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Fujian Minhua Power Source Co., LTD.: VRLA Battery

This document provides specifications for the MM 75-12 12V75AH VRLA battery. It is a medium-sized, maintenance-free lead-acid battery suitable for telecommunications, UPS, security systems and other applications. The battery has a designed floating life of up to 8 years and can provide up to 260 cycles at 100% depth of discharge or 500 cycles at 50% depth of discharge. Dimensions, weight, discharge characteristics, and electrical specifications are provided.

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216 views2 pages

Fujian Minhua Power Source Co., LTD.: VRLA Battery

This document provides specifications for the MM 75-12 12V75AH VRLA battery. It is a medium-sized, maintenance-free lead-acid battery suitable for telecommunications, UPS, security systems and other applications. The battery has a designed floating life of up to 8 years and can provide up to 260 cycles at 100% depth of discharge or 500 cycles at 50% depth of discharge. Dimensions, weight, discharge characteristics, and electrical specifications are provided.

Uploaded by

Happy Tourisianto
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© © All Rights Reserved
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VRLA Battery MM 75-12 12V75AH

Medium-size Battery
MHB MM Series—Medium-size Battery
l High performance, completely maintenance-free, low self-discharge
l 100% precise quality testing, stable quality and high reliable performance
l Unique grid alloy formula and updated manufacturing technique
l Floating & standby use:up to 8 years
l Cycle use 1: Up to 260 cycles at 100% DOD
l Cycle use 2: Up to 500 cycles at 50% DOD

Application:
l Telecommunications l Alarm and security system
l Uninterruptable Power Supply (UPS) l Communication power supply
l Electric Power System (EPS) l DC power supply
l Emergency backup power supply l Auto control system

Construction:
l Component ......Raw material l Sealant ........Epoxy
l Positive ........Lead dioxide l Safety valve .... Rubber
l Negative ........Lead l Terminal ........Copper/Pb
l Container ........ABS l Separator ........Fiber glass
l Cover ........ABS l Electrolyte ....... Sulfuric acid

B4 Terminal

Speification:
Battery Model MM 75-12 12V75AH
Designed Floating Life Up to 8 Years
20HR(3.98A,10.8V) 10HR(7.50A,10.8V) 5HR(14.59A,10.5V) 1HR(48.86A,10.5V)
Capacity (25℃)
79.60AH 75.00AH 72.95AH 48.86AH
Length Width Height Total Height
Dimensions
260mm (10.24inch) 167mm (6.57inch) 211mm (8.31inch) 216mm (8.50inch)
Approx. Weight 22.30Kg (49.17 lbs)
Internal Resistance Full charged at 25℃:≤8.0mΩ
Self Discharge 2% of capacity declined per month at (25℃)
Capacity Affected 40℃ 25℃ 0℃ -15℃
by Temp.(20HR) 102% 100% 85% 65%
Cycle use Float use
Charge Voltage(25℃)
14.4-14.6V(-30mV/℃), max. Current:22.50A 13.6-13.8V (-20mV/℃)

FUJIAN MINHUA POWER SOURCE CO., LTD.


www.mhb-battery.com sales@mhb-battery.com info@mhb-battery.com V-0 2011-11-20
VRLA Battery MM 75-12 12V75AH

Terminal Voltage (V) and Discharge Time Capacity Retention Characteristic

Battery Vlotage and Charge Time for Standby Use Battery Vlotage and Charge Time for Cycle Use

Tickle(or Float) Service Life Cycle Service Life

Battery Vlotage and Charge Time for Cycle Use

Constant Current Discharge(CC,Unit:A) at 25℃(77℉)


F.V/Time 5Min 10Min 15Min 30Min 1Hr 2Hr 3Hr 4Hr 5Hr 6Hr 10Hr 20Hr
1.85V/Cell 266.61 157.38 123.70 80.63 47.06 27.20 20.89 17.15 14.06 11.46 7.37 3.91
1.80V/Cell 271.70 160.39 126.06 82.17 47.96 27.72 21.29 17.48 14.33 11.68 7.50 3.98
1.75V/Cell 276.80 163.40 128.42 83.71 48.86 28.24 21.69 17.81 14.59 11.90 7.65 4.05
1.70V/Cell 301.71 173.20 136.13 87.05 49.72 28.74 22.07 18.12 14.85 12.11 7.78 4.13
1.67V/Cell 332.15 187.91 147.69 91.92 50.25 29.05 22.31 18.32 15.01 12.24 7.87 4.17
Constant Power Discharge (CP,Unit:W) at 25℃(77℉)
F.V/Time 5Min 10Min 15Min 30Min 1Hr 2Hr 3Hr 4Hr 5Hr 6Hr 10Hr 20Hr
1.85V/Cell 519.89 306.90 241.21 157.23 91.76 53.05 40.73 33.45 27.41 22.35 14.37 7.62
1.80V/Cell 529.82 312.76 245.82 160.24 93.52 54.06 41.51 34.09 27.93 22.77 14.63 7.76
1.75V/Cell 539.75 318.62 250.42 163.24 95.27 55.07 42.29 34.73 28.46 23.20 14.92 7.91
1.70V/Cell 588.33 337.74 265.45 169.75 96.95 56.04 43.03 35.34 28.96 23.61 15.18 8.05
1.67V/Cell 647.70 366.42 287.99 179.24 97.99 56.64 43.50 35.72 29.27 23.86 15.34 8.13

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