High Capacity: XUNIUZERO 3 Volt CR2 lithium batteries Non-rechargeable 1000mAh capacity and higher energy density, ensuring reliable and long-lasting power for your devices. Long battery life: CR2 3V batteries with 10 years shelf life when properly stored, making our CR2 batteries ideal for emergency kits and backup power needs Leak Protection: XUNIUZERO CR2 rangefinder batteries use high quality lithium cells with an advanced leak-proof design, ensuring your equipment is protected from potential damage caused by battery leakage. Reliable performance: CR2 3V lithium battery provides stable performance in extreme temperatures from -40°F to 158°F, ideal for outdoor adventures and all environments. Replacement: CR2, 5046LC, CR15H270, CR17355, DLCR2, EL1CR2, KCR2, RLCR2-2 xuniuzero 3v lithium battery can be used for flashlight, digital camera, range finder, electric meter, toy, smoke detector, doorbell and more Fast flash performance, consistent and very short recovery time. Ideal for travel, camping, hiking and use in high-drain game controllers, handheld electronics and power tools. Safety Tips: This CR2 battery is single use battery only , please don’t charge it. XUNIUZERO CR2 3V Lithium Batteries (4-Pack) CR2 3 Volt 1000mAh High Power Battery Long-Lasting for Video and Photo Cameras Lighting Equipment and More