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Battery Solutions

We’re proud to partner with Vanguard Commercial Power, a leading provider of lithium-ion battery systems for commercial equipment. Vanguard’s expertise in electrification enables us to offer cutting-edge battery solutions that deliver superior performance, reliability, and total cost of ownership.

Why Battery Sizing Matters

Selecting the right battery capacity is crucial for EV performance and longevity. Proper battery sizing ensures your equipment delivers optimal runtime while balancing cost, weight, and operational efficiency.

The wrong battery can lead to:

  • Undersizing: Insufficient runtime and reduced equipment productivity
  • Oversizing: Unnecessary cost and added weight that impacts performance
  • Poor ROI: Suboptimal total cost of ownership
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Vanguard lithium battery close-up showing LED charge status indicator

How to Size a Battery for
Your EV Application

Understanding battery sizing is essential for successful electrification. The process combines data-driven analysis with real-world considerations to determine the optimal kilowatt-hour (kWh) capacity for your specific application.

Step 1: Calculate Your Baseline Energy Requirement

Start with the fundamental sizing formula to determine your baseline energy needs:

Energy (kWh) = Average Power (kW) × Runtime (hours)
Example: A machine drawing 2 kW over 4 hours requires 8 kWh baseline capacity

Step 2: Apply Real-World Adjustment Factors

Your baseline calculation is just the starting point. To ensure reliable performance in demanding conditions, you need to account for several critical factors:

Depth of Discharge (DoD)

No battery delivers 100% of its rated capacity. Modern lithium-ion batteries from Vanguard offer over 90% usable capacity (DoD), compared to only 60% for traditional lead-acid batteries. This high DoD allows for smaller, lighter battery selection.

Runtime Buffers

Account for real-world variability by building in a 10-20% safety buffer. This ensures equipment performs reliably even on tougher-than-average days, handling different operator behaviors, terrain challenges, and varying load conditions.

Long-Term Degradation

While commercial-grade batteries are engineered for robust, long-term performance, all batteries experience some capacity loss over thousands of cycles. Factor in a small buffer to maintain performance expectations throughout the battery’s service life.

Step 3: Balance the Critical Trade-offs

Right-sizing your battery involves balancing three competing priorities:

  • Runtime: Sufficient capacity for effective job completion
  • Cost: Avoiding oversized batteries that make products uncompetitive
  • Weight: Minimizing unnecessary weight that impacts handling and performance
The Vanguard Advantage
Vanguard acts as a true integration partner, providing complete systems of batteries, motors, and motor controllers designed to work together seamlessly. Their application experts help analyze your data and select optimal power solutions, reducing complexity and shortening time to market.

Vanguard Battery Systems

Vanguard offers two battery series designed for different commercial applications, each providing the flexibility to fit your specific power needs.
Vanguard FI Series fixed lithium battery pack for commercial equipment

FI Series

Fixed Battery Packs

Commercial lithium-ion battery packs providing unmatched power, reduced maintenance, and lower total cost of ownership. Ideal for applications requiring integrated, permanent battery solutions.

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Vanguard SI Series swappable lithium battery with integrated carry handle

SI Series

Swappable Battery Packs
Scalable, serviceable, and sustainable battery packs that offer flexibility and extended operational time through quick battery swapping. Perfect for high-utilization applications.
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Ready to Electrify Your Equipment?

Partner with us and Vanguard to design the optimal battery solution for your application.

Contact Us