Sonic Impact Technologies Sonic Impact Video-55 - Manual (Page 12)

5 Use of battery
A rechargeable lithium-ion battery is used in this device. Please operate as described below.
1) Charge the battery
a. Connect adapter to the "DC IN" socket of this device.
b. Plug the power adapter into an AC power outlet.
· When charging starts the charging indicator light glows red.
· When charging is finished, the indicator light turns green.
· Charging usually takes 4-6 hours depending on the operating environment.
2) Important points
a. The charging time should not be shorter than 12 hours before the first use. This can help to
extend the average life of the battery.
b. If the ambient temperature is too high, the battery may not be able to work since the device
has protective safety features.
c. Please remove the battery from the main unit if this device will not be used for an extended
time. Avoid keeping the battery in the main unit for a long time since a weak current will flow
out continuously, leading to excess battery discharge. In some cases, the battery may be
unusable even when it is recharged.
d. If the battery is not fully charged, the picture may become unstable. Please make sure that the
battery is fully charged before using the device.