B300 Bluetti Expansion Battery Module | 3,072Wh Per Battery Pack | AC200 MAX & AC300 Compatible

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.

B300 Battery Expansion Specifications:

BATTERY INFO

• Capacity: 3,072Wh (51.2V, 60Ah)
• Type: LiFePO4 (Lithium Iron Phosphate)
• Life Cycles: 3500+ Cycles to 80% Original Capacity
• Shelf-life: Recharge to 80% Every 3-6 Months
• Management System: MPPT Controller, BMS, etc. 

OUTPUT

• USB-C Port: 1 x 100W Max.
• USB-A Port: 1 x 18W USB-A
• 12V DC Outlet*: 1 x 12V/10A (Car Outlet) *All Regulated. 

INPUT

• AC Input: 500W Max.
• Solar Input: 200W Max., VOC 12-60VDC, 10A
• Car Input: 12/24V from Cigarette Lighter Port
• Max Input: 700W, With AC Adatper + Solar Input Simultaneously 

RECHARGE TIME

• AC: ≈ 6.5~7 Hours at 500W
• Solar: ≈ 15.5~16 Hours at 200W (With prime sunshine, ideal orientation and low temperature)
• 12V/24V Car Outlet (100W/200W: ≈ 30 or 15 Hours
• AC + Solar: ≈ 5 Hours at 700W (With prime sunshine, ideal orientation and low temperature)
• Solar + Solar: ≈ 5 Hours at 700W (D050S DC Charging Enhancer REQUIRED)
• Dual AC: ≈ 5 Hours at 700W (Extra adapter REQUIRED) 

GENERAL

• 240V Split Phase Bonding: Yes, work with AC300
• Pass-through Charge: Yes
• Weight: 79.6lbs (36.1kg)
• Dimensions (LxWxD): 20.5 x 12.5 x 10.5in ( 52 x 32 x 26.6cm)
• Operating Temperature: -4-104℉ (-20-40℃)
• Storage Temperature: -4-104℉ (-20-40℃)
• Certifications: UL Standard, CEC, DOE, FCC, CA Prop 65
• Warranty: 48 Months (Enter to learn more about BLUETTI warranty policy)

In the Box: 

• Bluetti B300 Expansion Battery
• Battery Expansion Cable (PO90A)
• Solar Charging Cable (MC4 to XT90)
• User Manual 
• QC Card
• 48 Month Warranty Card

Orders are processed within 72 hours. We do our best to ship as quickly as possible. You can expect delivery within 7 to 14 business days from order to delivery (US). For more info please see our Shipping policy.

Larger Freight items: Shipping times depend on the destination & the size of the order. Please contact us for shipping time estimates or for a custom freight quote.

Full Manufacturer warranty included.

100% protected against defects or malfunctions with full manufacturer warranty.

Our dedicated customer service team is always available to assist you with help locating warranty information for any product, ensuring a smooth resolution process.

We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.

If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your equipment, we’ve got you covered.