EasyPulse POC External Lithium-ion Battery

The Precision Medical EasyPulse Oxygen Concentrator External Battery is an additional power source that is used with the EasyPulse POC-3 and EasyPulse POC-5. It is the perfect complement to your EasyPulse POC. It attaches to the EasyPulse Concentrator and provides approximately 3 additional hours of use. You can enjoy more time outside doing many of the things you thought were no longer possible. Being on oxygen no longer means being stuck indoors.

Features
External lithium-ion battery for provides up to 5.5 hours of duration for the EasyPulse POC-3 and up to 4.7 hours for the EasyPulse POC-5
External battery is not intended to be charger while connected to your EasyPulse POC
 Proper Use: To prolong life of the battery, it is best to charge the battery frequently instead of waiting until the battery is fully discharged
 Storage: When storing for prolong periods of time without use (longer than one month) be sure to charge the battery to around 50% charge level     to prolong life of the battery