Bluetti B500K2 for Apex 300 Expansion Battery | 5,120Wh
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$4,19900
Offer ends
04/11/2026
Or 12 interest free payments of $349.92 with
available on orders $1–$4,000
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Delivery Options details
Small items
Cost
In stock
Low/Out of stock
Metro Areas - $6.99
Estimated delivery in 1 - 3 business days if ordered before midday.
Estimated delivery in 5 - 14 days (subject to supplier stock availability)*
Rural Delivery - $9.99
Estimated delivery in 3 - 5 business days
Estimated delivery in 7 - 14 days (subject to supplier stock availability)*
Large items (Delivery only)
Cost - $119.00
In stock
Low/Out of stock
Metro Areas
Estimated delivery in 2 - 4 business days
Estimated delivery in 7 - 14 days (subject to supplier stock availability)*
Rural Delivery
Estimated delivery in 3 - 5 business days
Estimated delivery in 7 - 14 days (subject to supplier stock availability)*
Product details
Model:B500K2Product Id:254144
Expand your power. Extend your possibilities. The BLUETTI B500K2 adds 5,120Wh of LiFePO4 battery capacity to the Apex 300, providing longer-lasting backup power for your home, RV, jobsite, or off-grid adventures. Built for seamless compatibility and future expansion, it's the perfect solution for growing your energy storage system.
Features & Benefits
Extend Your Backup Time: From outage protection to camping trips and off-grid working, the B500K2 keeps you powered for longer - more freedom and peace of mind
Up to 100 kWh Massive Expansion: Increase your energy storage as needed, from 5.12 kWh to over 100 kWh*. The B500K2 battery is compatible with various BLUETTI power stations for easy, cost-effective upgrades. *Note:Achieved with 3*Apex 300 + 18*B500K2 units
5.12 kWh, Lasts Up to 10 Years: Supplies reliable energy for years with over 4,000 cycles
Scalable to 100 kWh: Easily expands your setup for partial, whole-home, or even small business backup
Part of a Smarter Power System: Pairs with SolarX 4K, Hub D1, and more for clean, connected energy
More Durable & Safe: Wireless internal frame makes it resilient to real-world knocks and shocks
Wall or Trolley Setup: Mount to save space or move with ease for flexible, convenient use
48 months manufacturer warranty
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