Good Performance: CR2 batteries deliver high energy density, outlasting standard alkalines by 3-5 times in high-drain devices like digital cameras. Portable Design: Lightweight by 33% compared to standard batteries, perfect for travel, camping, and hiking. Extended Shelf Life: With a 10-year lifespan and low self-discharge rate, EBL CR2 batteries are environmentally friendly, reducing waste. Safeguard Design: Equipped with a sealed cover, heat dissipation holes, and PTC protection to prevent explosions from high temperatures. Ideal Replacement: EBL CR2 can replace 1CR2, 5046LC, CR15H270, CR17355, DLCR2, EL1CR2, KCR2, RLCR2-2. Wildly Compatible: Suitable for variety of devices including laser boresighter, tactical green laser sight / scope, Photo cameras, laser pointer, Flashlights, light meters, and Mini 25/ Mini 50 /Mini 50S/ Mini 55 Pivi MP-100 & SP-1. (Do not attempt to charge other photographic equipment.) Specifications Battery Size CR2 Batteries Brand EBL Rechargeable No Voltage 3V Battery Technology Lithium Capacity 800mAh Application Flashlights, digital cameras, light meters, and lots of other popular photo equipment. Weight of single battery 0.39oz Dimension of single battery 15.0*27.0mm Note These are NON-rechargeable battery cells and should NOT be recharged. These are CR2 Lithium batteries. They are NOT the same as CR123A batteries and CANNOT be used interchangeably with CR123A batteries.