Upgrade the power source of your Oppo mobile phone with this high-quality battery. With a capacity of 4200 mAh and a voltage of 3.85 V, this battery guarantees longer-lasting performance for your device. It is compatible with the Oppo CS-OPA500SL model and comes in a sleek black colour. This battery is a reliable replacement for your old and worn-out battery. It is designed to provide consistent and stable power to keep your device running smoothly. It is also easy to instal, making it a hassle-free upgrade for your mobile phone. Get this battery today and enjoy uninterrupted usage of your Oppo mobile phone.