Maintenance-Free Rechargeable Sealed Lead-Acid Battery BP28-12 The battery is constructed by plates, separators, safety valves and container. Since the electrolyte is held by a glassmat separator and plates, the battery can use in any direction and position without leakage. PERFORMANCE SPECIFICATIONS Nominal Voltage(V)...........................................................................................................................................12 volts(6cells in series) Nominal Capacity(AH) 20 hour rate F.V.(1.75V/cell) (1400mA to 10.50volts) ......................................................................................................28.0A.H. 10 hour rate F.V.(1.75V/cell) (2660mA to 10.50volts).......................................................................................................26.6A.H. 5 hour rate F.V.(1.75V/cell) (4760mA to 10.50volts) ......................................................................................................23.8A.H. 1 hour rate F.V.(1.55V/cell) (16800mA to 9.30volts)........................................................................................................16.8A.H. Approximate Weight........................................................................................................................................................9600g(21.17lbs) Terminal Standard.....................................................................................................................................................................................Type B1 Optional..................................................................................................................................................................................Type T2,I1 Internal Resistance (Fully Charged Battery)..............................................................................................................................<10m Maximum Discharge Current For 5 sec.(A)................................................................................................................................. 420A Maximum Charge Current(A)...........................................................................................................................................................8.4A Ambient Temperature Charge...............................................................................................................................................................0oC(32oF)~40oC(104oF) Discharge........................................................................................................................................................-20oC(-4oF)~50oC(122oF) Storage............................................................................................................................................................-20oC(-4oF)~40oC(104oF) Vibration test: Frequency: 16.7HZ Amplitude: 4mm Vibrate the battery horizontally or vertically for 60 minutes. The battery have no abnormality. Case.......................................................................................................................................................................................................ABS Dimension(mm/inch) Length 1.5mm.......................................................................................................................................................175/6.89 Width 1.5mm.......................................................................................................................................................166/6.54 Container Height 1.5mm.......................................................................................................................................................125/4.92 Total Height 1.5mm.......................................................................................................................................................125/4.92 Application...............................................................Wheelchairs, Lawn Mowers, Electronic Medical Equipment, UPS, Golf-Carts. BATTERY CHARGING CHARACTERISTICS BP28-12 Battery discharge characteristics (25 O C/77 O F) (Typical example of the charge characteristics for the standby use) Terminal Voltage(V) 11.0 4.76A 2.66A 1.4A 7A 10.0 16.8A 9.0 8.0 84A 56A 7.0 0.21 15.0 120 0.18 14.0 100 0.15 13.0 80 60 40 Charge voltage(V) Charge volume(%) 12.0 140 Charge current(CA) 13.0 0.12 0.09 0.06 20 0.03 0 0 Charge voltage C ha rg e 1 Discharge 100 %(0.05CA x 20h) 50 %(0.05CA x 10h) 2 Constant voltage charging Charge voltage:2.275V/cell Charge current:0.1CA O O 3 Temperature:20 C(68 F) 12.0 11.0 10.0 Charge current 28A 0 0 1 2 3 5 10 vo lu m e 20 30 60 2 3 5 10 20 5 10 30 15 20 25 Charge time (hr) Hr Min Discharge time Effect of Temperature on Long Term Float Life 10 8 Charging Procedure For standby power Source For cycle service Charging method Constant voltage & Constant current charging (with current restrication) 2.25~2.30 Charging time O 0.1CA, 20 C (h) Max. charging current (CA) 100% discharge Temp O ( C) 50% discharge 24 0.3 -3 Life expectancy(year) Application Temperature Charging compensation Voltage coefficient of O at 20 C voltage (V/cell) charging (mV/ OC/cell) 6 5 4 20 Charging voltage : 2.275V/cell 3 2 1 0~40 O (32~104 F) 2.40~2.50 -4 0.3 16 10 0.5 O 20 68 O *Temperature compensation of charging voltage is not needed, when using the batteries within 5 C to 35 C range. 30 86 50 oC 122 oF 40 104 Battery temperature TERMINAL TYPE OUTER DIMENSIONS Terminal T2 5.5( 0.22) 2(0.08) Discharge time Final Voltage 10Min 15Min 3.4(0.13) 7.85(0.31) [M5 BOLT & NUT] 175 1.5(6.89 0.06) 2.0(0.08) Terminal I1 125 1.5(4.92 0.06) 5Min 30Min 1Hr 3Hr 5Hr 10Hr 20Hr Battery output power(W) 0.8(0.03) 11(0.43) 5(0.20) 12(0.47) 6.35(0.25) Terminal B1 166 1.5(6.54 0.06) Constant power discharge characteristics at 25 oC/77 oF mm(inch) 10.80V 1012.3 745.3 597.2 355.3 203.79 81.62 56.27 31.45 16.44 10.50V 1171.7 807.4 624.7 368.8 209.90 83.25 57.12 31.92 16.80 10.20V 1245.0 836.4 644.0 377.3 213.67 84.00 57.43 32.08 16.88 9.90V 1300.9 856.5 658.8 382.6 216.24 84.58 57.63 32.18 16.92 9.60V 1344.0 873.6 672.0 386.4 218.40 85.09 57.81 32.18 16.92 M5 TERMINAL POSITION [M5 BOLT & NUT] UL R MH19884 B.B. BATTERY CO., LTD. Web Site: http://www.bb-battery.com USA : B&B BATTERY (USA) INC. 6415 RANDOLPH ST. COMMERCE, CA, 90040 U.S.A. TEL: 1-323-278-1900 . 1-800-278-8599 FAX: 1-323-278-1268 CHINA FACTORY: CHENG DONG TRIAL AREA, HUANG GANG, RAOPING GUANG DONG, CHINA, 515700 TEL: 86-768-7601001-2 FAX: 86-768-7601469 UK: JAPAN: B & B BATTERY (UK) CO., LTD. TEL: 44-161-339-9458 FAX: 44-161-343-7030 B & B BATTERY(JAPAN) CO., LTD. TEL: 81-426-256-537 FAX: 81-426-256-537 HONG KONG: TAIWAN: NATIONAL TRADING LTD. B & B BATTERY CO., LTD. TEL: 852-2301-3800 FAX: 852-2739-1182 TEL: 886-6-5898081~3 FAX: 886-6-5898087 QUALITY ASSURED FIRM NATIONAL ACCREDITATION OF CERTIFICATION BODIES I S O 1 4 0 0 1 UKAS ENVIRONMENTAL MANAGEMENT Reg. No. 059-C