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Batteries

In stock

BLUETTI

BLUETTI B300 Expansion Battery | 3,072Wh

$1,119.20
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

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

With 3,072Wh of storage, the B300 expansion battery can add capacity to a BLUETTI system or run as a portable power source through its own DC ports. Its built-in MPPT also lets it recharge from solar directly.

Planning a system? Read our guide: How to size a battery backup system for your home.

Key benefits

  • A 3,072Wh capacity adds substantial runtime to a backup setup.
  • Built-in MPPT allows direct solar charging.
  • It can power USB and 12V devices on its own.

Key features

  • 3,072Wh capacity
  • 100W USB-C, 12V/10A car output and USB-A ports
  • Smart MPPT for solar charging up to 200W
  • Recharges from a wall socket, car or lead-acid battery
  • Car and lead-acid battery charging through the D050S

Ideal use

Adding capacity to a compatible BLUETTI home backup system, or powering DC devices off-grid.

Key specifications

Model / SKU
B300-UN-GY-BL-SPFUS
Brand
BLUETTI
Category
Batteries
Voltage
12V
Rated power
100 W
Energy capacity
3,072 Wh

From the manufacturer

Features with a 100W USB-C, a 12V/10A car output and a USB-A ports, you can use the B300 as a portable power station. The smart MPPT inside of the B300 enables it to recharge quickly through solar power at a 200W maximum loading scale. You can also recharge it by wall socket, car charging or lead-acid battery. Car charging and lead-acid battery charging need to be realized through D050S.

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.

Our team can confirm B300 compatibility with your BLUETTI power station. Message our team on WhatsApp.

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