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FIAMM LM OPzS Battery Series

FIAMM LM OPzS SeriesThe FIAMM LM OPzS Battery Series is a flooded, vented battery designed to meet DIN 40736 specifications. This highly robust product family offers a range developed for applications where discharge cycles require the highest levels of reliability. The LM OPzS series exceeds the specification standards of the DIN Standard due to the low antimony alloy plate which provides very low water consumption over the life of the product. Under normal float operating conditions, batteries require topping-up only once every three years. Furthermore, the design has been optimized to lower self-discharge during storage. All of these outstanding features add up to a longer life product with lower maintenance costs. Like all FIAMM lead-acid batteries the LM range is eco-friendly and fully recyclable.

FIAMM LM OPzS Battery Series Features

  • The positive tubular grid is composed of a special alloy (Pb-Sb) which is die-cast to guarantee high corrosion resistance and low water consumption (1 topping up in 3 years in float conditions)
  • Electrolyte: sulphuric acid electrolyte with specific gravity of 1.24kg/l at 68°F
  • Separators have high porosity and provide very low internal resistance
  • Robust design thanks to high mechanical polymers properties; box made of SAN and with an ABS lid
  • The vent plug is made of porous flameproof material for a superior safety
  • A long shelf life of up to six months is possible without recharge (<2% discharge per month)
  • The metallic threaded insert on terminals ensures the highest conductivity and provides maximum torque retention and easy installation
  • Flexible connections ensure a safe link between terminals
  • The connecting bolt is fully insulated but with probe hole on the top to grant electrical measurements

LM OPzS Series Specifications

Float Voltage: 2.23 V/cell at 68°F
Boost Voltage: 2.40 V/cell
Float Voltage Compensation with Temperature: -1.39mV/cell/°C
Self-Discharge at 68°F: <2%/month

Battery Type Reference OPzS
DIN 40736
Nom. Capacity (Ah)
8H to 1.75VPC at 77°F
Dimensions (in.)
L x W x H
Weight lbs.
(with electrolyte)
LM 100 2 OPzS 100 108 4.06 x 8.11 x 16.54 30.6
LM 150 3 OPsZ 150 162 4.06 x 8.11 x 16.54 35.5
LM 200 4 OPsZ 200 216 4.06 x 8.11 x 16.54 38.4
LM 250 5 OPsZ 250 270 4.88 x 8.11 x 16.54 47.2
LM 300 6 OPsZ 300 324 5.71 x 8.11 x 16.54 54.7
LM 350 5 OPsZ 350 390 4.88 x 8.11 x 21.10 62.6
LM 420 6 OPsZ 420 468 5.71 x 8.11 x 21.10 72.1
LM 490 7 OPsZ 490 546 6.54 x 8.11 x 21.10 82.9
LM 600 6 OPsZ 600 630 5.71 x 8.11 x 27.99 102.5
LM 700 7 OPsZ 700 735 8.27 x 7.52 x 27.99 129.6
LM 800 8 OPsZ 800 840 8.27 x 7.52 x 27.99 137.1
LM 900 9 OPsZ 900 945 8.27 x 9.17 x 27.99 157.6
LM 1000 10 OPsZ 1000 1050 8.27 x 9.17 x 27.99 165.1
LM 1200 12 OPsZ 1200 1260 8.27 x 10.83 x 27.99 196.7
LM 1500 12 OPsZ 1500 1570 8.27 x 10.83 x 33.9 251.3
LM 1750 14 OPsZ 1750 1840 8.35 x 15.71 x 32.95 324.1
LM 1875 15 OPsZ 1875 1970 8.35 x 15.71 x 32.95 330.7
LM 2000 16 OPsZ 2000 2100 8.35 x 15.71 x 32.95 341.7
LM 2250 18 OPsZ 2250 2360 8.35 x 19.17 x 32.95 399.0
LM 2500 20 OPsZ 2500 2620 8.35 x 19.17 x 32.95 418.9
LM 3000 24 OPsZ 3000 3150 8.35 x 22.68 x 32.95 489.4
LM 3500 28 OPsZ 3500 3500 8.35 x 22.68 x 32.95 546.7

For more in-depth specifications, see the data sheet.

Standards and Certifications

  • DIN 40736 – specification OPzS cell
  • DIN 43539T5 – deep discharge
  • DIN 40740 – electrolyte level indicator
  • IEC 60896 Part 11 – vented types requirements & tests
  • ISO 9001 Quality Management System
  • ISO 14001 Environmental Management System
  • OHSAS 18001 Workplace Safety & Health
For more information about FIAMM Batteries,
call 800-876-9373 or email sales@power-solutions.com.