Magnum Battery | Battery Rebuild
🔋 Magnum E-Bike Battery Rebuild Service
Restore your Magnum battery to peak performance—or upgrade it for more range, stronger output, and longer-lasting rides.
At EMP, we specialize in rebuilding Magnum e-bike batteries using premium lithium-ion cells and precision assembly. Whether your battery is no longer holding a charge or you’re looking to extend your ride time, we’ve got a dependable solution.
⚙️ What We Do
We rebuild your existing Magnum battery, replacing all internal cells while maintaining the original case, fitment, and compatibility with your bike.
- Complete internal cell replacement
- Optional capacity upgrades
- Retains original mounting system and connectors
- Fully tested before return shipment
🔧 Magnum Models We Service
We support a wide range of Magnum e-bike models. Below are some of the most common:
🟢 Magnum Metro Battery Rebuild
A commuter-focused model built for comfort and reliability.
- Fully serviceable battery platform
- Upgrade options available for increased range
- Maintains original fitment and performance
Perfect for riders who want: dependable daily commuting with extended battery life
🟢 Magnum Ui5 / Ui6 Battery Rebuild
One of Magnum’s most popular lines, known for efficiency and versatility.
- Reliable rebuild with upgrade options
- Improved range and consistent output
- Maintains factory compatibility
Perfect for riders who want: a balance of comfort, power, and range
🟢 Magnum Peak Battery Rebuild
Fat-tire model designed for all-terrain performance.
- Upgrade options for increased capacity and output
- Stronger performance under load
- Ideal for off-road and mixed terrain use
Perfect for riders who need: reliable power across varied riding conditions
🟢 Magnum Pathfinder / Ranger Battery Rebuild
Step-through and comfort-oriented models.
- Smooth, reliable rebuild with optional upgrades
- Maintains original fit and design
- Increased range for longer, relaxed rides
Perfect for riders who want: comfort-focused riding with improved battery life
🟢 Other Magnum Models
We can also service additional Magnum models not listed above.
If you're unsure, simply send us photos of your battery and we’ll confirm compatibility.
🔋 Upgrade Options
Don’t just restore—upgrade.
Magnum batteries are excellent candidates for upgrades using premium cells such as Samsung, LG, or Molicel.
Upgrade benefits:
- Increased range per charge
- Improved power delivery and consistency
- Reduced voltage sag under load
- Extended lifespan (typically 3–5 years with proper care)
🧪 Diagnostics & Testing
Every battery goes through a comprehensive in-house process:
- Initial inspection and diagnostics
- Precision rebuild with matched cells
- BMS functionality evaluation
- Full charge/discharge testing before shipment
⚠️ Important Notes on Magnum Batteries
Magnum batteries are generally serviceable, but like many modern systems, they may include smart BMS electronics.
- If the issue is related to the BMS or communication system, repair options may be limited
- In such cases, we’ll provide clear diagnostics and honest next-step recommendations
📦 How the Process Works
1. Fill Out Intake Form
Complete the Battery Service Intake Form
2. Ship Your Battery
Send your battery (charger recommended but optional)
3. Evaluation & Invoice
We inspect and confirm final pricing if not prepaid
4. Rebuild & Test
Your battery is rebuilt, balanced, and tested
5. Return Shipment
We ship your battery back with tracking information
⏱ Turnaround Time
- Current estimate: 6–8 weeks
- Expedited service available upon request
💰 Pricing
- Typical rebuild cost: $499 – $650
- Final cost depends on battery size, condition, and upgrade level
- Return hazmat shipping: typically $50–$60
✅ Why Choose EMP?
- U.S.-based battery specialists
- Premium lithium-ion cells only
- Honest diagnostics and transparent communication
- Proven experience across a wide range of e-bike systems
🚫 Please Note
- This is a battery rebuild service, not a new battery purchase
- You must send in your original Magnum battery
- We do not typically stock ready-to-ship Magnum batteries
Original: $599.00
-65%$599.00
$209.65Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
🔋 Magnum E-Bike Battery Rebuild Service
Restore your Magnum battery to peak performance—or upgrade it for more range, stronger output, and longer-lasting rides.
