AA size Lithium Thionyl Chloride Cylindrical Cell.High energy, high reliability 3.6 volt power source.Excellent memory backup power source.Low self discharge rate gives this cell a 10 year shelf life.Stable voltage and broad temperature range -60 to +85??C.Replacement For:104186-001, 15-5104-21000, 1770-XY, 3B940, 418-0042, 60-0515-000, 6135-01-301-8776, 6630-U1, 6ES5-980-0AE11, 94060101, 94112601, 96686102, 96686102-batt, 96726402, ER6AA, ER6H, LS14500, LS6, LTC-17C, LTC17C, T06/41, T06/51, TL-5104, TL-5104/S, TL4903, TL4903S, TL5104, TL5104/S, Y16451001, 1771 Series, 1772 Series, 1772-LR, 1772-LS, 1772-LSP, 1772-LW Series A, 1772-LWP Series A, 1772-LWP Series A, 1772-LX Series B, 1772-LXP Series A, 5130-RS2, 5130-RS5, 5150-RM1, 5150-RM2, 5250-LP1, 5250-LP2, 5250-LP3, 5250-LP4, 6008-LTV Series, 6632-P3A, 6632-P3B, 6632-P3C, 6633-P3, 6634-P3, A-2/05, A-2/16, A-2/17 Series, MINI-PLC-2, MINI-PLC-2/05, MINI-PLC-2/16, MINI-PLC-2/17, 1785-LT, 1785-LT2, 1785-LT3, 1785-LT4, PLC-5/12 Classic, PLC-5 Series, PLC-5/25 Classic, PLC-5/250 Pyramid Integrator Remote, PLC-5/250 Pyramid Logic Processor, PLC-5/250 Pyramid Resource Manager, Series A Basic Module, Series B Basic Module, VistaMap PLC-3 BroadBand Network, VistaMap PLC-3 CarrierBand Network, 1770-XY, 6630-U1, PLC-5/15 Classic, PLC-5 VME, PLC-5/10 Classic, PLC-5/30 EnhancedEnergy+ PartLS14500-BABrandSaftTypeLithiumVoltage3.6Capacity2450 mAhColorWhite GreenSize0.56" dia. x 1.97" tallContactsButton TypeWarranty12 Months/Manufacturers Use WarningThis batteryis a non-rechargeable battery.DO NOT CHARGE THE BATTERY!Do not use if the battery casing is damaged. Please discharge the battery for a few minutes with 100mA. Don't use different models of battery in series. This is not ahigh drain battery, please don't use it for the applications with discharging current > 200 mA! The storage area should be clean, cool not exceeding +30 Deg C , dry and ventilated