If you're in search of a replacement battery for your Watch Series 4 44mm, look no further than the Battery A2059. This battery comes with a 3.78V power supply and a remarkable 291.8 mAh capacity. We guarantee to offer you a high-quality battery that will ensure the optimal performance of your device. The Battery A2059 is specifically designed to be the perfect fit for your Watch Series 4 44mm, providing you with reliable and long-lasting power. Say goodbye to battery concerns and enjoy seamless usage with this exceptional replacement battery.