At EMP, we specialize in rebuilding Magnum e-bike batteries using premium lithium-ion cells and precision assembly. Whether your battery is no longer holding a charge or you’re looking to extend your ride time, we’ve got a dependable solution.
⚙️ What We Do
We rebuild your existing Magnum battery, replacing all internal cells while maintaining the original case, fitment, and compatibility with your bike.
- Complete internal cell replacement
- Optional capacity upgrades
- Retains original mounting system and connectors
- Fully tested before return shipment
🔧 Magnum Models We Service
We support a wide range of Magnum e-bike models. Below are some of the most common:
🟢 Magnum Metro Battery Rebuild
A commuter-focused model built for comfort and reliability.
- Fully serviceable battery platform
- Upgrade options available for increased range
- Maintains original fitment and performance
Perfect for riders who want: dependable daily commuting with extended battery life
🟢 Magnum Ui5 / Ui6 Battery Rebuild
One of Magnum’s most popular lines, known for efficiency and versatility.
- Reliable rebuild with upgrade options
- Improved range and consistent output
- Maintains factory compatibility
Perfect for riders who want: a balance of comfort, power, and range
🟢 Magnum Peak Battery Rebuild
Fat-tire model designed for all-terrain performance.
- Upgrade options for increased capacity and output
- Stronger performance under load
- Ideal for off-road and mixed terrain use
Perfect for riders who need: reliable power across varied riding conditions
🟢 Magnum Pathfinder / Ranger Battery Rebuild
Step-through and comfort-oriented models.
- Smooth, reliable rebuild with optional upgrades
- Maintains original fit and design
- Increased range for longer, relaxed rides
Perfect for riders who want: comfort-focused riding with improved battery life
🟢 Other Magnum Models
We can also service additional Magnum models not listed above.
If you're unsure, simply send us photos of your battery and we’ll confirm compatibility.
🔋 Upgrade Options
Don’t just restore—upgrade.
Magnum batteries are excellent candidates for upgrades using premium cells such as Samsung, LG, or Molicel.
Upgrade benefits:
- Increased range per charge
- Improved power delivery and consistency
- Reduced voltage sag under load
- Extended lifespan (typically 3–5 years with proper care)
🧪 Diagnostics & Testing
Every battery goes through a comprehensive in-house process:
- Initial inspection and diagnostics
- Precision rebuild with matched cells
- BMS functionality evaluation
- Full charge/discharge testing before shipment
⚠️ Important Notes on Magnum Batteries
Magnum batteries are generally serviceable, but like many modern systems, they may include smart BMS electronics.
- If the issue is related to the BMS or communication system, repair options may be limited
- In such cases, we’ll provide clear diagnostics and honest next-step recommendations
📦 How the Process Works
1. Fill Out Intake Form
Complete the Battery Service Intake Form
2. Ship Your Battery
Send your battery (charger recommended but optional)
3. Evaluation & Invoice
We inspect and confirm final pricing if not prepaid
4. Rebuild & Test
Your battery is rebuilt, balanced, and tested
5. Return Shipment
We ship your battery back with tracking information
⏱ Turnaround Time
- Current estimate: 6–8 weeks
- Expedited service available upon request
💰 Pricing
- Typical rebuild cost: $499 – $650
- Final cost depends on battery size, condition, and upgrade level
- Return hazmat shipping: typically $50–$60
✅ Why Choose EMP?
- U.S.-based battery specialists
- Premium lithium-ion cells only
- Honest diagnostics and transparent communication
- Proven experience across a wide range of e-bike systems
🚫 Please Note
- This is a battery rebuild service, not a new battery purchase
- You must send in your original Magnum battery
- We do not typically stock ready-to-ship Magnum batteries
