BLUETTI B300 Expansion Battery


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Price: $1,999.00
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The BLUETTI B300 Expansion Battery serves as expansion to compatible BLUETTI power stations or, on its own, as a power bank. Power your home or off-grid and outdoor adventures. 

Product Details

The BLUETTI 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 compatible BLUETTI power stations.

It can be used alone as a power supply to charge devices such as mobile phones, laptops, and car refrigerators on its own with the 100W USB-C, 18W USB-A, and a 12V car port.

You can recharge BLUETTI B300 quickly with 200W max solar input thanks to the built-in MPPT. It also supports AC, car, and lead-acid battery charging. (Car and lead-acid battery charging require a D050S Charging Enhancer sold separately.)


Which BLUETTI power stations work with the B300P?

AC300/AC200/AC200P/AC200MAX/EB150/EB240/EP500Pro. Except for AC300, an additional accessory is required for each station.
AC200/AC200P: P090D to XT90 cable
EB150/EB240: P090D to DC7909 cable
EP500Pro: P090D TO MC4

How many B300P batteries can I connect to the AC200Max or AC300?

AC300: Up to 4 B300 for 12,288Wh capacity
AC200MAX: Up to 2 B300 for 8,192Wh capacity

What are the charging methods?

B300 can be recharged by:
1)700W AC adapter (Sold separately)
2) Car cigarette lighter output or solar panels (Require the BLUETTI D050S - DC charging enhancer, sold separately).
Notice: There is only one inlet on the battery module, so it cannot be charged by more than one charge method simultaneously.

Can the B300 battery module be used alone?

Yes. It has a 100W USB-C, a USB-A, and a 12V DC output ports to charge your compatible devices.



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.


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


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 Adapter + Solar Input Simultaneously


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)


240V Split Phase Bonding: Yes, with the BLUETTI 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: UL2743, UKCA, RCM, PSE, FCC, CE

Warranty: 48 Months

Shipping and Returns

This item is available only to orders in the US mainland states (not available to ship to Hawaii, Alaska, Virgin Islands and Puerto Rico.)

We want you to be happy with your purchase. Visit our Shipping page for order details. We stand by our Price Guarantee and Return Policy.

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