7
ENSURE THE BATTERY IS NEAR ROOM TEMPERATURE BEFORE
CHARGING. DO NOT CHARGE THE BATTERY IN EXTREMELY HOT
OR COLD AREAS. THE BATTERY CAPACITY MAY BE DECREASED IF
CHARGED IN AN EXTREME TEMPERATURE ENVIRONMENT.
THE STATUS LED POWERS ON WHEN THE BATTERY IS BEING
CHARGED. THE STATUS LED TURNS OFF WHEN CHARGING IS
COMPLETE.
THE DEVICE IS NOT MEANT TO BE USED WHILE CHARGING.
KEEP
THE DEVICE POWER OFF WHEN CHARGING.
IF YOU DO NOT USE THE ACOUSTIC DEVICE FOR A LONG PERIOD
OF TIME, PUT THE DEVICE IN A COOL AND DRY ENVIRONMENT.
THE BATTERY WILL DISCHARGE OVER TIME; THEREFORE, THE
ACOUSTIC DEVICE SHOULD BE CHARGED OCCASIONALLY TO
PREVENT DAMAGE TO THE BATTERY OR THE ACOUSTIC DEVICE.
IT TAKES 4-6 HOURS TO CHARGE AN EMPTY BATTERY TO FULL.
WHEN THE BATTERY IS FULLY CHARGED, THE DEVICE DISPLAYS
4 GRIDS OF ELECTRICITY AND CAN BE USED FOR UP TO 6 HOURS;
3 GRIDS CAN BE USED FOR ABOUT 2.5 TO 3 HOURS; 2 GRIDS CAN
BE USED FOR ABOUT 1.5 TO 2 HOURS; 1 GRID CAN BE USED FOR
ABOUT HALF AN HOUR TO 1 HOUR.