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