Seplos
Seplos Mason 280 Battery DIY Kits |10A Active Balance | No Cells | 51.2V/280Ah/304Ah
Seplos Mason 280 Battery DIY Kits |10A Active Balance | No Cells | 51.2V/280Ah/304Ah
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Seplos Mason 280 DIY Battery Kit – The Complete 14.3KWh Energy Storage Solution
🔋 Build a Professional-Grade 14.3KWh Battery Bank with Ease!
Take control of your energy future with the Seplos Mason 280 DIY Battery Kit—the most complete LiFePO4 bundle for home solar storage, off-grid living, and energy startups. Everything included: from high-current busbars to mounting hardware!
⚡ Why This is the SMARTEST DIY Battery Kit?
✅ "Complete Ready-to-Build Package"
→ Includes pre-cut copper busbars, all necessary screws, and epoxy insulation boards—no last-minute hardware store runs!
✅ "Industrial-Grade 16S 200A BMS with Active Balancing"
→ Prevents cell imbalance and extends battery life by 30% vs basic kits
✅ "Real-Time Bluetooth Monitoring & LCD Display"
→ Track voltage, temperature and balance cells from your smartphone
✅ "Universal Compatibility"
→ Works with EVE 280K/304, GF/LISHEN 280Ah, and other 280Ah cells + connects to any RS485/CAN communication
✅ "Scalable to 228KWh (16 Parallel Units!)"
→ Perfect for growing home systems or commercial energy storage projects
✅ "Active Cooling & IP20 Protection"
→ Built-in fan and dust-resistant design for long-term reliability
📦 What's Included?
✔ Seplos Smart BMS 3.0 (16S 200A)
✔ Pre-assembled battery enclosure (817x414x267mm)
✔ High-current copper busbars (for safe 200A+ connections)
✔ Complete screw set (no missing hardware!)
✔ Epoxy insulation boards (for added safety)
✔ Active balancer & cooling system
✔ LCD screen + Bluetooth module
🚀 Perfect For:
• DIY solar enthusiasts • Off-grid homes • Energy startups • Solar installers • Battery assemblers
💡 Why Professionals Choose Seplos?
→ "Most kits exclude critical parts like proper busbars - ours includes everything!"
→ "200A continuous rating handles real-world solar loads"
→ "Expandable architecture grows with your energy needs"
⏳ Limited Complete Kits Available!
Over 1,200+ sold to DIYers and businesses—prices rising soon!
👉 [Add to Cart] Now & Build With Confidence!
- Free Shipping: Free Ship for the EU countries
- 5-Year Warranty: Backed up by technical support within 24 hrs
- Fast Delivery: Shipped from European warehouse, fast delivery within 3-7 days
1 Hour Assembly, Beginner Friendly
Only a drill needed – no wiring skills! Watch our step-by-step video.
Trusted by 10,000+ European DIYers
- NO. 1 DIY battery kit in Germany & France
- Local compliance - CE certified for EU standards
- Trusted by hundreds of DIYers and solar engineers around the world
Wide Range of Applications
✅ RV users
✅ Home backup power
✅ Small off-grid system
✅ UPS system and server backup power
Recommended by 50+ sustainability bloggers
Featured on ‘Off-Grid Garage’ YouTube
FAQ
Is this safe for beginners?
✅ Yes! The Mason 280 battery kits are beginner-friendly — no welding required, pre-tabbed cells, and clear wiring diagrams. We also include video tutorials to guide you step by step.
What tools do I need to assemble the kit?
🛠️ You’ll only need basic tools like a drill and a multimeter. No spot welder or soldering iron is necessary — it’s truly plug-and-play.
Can I use this with my existing inverter?
🔌 Absolutely. Mason 280 cells are compatible with most popular inverters (e.g., Victron, Growatt, EG4). Just check your specs before connecting.
Can I connect multiple kits together for larger systems?
📦 We do a full capacity and voltage test before shipping. But if anything is wrong, we offer quick replacements and responsive support. Your satisfaction is guaranteed.
What if I can't assemble it correctly?
• 24/7 live chat support (avg. response time: 8 minutes)
• Money-back guarantee if you’re unsatisfied
