How much does this cost to the nearest dollar?

Google Pixel 4 XL Battery, SNSOU Li-Polymer Replacement Battery for HTC Google Pixel 4 XL with Repair Replacement Kit Tools
FEATURES Upgrade your phone via replacement battery. Manufactured and tested under strict quality control standards. SNSOU Google Pixel 4 XL Battery uses Grade A+ rated battery cells with CE and ROHS certification. Long-Lasting Replacement Google Pixel 4 XL Battery. Using original technology, perfectly matches your Google Pixel 4 XL. Each Google Pixel 4 XL li-Polymer internal batteries is designed to last over 500 repeated battery charge cycles Upgraded chip will prevent your Google Pixel 4 XL battery from over-heating, short-circuiting, over charging or over discharging. SPECIFICATIONS Battery Capacity Battery Type Li-Polymer Voltage 

Price is $21.00
Price: $20.8