BP28-12-B1

VRLA Rechargeable Battery Measures BP28-12 FEATURES Technology Values Innovation APPLICATION Maintenance free(no water topping-up required). No free acid(Non-spillable battery). Low self-discharge rate, lower than 3% capacity loss per month. Can be used in any orientation(excluding used inverted). Absorbent Glass Mat technology for efficient gas recombination. UPS Golf-Carts Lawn Mowers Wheelchairs Electronic Medical Equipment SPECIFICATIONS Nominal Voltage Nominal Capacity Approx. Weight Terminals Internal Resistance Max. Discharge Current Max. Charge Current 12 V 28Ah @ 20 hour rate F.V.(1.75V/cell) 9600g(21.17lbs.) B1 (Fitting M5 bolt & nut) , T2 and I1 are optional (Fully Charged ) 10m 420 A (5 sec.) 8.4 A Charge 0oC~40oC(32oF~104oF) Discharge -20oC~50oC(-4oF~122oF) Storage. -20oC~40oC(-4oF~104oF) Operating Temperature Range Container Material IEC 61056-1 JIS C 8702-1 GB/T 19639.1 Standard: ABS( UL 94-HB) BP28-12 Optional: Flame Retardant ABS(UL 94-V0) BP28-12FR DIMENSION(mm/inch) OUTER DIMENSIONS TERMINAL TYPE Length 125±1.5 (4.92±0.06) [M5 BOLT & NUT] Total Height 125±1.5 (4.92±0.06) F.V. (V/cell) 1.80V 1.75V 1.70V 1.65V 1.60V 5 Min 10 Min 15 Min 30 Min 1.80V 1.75V 1.70V 1.65V 1.60V Unit: W 1 Hr 3 Hr 5 Hr 10 Hr 20 Hr 745 597 355 203.8 81.6 56.3 31.45 16.55 1172 807 625 369 209.9 83.2 57.1 31.92 16.80 1245 836 644 377 213.7 84.0 57.4 32.08 16.88 1301 856 659 383 216.2 84.6 57.6 32.18 16.93 1344 874 672 386 218.4 85.1 57.8 32.18 16.93 o Constant current discharge characteristics at 25 C/77 F F.V. (V/cell) [M5 BOLT & NUT] 1012 o Discharge Time M5x0.8 Terminal Hardware Initial Torque: B1 (2.5Nm±5%),I1(4.0Nm±5%) Constant power discharge characteristics at 25 oC/77 oF Discharge Time 7.95(0.31) Terminal I1 2.0(0.08) Container Height 5.5(0.22) 166±1.5 (6.54±0.06) 3.4(0.13) 2.0(0.08) 11.0(0.43) 4.5(0.18) 12.0(0.47) Terminal T2 0.8(0.03) 6.35(0.25) Terminal B1 175±1.5 (6.89±0.06) Width 5 Min Unit: A 10 Min 15 Min 30 Min 1 Hr 3 Hr 5 Hr 10 Hr 20 Hr 91.2 65.6 51.9 30.1 17.12 6.80 4.69 2.621 1.379 107.5 71.1 54.3 31.3 17.64 6.94 4.76 2.660 1.400 114.2 73.6 56.0 32.0 17.96 7.00 4.79 2.673 1.407 119.3 75.4 57.3 32.4 18.17 7.05 4.80 2.681 1.411 123.3 76.9 58.4 32.7 18.35 7.09 4.82 2.681 1.411 All data and artworks shall be changed without prior notice, BB reserves the right to explain and update the information contained hereinto. A/3 REV. Dec. 2013 Powered by B.B. Battery Co., Ltd.