The Ccell M4 battery is a high-quality rechargeable battery specifically designed for thick oil and cartridges. With a standard 510 thread interface and a C type charger, this coin cell/button battery provides reliable power for various devices. The Li-Ion chemical composition ensures a long-lasting and efficient charge, making it an ideal choice for those in need of a multipurpose battery for their sound and vision equipment. The Ccell brand ensures a trusted and reliable product for all your power needs.