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The Respironics EverGo Rechargeable Battery is an extra-long life lithium ion battery that helps to provide patients with a greater oxygen capacity and decreases their dependence on the portable concentrator device.
Product Specifications:
• Easy to use, change, and charge.
• Charging does not stop operation.
• For use with Respironics EverGo portable oxygen concentrator.
• 7.2 x 4.2 x 9.5 inches.
• 13.4 oz.
• Each.
![](http://cdn.shopify.com/s/files/1/1632/5913/files/size_guide.png)
size | chest(in.) | waist(in.) | hips(in.) |
---|---|---|---|
XS | 34-36 | 27-29 | 34.5-36.5 |
S | 36-38 | 29-31 | 36.5-38.5 |
M | 38-40 | 31-33 | 38.5-40.5 |
L | 40-42 | 33-36 | 40.5-43.5 |
XL | 42-45 | 36-40 | 43.5-47.5 |
XXL | 45-48 | 40-44 | 47.5-51.5 |