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Seplos Mason 280L Vertical Battery DIY Box | No Cells | 51.2V 280Ah/304Ah

Seplos Mason 280L Vertical Battery DIY Box | No Cells | 51.2V 280Ah/304Ah

Regular price $540.00 USD
Regular price $650.00 USD Sale price $540.00 USD
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Code: 06G8D71741DT

SEPLOS Mason 280L DIY Battery Kit - Build Your Professional 14.3kWh Energy Storage System!

🔋 The Ultimate DIY Power Solution for Solar Enthusiasts

Engineered by SEPLOS energy experts, this complete Mason 280L DIY kit lets you build a high-performance 14.3kWh battery bank that outperforms pre-built systems at half the cost! Perfect for solar homes, off-grid cabins, and energy startups.

 "Complete Kit - Just Add Cells!"
→ Includes pre-assembled IP20 enclosure, BMS 3.0, LCD screen & all wiring
→ Compatible with 280Ah/304Ah LiFePO4 cells (EVE, CATL, REPT)

 "Military-Grade Protection"
 Smart 16S 200A BMS with passive balancing
 CAN/RS485 communication works with various inverters  like Victron/SMA/Goodwe inverters

 "Grow With Your Needs"
→ Expandable to 16 units (228 kWh!)

 "Real-Time Monitoring"
 LCD display + mobile app for voltage/temperature tracking

📦 Full Kit Includes:

✔ Steel battery enclosure (817×412×267mm)
✔ SEPLOS BMS 3.0 (16S 200A)
✔ LCD display panel
✔ CAN/RS485 communication ports
✔ All necessary cables & connectors

⚡ Why DIY Builders Choose Us?

  •  "Save 40% vs pre-built units"
  •  "Professional-grade components"
  • "Trusted by 5,000+ solar installers"

🚀 Perfect For:

• Home solar storage • Van/RV conversions • Off-grid systems • Energy startups

👉 [Add to Cart] Now & Build Like a Pro!

  • 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
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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.