Review on Power Up Your Devices With TalentCell 24V Lithium Ion Battery Pack - Rechargeable 42980MAh With Multiple Outputs by Jeff Bremmer

Purchased battery and cord in March 2022 to power ResMed Air Sence 10 CPAP, charged per instructions and tested cpap operation at home got 3 1/2 nights, fine. took camping charged per instructions used 2 nights worked fine. took on road trip and had 4 nights camping, charged per instructions, would not operate suffered 4 nights, got home and checked voltage, got 29.4 vdc, usb working fine, charged everything usb I could find at home checking battery voltage and checking if would run cpap, when battery voltage got to 26.9vdc cpap would operate. cpap runs normally on ResMed supplied power hook up. charger gets very hot when charging battery.