Characteristic’s like, dependable power with long-lasting durability has made Energizer® 1632 Battery a universal lithium coin battery that powers a wide range of gadgets in your life with a flow of charge you can count on. Energizer CR1632 batteries are providing shelf life of 10 + years, so why not buy extras? So, grab the opportunity of our reduced price and make sure your wrist does not misses your favorite watch next time your battery runs out. Also known as: DL1632, BR1632, KL1632, L1632, ECR1632, KCR1632, E-CR1632, KECR1632 • Specification  Classification: "Lithium Coin"  Chemical System: Lithium / Manganese Dioxide (Li/MnO2)  Nominal Voltage: 3.0 Volts  Typical Capacity: 130 mAh (to 2.0 volts)  (Rated at 15K ohms at 21°C)  Typical Weight: 1.8 grams (0.06 oz.)  Typical Volume: 0.5 cubic centimeters (0.03 cubic inch)  Max Rev Charge: 1 microampere  Energy Density: 209 milliwatt hr/g, 754 milliwatt hr/cc  Typical Li Content: 0.036 grams (0.0013 oz.)  Operating Temp: -30C to 60C  Self-Discharge: ~1% / year