Battery type: rechargable Li-polymer battery. Voltage: Input: 24V-35V DC/1.8A - Output: 25.2V/25.9V 2.5A, 63Wh/64.75Wh
Charging time: about 3 hours. Battery duration: about 1 month for moderate use after fully charged.
DO NOT charge any electric device via USB ports(if any) on recliners if the power adaptor not connected.
When the battery makes a buzz,it's time to charge battery. A delayed charge may possibly bring damage to the battery pack.
The battery is designed with low voltage alarm, high temperature protection, overcharge protection to protect both your safety and the battery quality.