How much does this cost to the nearest dollar?

Timeusb Battery Cycle Battery with Upgraded 100A BMS, Compact Lithium Battery, Lifetime for Off-grid Applications RVs Marine Travel Trailer Camping
Upgraded Grade-A Battery Cells Adopts automotive-grade battery cells for a 12.8V 100Ah Pro lithium battery, allowing it to perform 4000+ cycles with a ideal battery cell structure. Optimizes the battery pack's inerstructure, helping to prevent internal damage, and aid in ease of lifting and handling. 1280Wh Usable Energy Output 2X increase in energy output efficiency over 12V 100Ah lead-acid batteries. Massive energy storage by 16 12.8V 100Ah Pro batteries in 4P4S connection, capable of powering it all from RVs to large

Price is $300.00
Price: $299.99