BR-2\/3A Lithium Non-rechargeable Battery offers reliable power for your electronic devices. It lasts five times longer than alkaline batteries. This high-voltage, industrial-strength, long-life battery is engineered for high-tech electronic devices, tools and instruments. Use in cameras, laser sights, weapon-mounted lights, flashlights, toys, dog collars, keyless entry devices and electric fences. Leakproof packaging is moisture-resistant and equipped with a die-cut, tear strip for easy opening.