BMW i3 Battery Bulk Supply: The Game-Changing Upgrade Every Owner Needs in 2026
Why Is Your BMW i3’s Range Dropping Faster Than Expected?
Imagine driving your BMW i3 confidently for a morning commute, only to find yourself stranded with a 120km range instead of the promised 250km. This isn’t just frustrating—it’s expensive. Original BMW i3 battery replacements cost $12,000+ while offering the same degraded performance. The reality? Most owners face this dilemma within 5-7 years of ownership. But what if you could double your range for less than half the price of the factory replacement?
The Truth About BMW i3 Battery Degradation
Most BMW i3 owners don’t realize their battery’s true potential. After 5 years, the original battery typically retains only 65-70% of its capacity. This means:
- A 160km range becomes 105km
- Daily charging becomes a necessity
- The car’s resale value plummets
The conventional solution? Pay $12,000+ for a factory battery that will follow the same degradation pattern. But there’s a smarter path forward—one that’s been adopted by thousands of BMW i3 owners globally.
Introducing CNS BATTERY: The OEM-Compatible Solution That’s Changing the Game
CNS BATTERY isn’t just another battery supplier. We’re engineers who’ve spent years optimizing for BMW i3 battery performance. Our 45kWh, 50kWh, and 62kWh battery packs use brand new CATL ternary lithium cells—the same high-quality cells used in premium EVs—ensuring you get the performance you deserve without the factory markup.
Why CNS BATTERY Stands Out
Brand-New CATL Cells, Not Refurbished Ones
Unlike competitors who sell refurbished batteries with shortened lifespans, we use 100% new CATL battery cells. This means:
- No swelling issues
- No sudden capacity drops
- 20-30% longer lifespan than factory batteries
OEM Compatibility That Just Works
Our batteries are engineered to fit seamlessly into your BMW i3. The 45kWh battery module (768×468×208mm, 65kg) and 50kWh battery module (860×468×208mm, 72kg) connect directly with your vehicle’s BMS system—no modifications required.
Real Range Improvements, Not Just Marketing Claims
Owners who’ve upgraded report:
- 430km full-charge range (vs. the original 180km)
- 290km with air conditioning on highway (vs. 120km)
- 200km more than factory replacement at half the price
The Unbeatable Value Proposition
Let’s break down the numbers that matter to you:
| Feature | Original BMW Battery | CNS BATTERY |
|---|---|---|
| Price | $12,000+ | $7,800-$8,200 |
| Capacity | 160km (original) | 290km+ (after upgrade) |
| Cell Quality | Factory-sourced | Brand-new CATL cells |
| Warranty | 1 year/24,000km | 2 years/80,000km |
| Installation | Requires dealer (2+ days) | Plug-and-play or simple module swap |
This isn’t just about saving money—it’s about getting the real value you deserve from your BMW i3.
Real User Experiences: What Owners Are Saying
“After the original battery degraded to 120km, I was ready to sell my i3. CNS upgraded me to 45kWh for $7,800. Now I get 290km on a full charge, and the 2-year warranty gives me peace of mind. The installation was plug-and-play, and the range is perfect for my daily commute.” — Lisa K., Berlin, Germany
“I replaced my 2014 BMW i3 battery with CNS’s 50kWh pack. The range went from 180km to 290km, and the price was less than half of what BMW quoted. The customer service even provided remote video guidance when I had a minor wiring question.” — David L., London, UK
Why Bulk Supply Makes Sense for Dealers and Fleet Owners
If you’re a BMW i3 dealer or fleet manager, the CNS BATTERY bulk supply program delivers exceptional value:
- 50%+ cost savings compared to OEM prices
- No inventory risk with our flexible ordering
- Technical support for your installation team
- Custom branding options for your business
- Guaranteed compatibility across all BMW i3 models
Our bulk pricing structure is designed to help you maximize your margins while delivering superior value to your customers.
The Complete Solution: Battery, Installation, and Support
CNS BATTERY doesn’t just sell batteries—we deliver a complete ownership experience:
- Pre-sale compatibility check (via VIN) to ensure perfect fit
- Detailed installation videos for DIY enthusiasts
- Remote technical support for complex installations
- 2-year/80,000km warranty on every unit
- Lifetime technical support after purchase
This comprehensive approach is why we’ve become the preferred battery partner for over 50 auto repair shops worldwide.
Ready to Transform Your BMW i3’s Performance?
Don’t let battery degradation limit your driving experience any longer. With CNS BATTERY, you’re not just replacing a battery—you’re investing in a better driving experience that lasts.
Get Your Custom Quote Today
Our team of battery specialists will help you select the perfect solution for your BMW i3, ensuring optimal performance, range, and value.
Get Your Free Custom Quote Now
Frequently Asked Questions
Q: How long does the battery installation take?
A: For a complete battery pack, it’s a simple plug-and-play installation that typically takes 2-3 hours. For individual battery modules, you’ll need to connect 6 power lines and 1 signal line—usually completed in 1-2 hours with basic tools.
Q: Is the battery compatible with all BMW i3 models?
A: Yes. Our 45kWh, 50kWh, and 62kWh batteries are compatible with all BMW i3 models from 2013-2023, including the i3, i3s, and i3 REx variants.
Q: What’s the warranty on CNS batteries?
A: We offer a 2-year/80,000km warranty, whichever comes first. This is significantly longer than most competitors and covers all manufacturing defects.
Q: Can I install this myself?
A: Absolutely. We provide detailed installation videos and step-by-step guides. If you’re comfortable with basic automotive tools and electrical connections, you can complete the installation yourself. For more complex installations, our remote technical support team is available to guide you through the process.
Q: How long will shipping take?
A: For international orders, ocean shipping takes 4-8 weeks. For urgent orders, we offer express shipping options (DHL/FEDEX) that arrive in 3-8 business days.
Q: Will this battery affect my car’s warranty?
A: No. Our batteries are designed as OEM replacements and won’t void your vehicle’s warranty. We’ve worked with BMW dealerships to ensure seamless compatibility.
Stop settling for a car with limited range. The CNS BATTERY upgrade is the smart, cost-effective solution that’s transforming BMW i3 ownership worldwide. With our brand-new CATL cells, OEM compatibility, and unbeatable warranty, you’re getting the true value of your BMW i3.
Get Your Custom Quote Today and experience the difference for yourself.

