BLUETTI
BLUETTI AC300 + B300 | Home Battery Backup
An entry point to the AC300 system, this bundle pairs one AC300 with a single B300 battery. You can add modules later as your backup needs grow.
$1,839.20
B500K for AC300/AC200L
$1,839.20
In stockShips from Baton Rouge, LA30-day warrantyFrom delivery, on eligible productsFree shippingProcessing 1 business day after payment; delivery about 2–7 business days after dispatch
Shipping & delivery30-day returnsWarranty
Check local voltage, plug, installation, and product-certification requirements before ordering. We confirm compatibility and availability for your destination before payment. See our document process.
Overview
Longer outages call for more stored energy. This is the B500K expansion battery in the AC300/AC200L version, which BLUETTI rates at 5,120Wh.
Planning a system? Read our guide: How to size a battery backup system for your home.
Key benefits
- One of the larger BLUETTI expansion batteries, at 5,120Wh per BLUETTI.
- The AC300/AC200L version is listed separately so you can match it to your unit.
Key features
- BLUETTI B500K expansion battery
- 5,120Wh capacity
- Listed for use with the AC300/AC200L
Ideal use
Extended home backup for AC300/AC200L owners who need long runtime from a single added battery.
Key specifications
- Model / SKU
- B500K1-UN-GY-SPFUS-00
- Brand
- BLUETTI
- Category
- Batteries
From the manufacturer
BLUETTI B500K Expansion Battery | 5,120Wh
Warranty terms mentioned in this description are the manufacturer’s. Our own coverage is the 30-day limited warranty.
Before you order
We confirm compatibility, installation requirements, and delivery details with you during order review, before any payment. Home electrical work may require a qualified installer.
Want to check the B500K for AC300/AC200L against your system? Ask our team and we will help confirm compatibility. Message our team on WhatsApp.
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Here you get two BLUETTI B300K expansion batteries listed for the AC200L and AC300. BLUETTI gives the pair a combined 5,529.6Wh.
$1,918.40