The Xbox One Play & Charge Kit's rechargeable battery pack is a green box that can be used in the Xbox Wireless Controller. The battery can be recharged while the Xbox is in standby or during play, and it can provide up to 30 hours of battery life per charge. The battery fully charges in under four hours and is a Li-ion battery that can last for 500–1000 full cycles, or about 15,000–30,000 hours of play time
