The Yuasa SWL1100FR Flame Retardant Battery from Critical Power Supplies.SWL SERIES – Valve Regulated Lead-Acid BatteriesThe SWL range is an enhanced NPL design resulting in an improved energy to density ratio, giving up to 40% extra discharge capacity. All other attributes and operational characteristics are the same, thereby maintaining the benefit of a common mechanical and electrical design for users of both products.h2.Features and Benefits|. Description | Information || Nominal Voltage | 12 || Nominal Wattage/Cell | || 10 min to 1.6V/Cell | 200 || 5 min to 1.6V/Cell | 285 || 3 min to 1.6V/Cell | 346 || Weight (Approx)/Kg | 14.5 || Energy Density (Wh/L) | 96 || Specific Energy | || (Wh.kg) 10HR 36 | 37 || Internal Resistance | || (Approx)/mohm | 6 || Maximum (1 min) | || discharge Current/A | 200 || Maximum Short Duration || Discharge Current in Amperes | 500 || Operating Temperatures/°C | || Charge | -15 to 50 || Discharge | -20 to 60 || Percentage Charge Retention at 20°C | || 1 month | 97 || 3 months | 91 || 6 months | 85 || Standard Terminal Type | Lead Post with Brass insert C || Torque Nm | 2.45 || Case Material | ABS || Dimensions / mm || Length /-1 | 197 || Width +/-1 | 165 || Height +/-2 | 170 |Yuasa VRLA batteries can be used in any orientation excluding continuous use inverted.Standard case material is flame retardant to (UL94) HBØ.FR option case material is flame retardant to UL94:VØ (oxygen index 30).SWL batteries are manufactured in factories that comply with ISO9001:2000.FR option SWL’s comply with BS6290 Part 4 (1997).SWL batteries comply with IEC 60896-2122.Charging Methods (At 20°C)Standby use: Float charging voltage 2.275vpcCAUTIONAvoid short circuit.Do not charge in a sealed container.Service life and operational characteristics will be affected by temperature.AC Ripple reduces service life.