Full charge of the battery can take up to 12 hours. The charger indicator light will be red when the battery is charging and green when the battery is fully charged.

Equilibrium Therapy Battery (7.4V 2200mAh)
For use with Equilibrium Therapy Battery Charger (Worldwide : Input 100-240V 50-60Hz 0.2A, Output DC 8.4V/400mA )

Important:

Power up with the Equilibrium Battery, suitable for powering the Equilibrium Massage Pad*, Massage Mitt and Massage Mitt Hotspot.
*needs to be purchased with the international charger for Navy or Black Massage Pads
PLEASE NOTE:
The Equilibrium Battery is designed to be used together with international charger.
The silver battery should not be used with the old-style charger.
The international multi-plug charger should not be used to charge an old-style black battery.
The Silver Battery will work with all styles and colours of Equilibrium Massage Pad, however it can only be charged using the Equilibrium International Charger.