EV Battery Packs
BMW i3 45kWh Battery Module Kit Long Cycle Life
Upgrade your range with our BMW i3 45kWh kits. These modules offer high energy density and long cycle life for reliable, daily EV performance.
- Extended Range: Delivers 45kWh capacity for longer driving distances and peak efficiency.
- Superior Durability: High cycle life cells ensure stable power over years of daily charging.
- Perfect Fit: Seamlessly integrates with original BMW i3 systems for easy installation.
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BMW i3 Battery Module Kit Specifications
Review our detailed 45kWh specs. We list voltage, capacity, and size to ensure these modules fit your BMW i3 upgrade or energy project.
Model Number
Model Number 1
CC
200A
Place of Origin
Hubei, China
Condition
New
Weight
253kg
Voltage
355V
Weight
253kg
Voltage
355V
Weight
253kg
Voltage
355V
Compatible Models for BMW i3 Battery Module Kit
Our kits fit BMW i3 models from 2013 to 2022. They also support DIY solar storage and small EV projects needing compact, high-energy power.
BMW i3 BEV/REX 2014-2017 60AH
- with cooling/without cooling
BMW i3 BEV/REX 2017-2018 90AH
- with cooling/without cooling
BMW i3 BEV/REX 2019-2021 120AH
- with cooling/without cooling
Key Features of the BMW i3 Battery Module Kit
Experience high energy density and compact size. These kits offer robust safety features and long cycle life for consistent BMW i3 power.
High Energy Density
Optimized chemistry provides more power in a smaller footprint. It significantly boosts the total driving range.
210 Wh/kg
Density
45kWh
Total Power
Extended Life Cycles
Advanced cell tech ensures stable performance over years. These modules maintain high capacity even after heavy use.
3000+
Deep Cycles
80%
SOH Retention
Compact Modular Design
The sleek, space-saving build fits original BMW i3 frames. It allows for flexible layouts in custom EV projects.
OEM
Standard Size
Scalable
Setup
Smart Thermal Control
Built-in cooling paths manage heat during fast charging. This protection prevents overheating and extends cell life.
Active
Cooling Path
＜45°C
Peak Temp
Robust Safety Housing
Durable casing protects against impact and vibration. The rugged design ensures safety in various driving conditions.
IP67
Rated Shell
V0
Flame Retardant
Rapid Charging Speed
High-efficiency cells support fast DC charging rates. Get back on the road quickly with minimized downtime for users.
1C
Charge Rate
Fast
DC Support
BMW i3 Battery Module Kit Advantages
Gain an edge with our BMW i3 kits. 8 OEM modules reduced to 4 for simpler install. Fits factory housing and mounts, no mods needed. Mechanically secured for safety.
01Original OEM Standard Quality
Original OEM Standard Quality
These modules meet the strict performance standards of original BMW i3 batteries. They provide a high-grade solution for any EV or storage build.
- Reliable power delivery matches your vehicle's factory specifications.
02Plug-and-Play Installation
Plug-and-Play Installation
Our kit is designed for seamless integration with existing BMW i3 systems. It minimizes setup time and ensures a secure, hassle-free connection.
- Direct replacement design simplifies the upgrade process for users.
03High Specific Energy Density
High Specific Energy Density
Pack more power into a smaller space with our high-density cells. This advantage maximizes your available range without adding excessive weight.
- Lightweight cells improve vehicle efficiency and total driving range.
04Long-Lasting Cycle Durability
Long-Lasting Cycle Durability
Built for longevity, these battery modules withstand thousands of charge cycles. They maintain stable capacity and voltage over years of operation.
- Premium cells ensure consistent performance during long-term use.
05Advanced Multi-Layer Safety
Advanced Multi-Layer Safety
Safety is our priority with built-in protections against overcharging. Each module is encased in a rugged shell to prevent impact or fire risks.
- Robust thermal management keeps temperatures within a safe range.
06Superior Cost-Effectiveness
Superior Cost-Effectiveness
Upgrade your energy system without the high price of a new vehicle. Our kits offer professional performance at a fraction of the market cost.
