Specification: Type: Battery Model: 533-000191 Battery Type: Li-Polymer Battery Battery Condition: Brand New Replace Part Number: 533-000169 / 533-000191 623441 Note: please make sure your BATTERY model before order. Thank you! Compatible Notebook: Replacement for for Compatible with Astro A50 Series Wireless Gaming Headset Package included: 1X Battery NOTE:If your can not recognize the new battery, the battery cannot be fully charged or goes to 0% instantly?please change the laptop's Power Manager Charge Setting to the "Standard" mode? then discharge and recharge the battery 3-4 times. In this way? the battery may be recognized or recover to have a good capacit