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BLUETTI B300 3,072Wh LiFePO4 Expansion Battery

SKU: B300
AvailabilityOut of stock
Regular price $1,599.00
Regular price Sale price $1,599.00
Sold out
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Overview

Flexible Charging Options: Experience rapid recharging of the BLUETTI B300 with a maximum 200W solar input, thanks to its integrated MPPT technology. Furthermore, it supports AC, car, and lead-acid battery charging, with the latter requiring the D050S adapter.

Versatile Power Supply: From smartphones and laptops to fans, lights, refrigerators, and microwave ovens, the BLUETTI B300 caters to your diverse power needs. Utilize its specific output ports, including the 100W USB-C, 12V/10A cigarette lighter, and 18W USB-A ports.

Expandable Battery Capacity: Equipped with a 3,072Wh capacity and boasting over 3,500 life cycles with LifePO4 battery cells, the B300 retains up to 80% of its original capacity. Moreover, when paired with BLUETTI AC200MAX, AC200P, or AC300 series products, it can double, triple, or even quadruple its total capacity.

Home Backup and Travel Companion: Whether you're hosting a family gathering or embarking on a camping trip, the B300 serves as your reliable backup power supply or portable power bank. It effortlessly fuels your home and camping essentials, allowing you to fully immerse yourself in enjoyable moments.

On the left is the Bluetti B300 3,072Wh LiFePO4 Expansion Battery, featuring various ports and buttons; on the right, icons illustrate solar, AC, and car charging plus expandable capacity against a dark background.

Features

  • Features with a 100W USB-C, a 12V/10A car output and a USB-A ports, you can use the B300 as a portable power station.
  • The smart MPPT inside of the B300 enables it to recharge quickly through solar power at a 200W maximum loading scale.
  • You can also recharge it by wall socket, car charging or lead-acid battery.
  • Car charging and lead-acid battery charging need to be realized through D050S.
Close-up of the Bluetti B300 3,072Wh LiFePO4 Expansion Battery with labeled ports—12V/10A cigarette lighter, 100W PD3.0 Type-C, and 18W USB-A QC3.0—showing its expandable capacity and flexible charging options.

Specifications

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)
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
AC ≈ 6.5~7 Hours at 500W
Solar ≈ 15.5~16 Hours at 200W
12V/24V Car Outlet (100W/200W): ≈ 30 or 15 Hours
AC + Solar ≈ 5 Hours at 700W
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, 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 UL2743, UKCA, RCM, PSE, FCC, CE
Warranty 48 Months
A Bluetti B300 3,072Wh LiFePO4 Expansion Battery appears against a dark backdrop with glowing Bluetti text above, emphasizing its expandable capacity. The battery’s 3,072Wh rating is partially visible behind it, with BLUETTI B300 BATTERY MODULES in white.

What's Included in the Package

Image showing the Bluetti B300 3,072Wh LiFePO4 Expansion Battery with expandable capacity, battery expansion cable (P090A), MC4 to XT90 solar charging cable, user manual, QC card, and a 48-month warranty card.

B300 Battery Module Tutorial

Additional Documentation

BLUETTI B300 Expansion Battery User Manual

Customer Reviews

Based on 87 reviews
91%
(79)
7%
(6)
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(0)
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2%
(2)
G
Guest C.
Great product

8 b300s & 2ac300 run my whole house including hog tub

P
Paul S.
AC300 is the brains and B300 is the muscle

It is important to understand what the AC300 is and what the B300 is and how they relate to each other.

J
John N.
Beautiful and flexible

The B300 can be charged through solar, AC adapter, or through the connection cable to my AC200L.

G
Guest C.
Works well!

Love this thing and charges well with solar panels.

S
Sunjay K.
Works well for AC300 & AC500

Perfect to expand the capacity of your AC300 & AC500 units

Shipping information

Free shipping on all orders within the mainland US (Hawaii, Alaska and overseas territories excluded - a freight forwarder is required). Orders are confirmed by email immediately; we verify stock with the supplier before your card is charged. In-stock items ship within five business days, with tracking emailed within 24 hours of shipment. Typical lead time from purchase to delivery is 5-10 business days; freight transit is usually 4-6 business days. Minimum order value is $69.

  • Carriers: FedEx, UPS, USPS, Estes, Roadrunner.
  • Freight deliveries to locations an 18-wheeler cannot reach, islands, or ferry/train access may incur additional carrier charges - tell us about access limits before ordering.
  • Refunds are not available for orders shipped to an incorrect address entered at checkout.
  • Questions: +1 (307) 317-7213 or hello@ecosolarkits.com, Mon-Sat 9:00 AM - 8:00 PM EST.

Read the full shipping policy

Return and refund policy

You have 30 days from the delivery date to initiate a return (35 days for orders placed Nov 25-30 and Dec 25-31). Items must be unused, in original packaging with tags attached, and returns require prior authorization from our team.

  • Damaged on arrival or wrong item: contact us within 24 hours of delivery (photos help) - we cover return shipping and issue a full refund or replacement.
  • Manufacturing defects: covered under the manufacturer's warranty - contact us for guidance.
  • Changed your mind: return shipping is the customer's responsibility and a 25% restocking fee may apply.
  • Cancelling before shipment: a 3% deduction covers platform fees.
  • Refunds are processed to the original payment method within approximately 10 days of the return being received and inspected.

To start a return: +1 (307) 317-7213, hello@ecosolarkits.com, or live chat. Read the full return and refund policy