BLUETTI B300K, 2764.8Wh LiFePO4 Battery Pack for Portable Power Station Apex 300 Only, Extra Battery for Home, Emergency, Road Trip

Recently bought this Bluetti B300K to exoand my AC200Max. It over doubles the power of the AC200Max. It comes with the cable to connect it. Easy to hook up. The quality of build and materials is great! It charges only through beung plugged into your Bluetti solar generator that you plan to expand the battery power of. Once hooked up, you can charge them with solar panels, plug into an outlet. The B300K comes with only one USB-A type USB input. The power button must be held down for about 3 seconds to turn on. The lights are bright. It has 4 lights to represent the batter power of it. Each representing 20% of the power. And the power button lights up. This battery has a lifecycle of up to 3,500 charges from 0 to 100. After that, the battery will deplete 20%. Meaning you CAN STILL USE IT afte the 3,500 charges. And charge it from 0 to 80% of the battery's power for a long time. The functionality is easy and nice! The B300K weighs around 65lbs. But is easy to move around. The handles are sturdy. You can also see the battery percentage with the Bluetti app. And control several different Bluetti generator models with it.

Bluetti batteries are amazing great life I use them in my trailer during the summer and for emergency power for my house in the winter I love these setups they are amazing and super easy to use.

I recently completed a solar setup with 6 ZOUPW 450W panels, the Bluetti AC500, and 3 B300K batteries, and I honestly couldn't be happier. The system has been performing phenomenally — I’m generating over 2.5kW of clean, reliable solar power, which keeps my essential loads running and charges the battery bank with no problem, even on partially cloudy days. The AC500 is the brains and brawn of the operation — it manages solar input effortlessly and distributes power to the batteries and devices with incredible efficiency. With over 9kWh of battery storage thanks to the 3 B300Ks, I’m confident we can run for extended periods completely off-grid if needed. The app interface, monitoring, and expandability make it feel like something straight out of a sci-fi movie. I haven’t even installed the Bluetti sub panel yet, which will allow me to supplement power directly to the house. Once that’s in place, I’ll be able to run high-demand appliances without even noticing we’re on solar. This system has turned my home into a quiet, self-reliant energy hub — no noisy gas generators, no fuel to store, and virtually no maintenance. If you're considering building a home backup or hybrid solar system, this combo is absolutely worth it. It’s powerful, scalable, and ready for any power outage or energy-conscious lifestyle. 10/10 would recommend!

Great battery. Bought 3. May buy 2 more.

Have 3 of these, and they do what they need to. I have 2 other expansion batteries, and an AC200L and an AC200MAX, and use these when we have electrical problems. I get them out about every 6 months and use them to run my refrigerator to drain and recharge everything, they recommend doing this. So, can't say anything about how many times you can recharge them, but they work great when I plug them in. Very happy to have them, as is my neighbor. I put one system at his house at night for his refrigerator and then recharge everything when he runs his gas generator during the day. Don't want to leave generator out at night because it could be stolen. And can charge faster than by panels when are stored when not in use. Helps both of us.

Have zero regrets on these batteries and system. Originally had one battery and added a second one. These batteries w/AC300 have been running a full-size LG refrigerator and a full-size Whirlpool freezer for over 6 months 24/7. System is connected to 18 100w Renogy panels. Gave is 4 out of five due to the cost which is rather high (look for the sales which are good). There are cheaper options out there including DIY systems which I do now. Other than that, I never have to think about the system, it just works.

I bought this B300K because my electrical needs have begun to strain my AC200Max, which I have had to charge every day. Living in the Desert Southwest, we are approaching more cloudy days, meaning charging the AC200M will be more challenging, and my needs have only increased. I have been a Bluetti fan since my last solar battery, an orange one whose name starts with “J”, failed on so many levels, including two panels that completely stopped working after ONE. YEAR. I had a problem with my AC200M when it first came out; their customer service is exceptional, and the problem resolved (by exchanging the defective unit immediately) without complaint or delay. This B300K is plug-and-play, meaning all I had to do was plug it into my AC200M with the heavy cable provided, and presto, green lights! Because I was already charging, I did not even have to push the START button; it starts immediately when connected to solar. After a couple of days, the power in the two units balanced (automatically) and I no longer have to charge every day; I have much more available power in the setup. I have no reason to buy any solar battery or accessories from any other company. Well done, Bluetti. Very well done.

Me encanta esta bateria,todos los productos son de una calidad excelente, gracias

It's a beast and it works. What else to say? Plug and play with compatible Bluetti products.

Ho acquistato diversi prodotti di Bluetti tra i quali AC200MAX, AC300 e B300. AC200Max si è guastato dopo 2 anni. AC300 dopo 1 anno e mezzo. Il servizio clienti ha provveduto alla sostituzione della prima e riparazione del seconda Power station, accollandosi le spese di spedizione. È obbligatorio conservare le scatole originali. I prodotti funzionano adesso in modo eccellente, anche se con un autoconsumo di una certa rilevanza. Per B300 nulla da eccepire. Bisogna vedere se i 3500 cicli di carica-scarica sono reali. È opportuna una DOD (profondità di scarica) non inferiore del 15%.

Love it! It pretty much doubles the battery capacity of our AC 200max. It was extremely easy to hook up and incorporate into the system. We use it as our only power supply for our off-grid cabin and only use a gas generator for charging every other day or a little longer depending on how the sun is.

The item was as expected and so far works good.

Ottimo prodotto grazie arrivato ottime condizioni consegnato in anticipo massima cortesia