M2S Battery | Battery Rebuild
🔋 M2S (Mountain to Sea) E-Bike Battery Rebuild Service
Restore your M2S battery to peak performance—or upgrade it for more range, stronger output, and longer-lasting rides.
At EMP, we specialize in rebuilding M2S e-bike batteries using premium lithium-ion cells and precision assembly. Whether your battery has lost capacity or you’re looking to push your range further on rugged terrain, we’ve got a dependable solution.
⚙️ What We Do
We rebuild your existing M2S battery, replacing all internal cells while maintaining the original case, fitment, and compatibility with your bike.
- Complete internal cell replacement
- Optional capacity and performance upgrades
- Retains original mounting system and connectors
- Fully tested before return shipment
🔧 M2S Models We Service
We support a wide range of M2S (Mountain to Sea) models. Below are some of the most common:
🟢 M2S All Terrain Series Battery Rebuild
A flagship lineup designed for off-road performance and versatility.
- Fully serviceable battery platform
- Upgrade options available for increased range
- Strong performance for rugged terrain
Perfect for riders who want: dependable off-road capability with extended ride time
🟢 M2S R750 / R750HT Battery Rebuild
Popular hardtail models built for power and durability.
- Reliable rebuild with upgrade options
- Improved power delivery and consistency
- Maintains factory compatibility
Perfect for riders who want: a balance of performance and efficiency
🟢 M2S Ultra / High-Power Models
Designed for high-output motors and demanding riding conditions.
- Upgrade options for increased capacity and output
- Built for higher current demand applications
- Ideal for aggressive riding and steep terrain
Perfect for riders who need: strong power delivery and long-range capability
🟢 M2S Commuter / Urban Models
Versatile builds for everyday riding and city use.
- Efficient rebuild with optional upgrades
- Improved range and ride consistency
- Maintains lightweight and practical design
Perfect for riders who want: reliable daily transportation with better battery life
🟢 Other M2S Models
We can also service additional M2S 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.
M2S batteries are excellent candidates for upgrades using premium cells such as Samsung, LG, or Molicel.
Upgrade benefits:
- Increased range per charge
- Improved power delivery under load
- Reduced voltage sag during climbs and acceleration
- 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 M2S Batteries
M2S 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 vary
- In such cases, we’ll provide clear diagnostics and honest 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: $500 – $650
- Performance upgrades or higher-capacity builds may increase cost
- Return hazmat shipping: typically $50–$60
✅ Why Choose EMP?
- U.S.-based battery specialists
- Premium, high-performance lithium-ion cells only
- Honest diagnostics and transparent communication
- Proven experience with both commuter and high-power e-bike systems
🚫 Please Note
- This is a battery rebuild service, not a new battery purchase
- You must send in your original M2S battery
Original: $500.00
-65%$500.00
$175.00Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
🔋 M2S (Mountain to Sea) E-Bike Battery Rebuild Service
Restore your M2S battery to peak performance—or upgrade it for more range, stronger output, and longer-lasting rides.
At EMP, we specialize in rebuilding M2S e-bike batteries using premium lithium-ion cells and precision assembly. Whether your battery has lost capacity or you’re looking to push your range further on rugged terrain, we’ve got a dependable solution.
⚙️ What We Do
We rebuild your existing M2S battery, replacing all internal cells while maintaining the original case, fitment, and compatibility with your bike.
- Complete internal cell replacement
- Optional capacity and performance upgrades
- Retains original mounting system and connectors
- Fully tested before return shipment
🔧 M2S Models We Service
We support a wide range of M2S (Mountain to Sea) models. Below are some of the most common:
🟢 M2S All Terrain Series Battery Rebuild
A flagship lineup designed for off-road performance and versatility.
- Fully serviceable battery platform
- Upgrade options available for increased range
- Strong performance for rugged terrain
Perfect for riders who want: dependable off-road capability with extended ride time
🟢 M2S R750 / R750HT Battery Rebuild
Popular hardtail models built for power and durability.
- Reliable rebuild with upgrade options
- Improved power delivery and consistency
- Maintains factory compatibility
Perfect for riders who want: a balance of performance and efficiency
🟢 M2S Ultra / High-Power Models
Designed for high-output motors and demanding riding conditions.
- Upgrade options for increased capacity and output
- Built for higher current demand applications
- Ideal for aggressive riding and steep terrain
Perfect for riders who need: strong power delivery and long-range capability
🟢 M2S Commuter / Urban Models
Versatile builds for everyday riding and city use.
- Efficient rebuild with optional upgrades
- Improved range and ride consistency
- Maintains lightweight and practical design
Perfect for riders who want: reliable daily transportation with better battery life
🟢 Other M2S Models
We can also service additional M2S 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.
M2S batteries are excellent candidates for upgrades using premium cells such as Samsung, LG, or Molicel.
Upgrade benefits:
- Increased range per charge
- Improved power delivery under load
- Reduced voltage sag during climbs and acceleration
- 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 M2S Batteries
M2S 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 vary
- In such cases, we’ll provide clear diagnostics and honest 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: $500 – $650
- Performance upgrades or higher-capacity builds may increase cost
- Return hazmat shipping: typically $50–$60
✅ Why Choose EMP?
- U.S.-based battery specialists
- Premium, high-performance lithium-ion cells only
- Honest diagnostics and transparent communication
- Proven experience with both commuter and high-power e-bike systems
🚫 Please Note
- This is a battery rebuild service, not a new battery purchase
- You must send in your original M2S battery
