Voltage Drop: The Hidden Problem in Traditional Batteries

This graph shows how voltage declines as a battery discharges under different load conditions (C-rates).

The higher the C-rate (2.0C, 1.0C, etc.), the steeper the voltage drop, meaning high-power applications experience performance loss much earlier in the battery cycle.
The purple zone represents usable power, where devices operate at full performance.
The red zone shows where voltage sag makes power delivery insufficient for full operation, rendering that portion of charge effectively unusable.
Forklifts, robotics, and other high-load systems require stable voltage to function properly, but traditional battery systems force early shutdowns or slowdowns as voltage declines.

This means companies are forced to swap batteries early, oversize packs, or deal with declining performance, all of which add cost, weight, and inefficiency.

The Solution: Stable Power Delivery

Proper Voltage's programmable power output, enabled by its Voltage Adapter (VA) within bOS, ensures a battery maintains its optimal voltage and full power output until completely depleted. Proper Voltage’s technology prevents the so-called voltage drop or sag, ensuring stable power output until the battery is fully discharged. This eliminates voltage sag, allowing consistent performance across 100% of the battery's usable capacity.

Key Benefits

Maximized Usable Battery Life – The final 25% of charge is just as effective as the first, eliminating early battery swaps.
Optimized Performance at Every Charge Level – Devices operate at peak efficiency, from 100% to 0% charge.
Right-Sized Battery Packs – No need to oversize batteries to compensate for voltage drop.
Programmable Power Delivery – Customizable voltage profiles allow tailored performance for each application.
Extended Equipment Lifespan – Full, consistent power reduces wear and tear on motors and electronics.

Industry Applications

Robotics & AI-Driven Automation
- The problem: Voltage sag reduces motor efficiency and response times, leading to inconsistent performance after going below 50% battery life.
- The solution: Humanoid robots and automation systems maintain precise, uninterrupted power delivery from full charge to 0%, improving stability and accuracy.
Industrial Equipment & Forklifts
- The problem: Forklifts and warehouse automation slow down as charge depletes, making the final 25% of battery life functionally useless for full-load operations.
- The solution: Proper Voltage's constant power output enables forklifts to lift, transport, and accelerate at full capacity until the battery is actually empty, eliminating premature battery swaps and downtime.
Electric Vehicles, E-Bikes & Micro-Mobility
- The problem: Traditional EV batteries experience power loss at lower charge levels, affecting acceleration and range.
- The solution: Proper Voltage ensures torque and speed remain constant, enabling full performance throughout the entire battery cycle.
Power Tools & Construction Equipment
- The problem: Cordless tools lose effectiveness as battery voltage drops, leading to inconsistent cutting, drilling, or fastening power.
- The solution: A saw won't slow mid-cut, and a drill maintains full torque until the battery is fully discharged.
Medical & Emergency Systems
- The problem: Fluctuating battery voltage can introduce risks in life-critical devices like ventilators or portable surgical tools.
- The solution: Proper Voltage provides steady, reliable power output, reducing variability in medical applications.

Beyond Stable Power: The Programmable Future

What makes Proper Voltage's solution truly groundbreaking is not just stable power delivery, but programmability.

Adaptive Power Profiles - Adjust power output based on system needs in real-time.
Smart Load Balancing - Extend battery life and optimize energy usage dynamically.
Future-Proof Design - Works across all chemistries (LTO, NMC, LFP, Sodium-Ion, etc.) and adapts to new ones.

By enabling software-defined power management, products can now be designed around operational needs, rather than constrained by battery limitations.

Conclusion: Enabling a New Era of Energy Freedom

Proper Voltage's stable power delivery and programmable voltage control redefine what's possible in battery technology.

No more wasted battery life due to voltage sag.
No more oversizing packs to compensate for declining performance.
No more swapping batteries early due to power loss.

For forklifts, robotics, EVs, and mission-critical systems, the ability to use 100% of a battery's charge at full performance is a game-changer.

With Proper Voltage, batteries finally work for the full duration of their charge, unlocking the true potential of electrified industries.

Meet the team.