CR12600SE Battery, 3 V, Lithium, 1.4 Ah, Raised Positive and Flat Negative, 12 mm. The CR12600SE is a 3V/1.4Ah Non-rechargeable Battery features a lithium technology, raised positive and flat negative terminals. Stainless tab and nickel wire are solder-plated, provided with insulating tube. High capacity cylinder type unit cell batteries are not nickel-plated. Use with connection terminals.