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Seplos Mason 280L Vertical Battery DIY Kits | 10A Active Balancer | No Cells | 51.2V 280Ah/304Ah
Seplos Mason 280L Vertical Battery DIY Kits | 10A Active Balancer | No Cells | 51.2V 280Ah/304Ah
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🔧 Ultimate DIY Energy Freedom - Complete Kit Includes Everything You Need!
Take control of your power with the SEPLOS Mason 280l DIY Battery Kit - the most complete solution for building a professional-grade 14.3KWh energy storage system. Perfect for solar enthusiasts, this kit gives you everything to assemble a high-performance battery pack at half the cost of pre-built units!
⚡ Why DIY Builders Love This Kit:
✅ "Most Complete DIY Kit Available"
→ Includes pre-cut copper busbars, full screw set, and epoxy boards - no missing parts!
✅ "Works With ALL Major 280Ah Cells"
→ Compatible with EVE 280K/304Ah, GF,LISHEN 280AH and other top LiFePO4 cells
✅ "Smart BMS 3.0 with Active Balancing"
→ 16S 200A management system prevents cell imbalance (extends life 30%+)
✅ "Real-Time Bluetooth Monitoring"
→ Track performance from your phone with Seplos app (iOS/Android)
✅ "Expandable to 228KWh!"
→ Connect up to 16 units as your energy needs grow
✅ "Military-Grade Safety"
→ IP20 enclosure + integrated cooling fan + circuit protection
📦 Full Kit Contents:
✔ Seplos BMS 3.0 (16S 200A)
✔ Pre-assembled steel enclosure (817x412x267mm)
✔ High-current copper busbar set
✔ Complete stainless steel screw kit
✔ Epoxy insulation boards
✔ Active balancer & cooling system
✔ LCD display + Bluetooth module
🔨 Perfect For DIY Projects:
• Home solar storage • Off-grid systems • Van/RV conversions • Energy startups • Solar installers
💡 Why Buyers Choose SEPLOS?
→ "Most 'plug-and-play' batteries use cheap cells - ours are automotive-grade!"
→ "16-unit expandability means never outgrowing your system"
→ "Engineered by energy storage experts - not generic rebranded batteries"
⏳ LIMITED DIY KITS AVAILABLE!
Over 2,000+ sold to DIY builders - restocking in 6-8 weeks!
👉 [Add to Cart] Now & Start Building This Weekend!
- 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
Seplos Mason 280l Vertical Battery DIY Kits
This DIY kits can be combined with 280Ah or 304Ah LIFePo4 cells to assemble a 14.33Kwh ESS facility for household energy storage. Internal with BMS 3.0, this system enables communication with inverters and provides overcurrent, overcharge, over-discharge, and overtemperature protection for the battery pack. Furthermore, the BMS has a battery balance function, which can increase the usable capacity of the battery pack.
100% Protection with the Latest BMS
The Mason 280l Vertical DIY kits comes equipped with a new generation 200A BMS that features 20+ protection and warning functions to safeguard the battery from impacts of overcharge, over-discharge, over-current, overheating, low temperature and short circuits. Meanwhile, Seplos BMS comes with pre-charge function, which can be adapted to most inverters on the market. Whether charging or discharging, it delivers an unparalleled user experience.
SPCC Enclosure with Excellent Protection
The Mason 280 DIY kits features an SPCC construction. The SPCC enclosure not only lends rugged durability but its integrated structure promotes heat dissipation for prolonged healthy operation. Be it home storage or off-grid cabin use, you can rely on this battery's robust quality to maintain optimal performance.
Max. 16 Batteries in Parallel to Eliminate Power Shortages
Each 48V(51.2V) 280Ah LiFePO4 stacked individual battery delivers 14.3 kWh of energy. 16 batteries in parallel can create a 51.2V 4480Ah system that unleashes a colossal 229.38 kWh of energy. With a truly gigantic energy capacity, this system easily supports any energy demands. Just install and forget about energy shortfalls.
Seamless Communication, Endless Possibilities
The Mason 280 LiFePO4 batteries have higher compatibility, which support CAN/RS485 and can communicate with popular all-in-one solar inverter chargers on the market, such as the Victron, SMA, DEYE, GoodWe and Growatt brands.
Empowering Brilliance: Intelligence & LED Indication
The Seplos 48V 280Ah Mason 280 Stackable DIY kits has realized a true intelligent upgrade with an all-new improved version. We've equipped the battery with a 3.5-inch LCD display, allowing you to view battery real-time data/status and single battery data, choose inverter protocol and adjust system settings. At the same time, the battery's front panel also features LED indicators that indicate the battery SOC, alarms, operating status and more, allowing you to stay informed of the battery status anytime.
Versatile Applications for Home Backup and More
The Seplos Mason 280 battery energy storage system is designed for home storage. Featuring convenient and robust installation via a standard server rack cabinet or customized integrated stacking components, it excels not only in residential setups but also for off-grid cabins.
