I will design custom battery packs for ev solar and ess


About this gig
Need a battery pack that is properly sized for your application, not just a collection of cells?
I design custom lithium-ion and LiFePO4 battery packs for EVs, e-bikes, solar systems, energy storage, robotics, portable electronics, and other battery-powered products.
Depending on your project, I can support:
- Cell chemistry and cell selection
- Series and parallel configuration
- Voltage, capacity, energy and runtime calculations
- Pack sizing and architecture
- BMS selection and integration guidance
- Charging and discharging requirements
- Current and C-rate calculations
- Thermal and safety considerations
- Mechanical layout and enclosure planning
- Component selection and BOM
- Technical documentation and design review
Every project is developed around your required voltage, capacity, load, operating conditions, available space, and performance targets.
You receive a clear, application-focused battery design with the calculations and documentation needed to move your concept toward prototyping or further engineering development.
Please message me before ordering for EV, high-current, high-voltage, or custom projects so I can confirm the correct scope.
Delivery style preference
Please inform the freelancer of any preferences or concerns regarding the use of AI tools in the completion and/or delivery of your order.
Get to know The BookLab
Expert at what he does!
- FromUnited States
- Member sinceAug 2026
- Avg. response time4 hours
Languages
English, French, Spanish, German
FAQ
What information do you need to design my battery pack?
Please provide the application, required voltage, desired capacity or runtime, continuous and peak power/current, preferred battery chemistry if known, available dimensions, weight restrictions, charging method, and any existing drawings or specifications.
What battery chemistries can the design cover?
The service can cover lithium-ion and LiFePO4 battery systems, depending on your application, voltage, capacity, safety, weight, cycle-life, and performance requirements.
Can you design batteries for electric vehicles?
Yes. Battery sizing and architecture can be developed for EVs, e-bikes, scooters, robotics and other electric mobility applications. High-voltage or high-current projects should be discussed before ordering.

