BLUETTI B300K Expansion Battery | 2,764.8Wh
Massive Power. Endless Possibilities. One Battery to Rule Your Backup.
When the grid goes quiet, the BLUETTI B300K keeps your world running. Packing a colossal 2,764.8Wh LiFePOâ‚„ battery, this expansion powerhouse is built to supercharge the runtime of your compatible BLUETTI power station whether you are riding out a storm at home, chasing the horizon in your RV, or living life completely off the grid in New Zealand.
2,764.8Wh of Pure Staying Power
Don’t just survive the outage barely notice it. The B300K delivers serious capacity to keep the essentials humming: fridges, freezers, fans, lights, Wi-Fi routers, power tools, and everyday devices. Long blackouts and extended off-grid stretches? Handled.
Expand Your BLUETTI. Scale Your Freedom.
Plug in and power up. The B300K connects seamlessly with compatible BLUETTI power stations, including the AC300 series, letting you grow your energy reserves exactly when your lifestyle demands it. Perfect for home backup today, mobile adventures tomorrow.
Soak Up the Sun
Pair the B300K with a compatible BLUETTI system and harness efficient solar charging to cut the cord on grid dependence. It’s the smart heart of any solar setup from cabins and campervans to fully off-grid homes.
Standalone? No Problem.
The B300K isn’t just a sidekick. With built-in USB ports and a 12V DC output, it can fly solo to charge phones, run small devices, and keep you connected no power station required.
Built to Last 3,500+ Cycles
Engineered with advanced LiFePOâ‚„ cells, the B300K is rated for over 3,500 charge cycles with rock-solid safety and stable performance. This is a battery built for years of hard, reliable use.
Tough Enough for Anywhere
Big on capacity, smart on portability. Whether it’s van life, marathon camping trips, remote worksites, or whole-home resilience, the B300K shows up ready to work.
Perfect For
- Expanding home backup systems
- RV, van life & off-grid living
- Long camping trips
- Powering multiple devices for hours on end
- Solar storage setups
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