BLUETTI B300K EXPANSION BATTERY

The BLUETTI B300K Expansion Battery is a high-capacity expansion battery designed to increase energy storage for residential solar systems and backup power stations.
Built with next-generation LiFePO₄ technology, it delivers a long cycle life, efficient operation, and seamless compatibility with BLUETTI AC series power stations and Apex systems. It’s ideal for users who want more stored energy for their home, business, or extended off-grid use.

Large Energy Storage Capacity

Designed to integrate with BLUETTI energy systems, the B300K provides additional clean energy storage to keep essential loads running longer.

Compatible with BLUETTI Systems

Easily integrates with BLUETTI power stations that support battery expansion, including AC500, Apex 300, and other compatible inverters.

Advanced LiFePO₄ Technology

Lithium iron phosphate chemistry delivers a much longer lifespan and more charge/discharge cycles than traditional lead-acid or standard lithium batteries.

Scalable to Your Needs

Add one or multiple B300K batteries to increase total system capacity, supporting higher loads or extending runtime during outages or prolonged use.

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BLUETTI B300K EXPANSION BATTERY (pair with Apex300)

BLUETTI B300K EXPANSION BATTERY (pair with Apex300)

$1,499.00 USD
BLUETTI B300K EXPANSION BATTERY (pair with Apex300) - P-B300K-UN-GY-BL-010

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What can it feed?

Refrigerator (120W): 19 hours

Dishwasher (100W): 20 hours

LED lights (10W): 200 hours

Hair dryer (1,600W): 1–2 hours

Electric hammer (800W): 2.3 hours

Air conditioner (1,000W): 2 hours

Air compressor (1,200W): 1.5 hours

Coffee maker or heater (1,000W / 1,200W): 1 hour

Portable & Versatile

Easy to move wherever you need it

No noise or fumes: clean, silent energy

Solar-ready: easy and sustainable recharging

Reliable control: simple and secure monitoring

Why Is It Ideal for Caribbean?

Caribbean experiences frequent power outages and challenging weather conditions, making additional energy storage a major advantage:

  • Greater energy autonomy
    With one or more B300K batteries connected, you can store more solar energy for nighttime use, cloudy days, or extended outages.
  • Longer backup duration
    Ideal for families, small businesses, or systems that require continuous power without relying on the grid.
  • Integration with existing solar & backup systems Works seamlessly with other BLUETTI products to build custom energy solutions tailored to your needs.

Secure your uninterrupted energy

Explore our catalog, request a quote, or call us at 340-201-4752.

At ProSolar Caribbean, we help you find the perfect battery for your home, business, or next adventure.