Scope of application; motherboard battery, car smart key, electronic scale, remote control, electronic watch, calculator, compatible batteries are CR2025, DL2025, DL2025B, ECR2025, KCR2025, BR2025, BR2025-1W, CR2025-1W, L12, LM2025, SB -T14, LF12V, LF1,5003LC, 208-205. Mercury-free and environmentally friendly CR2025 uses high-quality lithium ions, and does not contain harmful substances such as mercury and lead in the production process. It is safe, pollution-free and safer to use. The long-life CR2025 battery uses high-quality lithium-ion batteries with a service life of up to 3 years, and uses high-tech technology to make each battery have a high voltage. Effective power lock, quality assurance-KaPonsec CR2025 battery has 3V full power, can provide excellent voltage, adopts high-tech technology, low self-discharge rate, quality assurance, and can store the battery for a long time at home, please keep it in children Out of reach. KaPonsec CR2025 batteries are made of stable, safe and durable high-quality materials. It has good sealing performance, anti-leakage, anti-short circuit, safer, and can effectively protect your favorite equipment. It is the first choice for smart devices.