If you are looking for a replacement battery for your HP 15 (OA04) laptop, the Hewlett-Packard (HP) 15 Laptop Battery is a great option. It is affordable, reliable, and compatible with a variety of HP laptops.

Feature	Description
Product name	Laptop Battery for HP OA04
Voltage	14.8 V
Capacity	2600 mAh
Watt-hours	38 Wh
Full capacity	2000 mAh
Battery Type	4-Cells
Compatible models	HP 240 G2, HP 250 G3, HP TPN-F113, HP TPN-F115, HP OA04, HP OA0404, HP OA03, HP 746641-001, HP 740715-001, HP HSTNN-LB5Y, HP TPN-C113, HP HSTNN-LB5S, HP HSTNN-PB5Y, HP F3B94AA