Do not worry about recharging your oxygen generator. The 2200mAh battery will fully charge it.
Color: white
Power consumption: 2200mAh
Item: 14.8V 2200mAh Battery Adapter for Portable Oxygen Concentrator Generator
Charging time:1.5-2Hours
Last time:50~60mins when fully charged
Package included:
1 x 2200mAh rechargeable battery
1 x Battery Charger US Plug(Optinal)