MSJ series MSJ 300 2V 305AH Valve Regulated Lead Acid Battery Maintenance-Free Sealed Lead Acid Battery. Absorbent Glass Mat (AGM) technology for efficient gas recombination of up to 99%. Design for Standby Power Applications 【 Float Charging Voltage】 2.21 ~ 2.25 VDC/Unit at 25℃ (77℉) 【Equalization Charging Voltage 】 2.35 VDC/Unit at 25℃ (77℉) 【 Self Discharge】 Less than 10% after 90 days, can be stored up to 6 months at 25℃ (77℉); Fully recharging is required before usage, and charged sooner if stored at higher temperature than 25℃ (77℉). 【Design Life】 Up to 20 Years in Standby Service at 25℃ Eurobat (20℃) : 12 years and longer, Long Life 【 Operating Temperature Range】 Nominal Operating Temperature : 25℃(77℉) Discharge : -20℃ ~ 50℃ (-4℉~122℉) Charge: 0℃ ~ 40℃ (32℉~104℉) Storage: -20℃ ~ 40℃ (-4℉~104℉) Specification Nominal Voltage 2V (single cell per unit) Nominal Capacity 305 Ah @10hr-rate to 1.80V per cell @25℃ (77℉) Weight Approx. 21.80 Kg (48.05 lbs) Maximum Discharge Current 1800 A (5sec) Internal Resistance Approx. 0.33 mΩ Short Circuit Current 5075A Maximum Charge Current 90 A Terminal type I4 thread copper alloy terminal to accept M8 bolt Terminal hardware Torque 414 Kgf-cm / 359 Lbf-in / 40.57 N-m Container Material Flame Retardant ABS (UL 94-V0) Dimensions Depth (D) 170.0±2.0 mm Width (W) 150.0±1.5 mm Container height (h) 331.0±2.5 mm Overall Height (H) 339.0±2.5 mm 6.69±0.08 inch 5.91±0.06 inch 13.03±0.10 inch 13.15±0.10 inch Constant Current Discharge Characteristics Unit: A (25℃, 77℉) F.V/Time 1.60V 1.67V 1.70V 1.75V 1.80V 1.83V 15MIN 556 498 468 421 360 318 30MIN 372 354 342 311 276 253 60MIN 228 222 218 207 191 179 2HR 131 129 128 125 120 114 3HR 93.6 92.6 92.0 90.3 87.1 83.7 4HR 72.4 71.6 71.1 69.8 67.4 65.0 5HR 59.0 58.4 58.1 57.1 55.3 53.5 6HR 50.0 49.5 49.2 48.4 47.1 45.7 8HR 39.1 38.7 38.5 38.0 37.0 35.9 10HR 32.3 32.1 31.9 31.5 30.7 29.8 20HR 16.2 16.0 16.0 15.7 15.3 14.9 24HR 13.5 13.4 13.3 13.1 12.8 12.4 10HR 60.2 59.7 59.5 58.6 57.0 55.2 20HR 30.1 29.9 29.7 29.3 28.5 27.6 Issued: 24HR 25.1 24.9 24.8 24.4 23.7 23.0 161212 Constant Power Discharge Characteristics Unit: W (25℃, 77℉) F.V/Time 15MIN 30MIN 60MIN 2HR 1.60V 974 675 414 249 1.67V 905 649 406 247 1.70V 869 633 400 245 1.75V 794 591 384 240 1.80V 712 534 358 231 1.83V 642 498 338 221 Please refer to the official site for the latest rating confirmation. 3HR 4HR 5HR 179 141 117 177 140 116 176 139 116 173 137 114 168 134 112 162 130 108 URL: www.csb-battery.com Sales Offices 6HR 100 99.7 99.3 98.1 95.7 93.3 8HR 76.9 76.3 75.9 74.8 72.5 70.3 Recognized under UL 1989, and certified by ISO 9001, 14001. BUSINESS HEADQUARTERS Tel: +886-2-2880-5600 Fax: +866-2-2888-3300 USA OFFICE Tel: +1-817-244-7777 / 1-(800)3-CSB-USA (272872) Fax: +1-817-244-4445 EUROPE (EMEA) OFFICE Tel: +31(0)180-418-140 Fax: +31(0)180-418-327 TAIPEI OFFICE Tel: +886-2-2880-5600 Fax: +866-2-2888-3300 SHENZHEN OFFICE (CHINA) Tel: +86-755-8831-6488, 8831-6775 Fax: +86-755-8831-6075 SHANGHAI OFFICE (CHINA) Tel: +86-21-5046-1622, 5046-0833 Fax: +86-21-5046-1046 BEIJING OFFICE (CHINA) Tel: +86-10-5820-5336, 5820-5338 Fax: +86-10-5820-3053