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Bluetti B300S Battery Expansion | 3,072Wh LiFePo4 Battery

by Bluetti
Original price $2,299.00 - Original price $2,299.00
Original price
$2,299.00 - $2,299.00
Current price $2,299.00

In Stock & Ready to Ship

All orders ship within 1-2 business days. Product ETA 5-7 business days.


Introducing the Bluetti B300S Battery Expansion, a powerhouse of portable energy designed to elevate your power solutions. With its cutting-edge 3,072Wh LiFePO4 battery, this expansion module boasts an impressive lifespan of over 3,500 cycles, ensuring longevity and reliability for all your power needs.

Equipped with a standalone power station, the Bluetti B300S features versatile output options, including a 100W USB-C port, a 12V/10A car port, and a USB-A port. This allows you to charge a variety of devices simultaneously, making it the perfect companion for outdoor adventures, camping trips, or emergency situations.

Never be bound by traditional power sources again – the Bluetti B300S offers flexible charging options via AC, solar, and car power sources. This adaptability ensures you can harness the sun's energy, connect to your vehicle, or use standard AC power to keep the B300S charged and ready for action.

Designed to perform in any environment, the Temperature Adaptive Function ensures the Bluetti B300S remains responsive even in freezing conditions. No matter the weather, you can depend on this battery expansion to deliver reliable power when you need it most.

Take your power capabilities to new heights by combining the Bluetti B300S with the AC500, unlocking a staggering maximum capacity of 36,864Wh (requires 2x AC500+12x B300S). Imagine the possibilities – whether you're running multiple appliances, charging numerous devices, or creating a comprehensive backup power system, the Bluetti B300S Battery Expansion is your key to limitless power. Embrace the future of portable energy with Bluetti.

Note: Only works with AC500 and will need to purchase a P150D to P090D cable.

Product Specifications

Battery Info

3,072Wh (51.2V, 60Ah)

Cell Chemistry:
LiFePO4 (Lithium Iron Phosphate)

Life Cycles:
3,500+ Cycles to 80% Original Capacity

Recharge to 80% Every 3-6 Months

Management System:
MPPT Charge Controller, BMS, etc.


USB-C Port:
1 x 100W Max.

USB-A Port:
1 x 18W

DC Outlets:
1 x 12V/10A (Car Outlet)
*All regulated.


AC Input:
500W Max.

Solar Input:
500W Max., VOC 12-60VDC, 10A

Car Input:
12/24V from Cigarette Lighter Port

Maximum Input:
1,000W, with D050S DC Charging Enhancer


240V Split Phase Bonding:
Yes, Works with AC500

Simultaneous Recharge & Discharge:

83.8lbs (38kg)

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℃)

UL Standard, CEC, DOE, FCC, CA Prop 65

In The Box

B300S Expansion Battery

Battery Extension Cable (P150D)

Solar Charging Cable (MC4 x ST90)

User Manual

Warranty Card 

Free Shipping

Free shipping on all orders

Hassle Free Returns

We offer returns within 30 days of delivery*

*Exclusions apply

No Sales Tax

No sales tax on all orders

Excellent Customer Service

US based support. Chat, text or call us at 931-214-0703