Dimensions (Overall): 3.75 Inches (H) x 1.8 Inches (W) x .85 Inches (D)
Volts: 5 volts
Battery Capacity: 4000 (mAh)
Package Quantity: 1
Battery: 1 Non-Universal Lithium, Required, Included
•4,000mAh
•4 Bar LED Battery Status Indicator
•Output: 5V, 1.2A
•Input: 5V micro-USB
•LED Flashlight
•Recharge time: 4 hours
HealthMate Battery Pack 4000mAh for Active Heat Knee & Back Wrap.
The battery pack is designed to be the heart of the system. The battery pack is able to be charged via micro-USB (cable included) and has a single LED flashlight built in! What’s more is the battery pack can also charge your smartphone and other USB powered devices.