Forklift Battery

What Is the Electric Forklift Battery 18-85-27, 36 Volt, 1105 Ah?

When selecting power solutions for industrial equipment, understanding battery specifications becomes critical for operational efficiency and cost management. The 36V 1105 Ah lead-acid battery stands out in forklift applications, offering unique advantages over both traditional lead-acid models and modern lithium-ion alternatives. Let’s explore its technical merits, compare it to competing technologies, and address key considerations for businesses.

48V 400Ah Lithium Forklift Battery

Technical Specifications and Performance Advantages

Voltage Capacity Dimensions (LxWxH)
36V 1105 Ah 45.5″ x 31.5″ x 34.75″

This battery’s 1105 Ah capacity delivers 20-25% longer runtime compared to standard 36V models (typically 875-1000 Ah). In practical terms, this translates to 12-14 hours of continuous operation in Class II forklifts under ISO 2383 standards. For warehouses running three daily shifts, this reduces charging intervals from three to two sessions, potentially adding 300+ productive hours annually. Its thick-plate construction maintains 85% capacity through 1,200 cycles—nearly double the 700-cycle lifespan of thinner-plate industrial batteries.

Operational Efficiency Across Environments

Temperature Range Capacity Retention Maintenance Needs
32°F 60-70% Weekly checks
80°F 100% Bi-weekly checks

The battery’s thermal stability makes it particularly suitable for extreme environments. In steel mills and foundries where ambient temperatures exceed 100°F, lead-acid chemistry outperforms lithium-ion alternatives that suffer accelerated degradation. Cold storage facilities at 32°F still achieve 60-70% capacity retention—critical for operations where lithium-ion batteries might fail entirely below freezing.

Cost Analysis: Lead-Acid vs. Lithium-Ion

“Redway’s testing shows properly maintained lead-acid batteries last 5-7 years, but 60% fail prematurely due to improper watering. Automated watering systems can boost lifespan by 30%.”

Redway Power Solutions Lead Engineer

  1. Initial Investment: $3,800-$5,200 vs. lithium-ion’s $12,000+ entry point
  2. Infrastructure: Compatible with existing chargers vs. $2,000-$5,000 retrofitting costs
  3. Recycling: 98% recyclability rate vs. lithium-ion’s complex recycling process
  4. Energy Density: 40 kWh storage vs. lithium-ion’s 35 kWh in similar dimensions

While lithium-ion offers 30-minute fast charging, Department of Energy studies show lead-acid’s total cost per kWh over 10 years remains 25% lower. This gap widens in operations using battery-as-a-service (BaaS) models where predictable performance enables precise rotation planning.

Maintenance Best Practices

Watering Schedule:
Check weekly, maintaining deionized water 1/4″ above plates
Charging Protocol:
Use approved opportunity chargers (max 2C rate) for 8-10 hour cycles
Voltage Monitoring:
Prevent sulfation through monthly equalization charges

Implementing these practices helps avoid the 60% premature failure rate observed in poorly maintained systems. Automated watering systems ($800-$1,200 initial investment) typically pay for themselves within 18 months through reduced downtime and extended battery life.

Strategic Implementation Scenarios

This battery excels in:

  • Multi-shift operations needing reduced charging interruptions
  • High-temperature industrial environments (>100°F ambient)
  • Fleets with mixed equipment ages avoiding retrofit costs
  • Operations prioritizing predictable replacement cycles

For companies considering lithium-ion, conduct a TCO analysis factoring in your specific charging infrastructure, shift patterns, and environmental conditions. While lithium-ion suits operations needing rapid charging, lead-acid remains the cost-effective choice for most traditional material handling applications.

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