Pesu Electric Bike Battery Rebuild Service | Monster & Volador Battery Repair
Restore Your Original Pesu Battery
Has your Pesu e-bike lost riding range, stopped charging, or no longer powers your bike? EMP specializes in rebuilding original Pesu lithium-ion battery packs using premium Grade-A lithium-ion cells while retaining your factory battery housing, mounting system, and connectors.
Instead of searching for an expensive replacement battery, let our technicians restore your original battery and, when possible, upgrade it with modern higher-capacity cells for increased range.
Compatible Models
We can evaluate and rebuild many Pesu battery packs including:
• Pesu Monster
• Pesu Volador
• Pesu 36V Downtube Batteries
• Integrated Pesu Battery Packs
• Other Pesu Lithium Battery Models
Not sure which battery you have? Simply send us photos before ordering.
What's Included
• Complete battery diagnostic
• Professional battery disassembly
• Replacement of all lithium-ion cells
• Premium Samsung, LG, or Panasonic cells
• Cell balancing and matching
• BMS inspection
• Internal wiring inspection
• Capacity testing
• Load testing
• Final safety inspection
• 1-Year Warranty
Upgrade Options Available
Many Pesu battery packs can be rebuilt back to factory specifications or upgraded using today's higher energy density lithium-ion cells.
Depending on your battery configuration, we may be able to increase the overall amp-hour capacity for additional riding range.
Every battery is evaluated individually before rebuilding.
Common Battery Problems
If your battery is experiencing any of the following, rebuilding may be the best solution.
• Reduced riding range
• Battery will not charge
• Battery shuts off while riding
• Charger turns green immediately
• Battery charges unusually fast
• Battery has been sitting unused for years
• Battery no longer powers the bike
Why Choose EMP?
Thousands of lithium battery repairs completed
Premium Grade-A lithium-ion cells
Professional battery testing
Capacity upgrade options
1-Year Warranty
Nationwide Mail-In Service
Experienced battery technicians
Located in Las Vegas, Nevada
Turnaround Time
Current estimated turnaround is approximately 3–4 weeks after we receive your battery.
Shipping Instructions
After placing your order, securely package and ship us:
• Battery
• Charger
Do not ship the bicycle unless requested by our technicians.
Have Questions?
Contact our battery experts before ordering if you would like us to verify compatibility or discuss available upgrade options.
🔧 Battery Rebuild Service
We rebuild your existing battery using fresh, high-quality cells to restore or increase capacity and performance.
- Full disassembly, rebuild, and testing
- Upgraded capacity options available
- Uses brand new name-brand cells
- Turnaround time: Approximately 14 business days
- Timeline includes the time it takes for us to receive your battery and complete the rebuild
⚡ Custom Battery Builds
Fully custom battery solutions designed to meet your exact specifications. This is ideal for unique applications or when a standard battery will not fit your needs.
- Custom shapes and sizes
- Custom BMS (Battery Management System) configurations
- Choice of cells and performance levels
- Option for enclosed case or raw (naked) pack
- Built specifically for your application
- Turnaround time: Approximately 21 business days
🔋 Battery Packs (Encased)
Battery packs built using one of our in-stock cases. These are a great option if you want a reliable, ready-to-fit solution.
- Uses pre-designed cases from our inventory
- Proven, reliable configurations
- Faster than fully custom builds
- Turnaround time: Approximately 14 business days
🔬 Battery Cells (Individual Cells)
We supply high-quality lithium-ion cells for repairs, upgrades, and custom builds.
- In-stock cells: Ship within 3–6 business days
- Out-of-stock (air shipping): Approximately 10 business days
- Out-of-stock (sea shipping): Approximately 40 days
📦 Shipping & Intake Process
- Place your order or request a quote
- Fill out our Battery Intake Form
- Send in your battery (include charger and key if required)
- We inspect and test your battery
- We contact you with results and recommended options
Important Information
Turnaround times begin once your battery is received and checked into our system.
During high demand periods or for complex builds, timelines may be slightly extended.
Shipping Method
- All batteries are shipped via ground service only (FedEx or UPS) in compliance with DOT and IATA regulations for lithium batteries.
- Expedited air shipping is not available for lithium battery products.
Delivery Time
- Ground shipping typically takes 3–7 business days within the U.S.
- Tracking information will be provided as soon as your order ships.
Local Pickup
- Pickup is available at our Las Vegas facility:
4856 Judson Ave Suite 155 Las Vegas, NV 89115
Monday– Thursday, 9:00 AM – 4:00 PM ( Friday by appointment).
Returns
- Returns are accepted within 14 days of delivery on unused, unopened batteries.
- For rebuilds and custom packs, all sales are final unless defective.
Important Notes
- Shipping is limited to the continental United States.
- Customers are responsible for providing a valid shipping address — carriers cannot deliver to P.O. Boxes.
- Signature may be required at delivery for higher-value battery orders.