- Affordably restore your EV range or build custom solar storage.
BMW i3 Battery Module Kit Video
Watch our video to see the BMW i3 module in action. Explore the build quality, easy setup, and high-energy performance of our 45kWh kits.
Installation Instructions for the BMW i3 Battery Module Kit
Follow our step-by-step guide for a safe installation. We provide clear diagrams and technical tips to help you integrate these modules easily.
01
Initial Safety Preparation
Initial Safety Preparation
Before starting, ensure all power sources are disconnected. Safety gear is mandatory to prevent electrical hazards during the module setup.
- Wear insulated gloves and use certified tools to handle the high-voltage battery components.
- Confirm that the vehicle or storage system is completely powered down before opening the case.
02
Remove Existing Modules
Remove Existing Modules
Carefully detach the old battery units from the frame. Label all cables to ensure correct reconnection when installing your new i3 modules.
- Unscrew the mounting bolts slowly to avoid damaging the original BMW i3 internal structure.
- Disconnect the communication wires and power terminals one by one with extreme precision.
03
Position the New Kit
Position the New Kit
Align the 45kWh modules within the battery tray. Proper placement is vital for balance and effective thermal management during operation.
- Slide each module into its designated slot ensuring a firm and level fit against the base.
- Verify that there is adequate clearance between the modules for the integrated cooling system.
04
Busbar Terminal and SME Wiring
Busbar Terminal and SME Wiring
T2 oxygen-free copper material, Flexible design & Perfectly adapts to long-term vibration conditions
- Tighten all terminal nuts to the recommended torque specifications for a stable connection.
- Reattach the SME unit to monitor the real-time health and temperature of every cell.
05
Final System Testing
Final System Testing
Conduct a full diagnostic check before closing the housing. Verify that the system recognizes all modules and reports no electrical errors.
- Use a multimeter to check the total pack voltage and ensure it meets the target parameters.
- Power on the system and monitor the interface for any warning lights or integration issues.
BMW i3 Battery Module Kit Product Certification
Our BMW i3 kits meet global safety standards. We hold CE, UN38.3, and UL certifications to ensure top-tier quality for every battery module.
UN38.3 Certification
UN38.3 is a UN safety standard for lithium batteries, requiring strict tests to ensure safe global transport and reduce risks like overheating, short circuits and leakage during delivery.
MSDS
MSDS is an essential safety document outlining hazards, handling and emergency procedures for battery materials, ensuring safe use and transport while meeting global safety and regulatory requirements.
EU RoHS 10 certificate
The EU RoHS 10 certificate proves a product meets EU standards restricting 10 hazardous substances, ensuring it is safe, eco-friendly and legally compliant for sale in Europe.
CE Certification
The CE certificate is a mandatory EU safety mark, confirming compliance with health, safety and environmental standards for legal sale in the European market.
BMW i3 Battery Module Kit Technical Support
Our experts provide 24/7 technical help for your BMW i3 setup. Contact us for wiring tips, SEM settings, or any installation questions.
Expert Engineering Consultation Services
Connect with our senior engineers for custom advice. We provide detailed technical guidance to ensure your BMW i3 module kit performs at its peak.
Comprehensive Wiring and Connection Help
Facing issues with cable layouts? Our team offers clear wiring diagrams and real-time support to help you secure every electrical connection safely.
Remote BMS Configuration Assistance
We help you calibrate your Battery Management System remotely. Our experts ensure your software settings align perfectly with the 45kWh hardware.
Post-Installation Performance Check
After setup, our team can review your system data. We analyze voltage and thermal levels to verify that your battery kit is operating correctly.
Rapid Troubleshooting and Repair Support
If you encounter any technical errors, our fast-response team is here. We provide efficient solutions to minimize downtime for your EV projects.
Long-Term System Maintenance Guidance
Learn how to extend the life of your battery modules. We offer professional maintenance tips to keep your energy storage system healthy for years.
Contact Us
Contact our experts for professional battery solutions. We are here to support your power needs with reliable service and expertise.