) for extended duration transporation and storage, and
high-capicty (100%) charging
Safety
Auto temperature control with cooling fan for high temperatures
Device shut o under extreme temperatures
Power & Green Energy
Eciency
Universal power adapter included:
Input: 100 ~ 240V 50/60Hz;
Output: 12VDC 2A (24W)
Temperature & Humidity
Operation: 0-55 °C
Storage: -10-60 °C
Humidity: 10-90% (non- condensing)
Unit Dimensions 220mm x 190mm x 54mm
Net Weight 466g
Package Content GMC08 charger, power adapter, quick installation guide
GMC08 is Grandstream’s battery charging pack for the WP820 Cordless WiFi IP Phone. It features
8 independent slots to fully charge or discharge multiple batteries simultaneously. For added
exibility, the GMC08 comes with three charging capacities for air shipment, storage capacity
control and long endurance. It oers reliable performance and eciency thanks to built-in over-
voltage, over-charge, over-current, and short-circuit management as well as leak protection.