This is only the battery without an inverter, it needs to connect to an AC300 to use.

Flexible Recharging

You can recharge BLUETTI B300 quickly with 200W Max. solar input thanks to the built-in MPPT. Besides, it also supports AC, car, and lead-acid battery charging. The car and lead-acid battery charging need a D050S.

Versatile Power Source

You can power your smartphones, laptops, fans, lights, refrigerators, microwave ovens, and so on with specific output port - the 100W USB-C, 12V/10A cigarette lighter, and 18W USB-A output ports.

Expandable Battery Pack

B300 has 3,072Wh capacity and over 3,500 life cycles with the LifePO4 battery cells, offering up to 80% of original capacity. Moreover, it will double, triple, even quadruple the total capacity with BLUETTI AC200MAX, AC200P, or AC300 series.

Home Backup and Trip Power Bank

Whether in a family gathering or camping trip, B300 will serve as your backup power supply or power bank. It powers your home and camping necessities well, and all you need to do is enjoy the good times.

• [Extra 3072Wh Capacity]-The overall capacity of AC300 can reach up to 12,288Wh by connecting with 4*B300 modules, It is also compatible with BLUETTI AC200MAX/AC200P/EB240/EB150/EP500
• [Far More Than a Extra Battery] - Bluetti B300 battery module is not just an expandable battery pack, It can also be used as an independent high efficiency giant power bank. The B300 features with 1 100W USB-C, 1 12V/10A car output and a 18W USB-A ports, you can connect all your essential USB and DC devices directly to the B300.
• [LiFePO4 Cell Give You Peace of Mind] - The B300 solar generator use top-of-the-range LFP battery cells which is famous for its superior stability and security, boasting up to life cycles 3,500+ to 80% or 6000+ to 50% . An incredible long-lasting power station.
• [Independent Charging Capabilities] - Bluetti B300 battery module can be charged independently from the main solar generator, solar, AC, car, lead-acid battery, you can feed it up in 5 hours by 700W Max dual charging(dual PV or PV + AC adapter), The car / lead-acid battery and & solar recharging need a D050S
• [What You Get] - BLUETTI B300 module, Battery expansion cable, Solar charging cable, User manual, 48-month warranty, and friendly local customer service.

FAQ:

Q1. Can the B300 battery module be used alone?

A. Yes. B300 features a 100W USB-C, a USB-A and a 12V DC output ports. The battery module can work flawlessly when standalone.

Q2: What battery does the product use?

A: Safety LiFePO4 battery cell

Q3: What power station is B300 compatible with ?

A: B300 is compatible with AC200/AC200P/AC200MAX/EB150/EB240/EP500Pro

Q4: Can the unit be upgraded?

A:Yes, When B300 has been connected to AC300, the firmware including ARM, DSP, IOT and BMS can be upgraded online through OTA via BLUETTI APP.

Q5. Does the B300 support hot swapping?

A. Yes, you can connect B300 battery pack into AC300 or AC200Max without turning them off.