Energizer batteries are praised for their excellent quality, long-lasting performance, and reasonable price. They are suitable for various applications such as digital measuring equipment, key fobs, and biking equipment. However, one user experienced flat batteries in the pack.

This MCOS battery is praised for its easy installation, perfect fit, and compatibility with various laptop models. It effectively solves sleep and podcast issues. However, the adhesive tape is too thick and may require removing for some laptop models.

This MCOS battery is highly recommended for its quality, design, and ease of use. It works well for various laptop models, including the compress California. However, some users experienced issues with the cable length and one reported a short lifespan.