8 Cell Battery for Portable Oxygen Concentrator NT-03 & NT-05

Check out our latest addition- a longer-lasting 8-cell battery that extends your NT-05 using time up to 5.5 hours!Delivery time: About 5-10 Business Days(Note: We do not support PoBox addresses) Please note: 1. The accessories will be shipped separately from the oxygen concentrator2. The oxygen concentrators take about 3-5 business days to arrive. (US)3. The accessories do not apply to the return and refund policy.  The battery and charger only match the Portable Oxygen Concentrator NT-03/NT-05 More details about the Oxygen Concentrator NT-03 machine. More details about the Oxygen Concentrator NT-05 machine. 5000 mAh Battery Using time 3.5 hours for NT-05; 5 hours for NT-03 Charging time 2 hours for NT-03 & NT-05 Weight 1.13 lb Voltage 14.8V Capacity 5.0Ah/74.00Wh Charging voltage 16.8V Standard GB/T31241-2014 Comparison between 4 cell battery and 8 cell battery