GP series GP 1272 7.2AH 12V 8.5AH 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】 13.5 ~ 13.8 VDC/Unit at 25℃ (77℉) 【Equalization Charging Voltage 】 14.4 ~ 15.0 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 5 Years in Standby Service at 25℃ Eurobat (20℃) : 3-5 years, Standard Commercial 【 Operating Temperature Range】 Nominal Operating Temperature : 25℃(77℉) Discharge : -15℃ ~ 50℃ (5℉~122℉) Charge: -15℃ ~ 40℃ (5℉~104℉) Storage: -15℃ ~ 40℃ (5℉~104℉) Specification Design according with IEC 61056-1/2: 2012 Nominal Voltage 12V (6 cells per unit) Nominal Capacity 8.5Ah @20hr-rate to 1.75V per cell @25℃ (77℉) Weight Approx. 2.40 Kg (5.29 lbs) Maximum Discharge Current 100/130A (5sec) Internal Resistance Approx. 23.0mΩ Short Circuit Current 276A Maximum Charge Current 2.16A Terminal types F1/F2 terminal -Faston Tab 187/250 Terminal hardware Torque -- Container Material ABS (UL 94-HB) & Flame Retardant (94-V0) available upon request Dimensions Length (L) 150.9±2.0 mm 5.94±0.08 inch Width (W) 64.8±1.0 mm 2.55±0.04 inch Container Height (h) 94.3±1.0 mm 3.71±0.04 inch Overall Height (H) 98.6±1.0 mm 3.88±0.04 inch Constant Current Discharge Characteristics Unit: A (25℃, 77℉) F.V/Time 1.60V 1.67V 1.70V 1.75V 1.80V 1.85V 5 MIN 34.8 33.2 32.1 30.0 27.5 24.2 10MIN 21.5 21.2 20.9 20.1 18.7 16.9 15MIN 15.9 15.7 15.5 15.1 14.4 13.1 30MIN 9.22 9.18 9.13 8.98 8.68 8.14 60MIN 5.37 5.35 5.33 5.29 5.18 4.96 90MIN 3.92 3.91 3.90 3.88 3.83 3.72 2HR 3.11 3.10 3.09 3.08 3.05 2.96 3HR 2.24 2.23 2.22 2.21 2.20 2.14 5HR 1.48 1.47 1.46 1.45 1.44 1.40 8HR 0.990 0.988 0.986 0.982 0.971 0.942 10HR 0.817 0.815 0.813 0.810 0.800 0.776 20HR 0.441 0.440 0.439 0.437 0.432 0.418 8HR 12.1 12.0 11.9 11.8 11.7 11.5 10HR 9.90 9.89 9.88 9.85 9.76 9.51 Issued: 20HR 5.36 5.35 5.34 5.32 5.27 5.12 161227 Constant Power Discharge Characteristics Unit: W (25℃, 77℉) F.V/Time 5MIN 10MIN 15MIN 30MIN 60MIN 90MIN 2HR 1.60V 365 238 179 108 63.2 46.5 36.9 1.67V 353 234 178 107 63.1 46.4 36.8 1.70V 346 232 177 106 63.0 46.3 36.7 1.75V 329 224 173 105 62.6 46.2 36.6 1.80V 304 212 165 103 61.6 45.7 36.3 1.85V 276 195 153 97.6 59.5 44.5 35.4 Please refer to the official site for the latest rating confirmation. URL: www.csb-battery.com Sales Offices 3HR 26.7 26.6 26.5 26.4 26.3 25.6 5HR 17.6 17.5 17.4 17.3 17.2 17.0 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