BLUETTI B300K Expansion Battery 2764.8Wh

This 2,764.8Wh BLUETTI expansion battery features automotive-grade LiFePO₄ cells with over 4,000 life cycles for safe, long-lasting performance. Compatible with the AC200L, AC200MAX, AC300, and AC500, it can expand capacity up to 16,588Wh and also works as a standalone power source through its built-in USB-A port.

Availability:
Out of stock
SKU:
OS_B300K
Vendor:
Bluetti

Quantity

£1,099.00

£1,499.00 26% OFF

BLUETTI B300K Expansion Battery 2764.8Wh

£1,099.00

£1,499.00 26% OFF

Bluetti B300K Expansion Battery

2,764.8Wh Capacity with 4,000+ Life Cycles: Perfectly designed for daily power needs or as a reliable backup during outages.
Automotive-Grade LiFePO₄ Battery: Enjoy an extended lifespan and enhanced safety with cutting-edge battery technology.
Seamless Compatibility: Effortlessly integrates with BLUETTI AC200L, AC200MAX, AC300, and AC500 power stations.
Maximize Your Power: Expand up to a massive 16,588Wh when connected with AC500 for diverse energy needs.
3+1 Years Warranty*: Long-term reliability guaranteed to ensure your battery is well protected.
Standalone Power Source: Charge your essential devices anytime with the convenient USB-A Port.

Battery Info

Battery Capacity: 2,764.8Wh (51.2V, 54Ah)
Battery Type: LiFePO4 (Lithium Iron Phosphate)
Life Cycles: 4,000+ Cycles to 80% Original Capacity

Output

USB-A: 12W Max., 5V / 2.4A

General

Net Weight: Approx. 29.5kg (65.04lbs)
Dimensions (L × W × H): 525 × 327 × 209mm (20.67 × 12.87 × 8.23in)
Charging Temperature: 0°C to 40°C (32°F to 104°F)
Discharging Temperature: -20°C to 40°C (-4°F to 104°F)
Storage Temperature:Up to 1 month: -20°C to 40°C (-4°F to 104°F)Up to 6 months: -20°C to 25°C (-4°F to 77°F)
Working Humidity: 5% to 95%RH
Charging Current:60A Max.(Current may decrease outside specified temperatures)
Discharging Current: 70A Max.
2 × Expansion Port: 58.4VDC Max., 90A Max.

Power Expansion for Every Situation

The B300K adapts to your life, whether you're safeguarding your home during outages or powering an off-grid adventure. Stack multiple B300K batteries, or mix and match with other BLUETTI batteries for a customized energy solution that ensures you're never caught without power, no matter where you are.

Great Compatibility for More Possibilities

The B300K seamlessly integrates with AC200L, AC200MAX, AC300, and AC500* power stations, giving you the flexibility to scale your energy setup as your needs grow. Whether you're prepping for more power at home or gearing up for your next adventure, the B300K has you covered.

P090D to P150D cable is required for connecting with AC500 and sold separately.

Built to Protect, Designed to Last

The B300K is designed to excel in safety and reliability. Featuring square LiFePO₄ batteries and cutting-edge AI-BMS technology, together with a robust aluminum casing, advanced wireless components, and efficient cooling fan ensure this battery stands the test of time, giving you a power source you can count on in any situation.

A Standalone Power Source, A Standout Performance

The B300K isn't just an add-on; it's also a versatile power hub. With a USB-A port, it's perfect for keeping your essentials like smartphones, tablets, or fans charged, whether you're ready to make an urgent call or message, eager to share beautiful moments with your friends, or try to stay cool while camping in a tent. Power is always within reach, wherever life takes you.

What's Included

B300K Expansion Battery
P090A Battery Expansion Cable (31.49in/800mm)
Warranty
Documentation

Free Delivery

Free Delivery for mainland UK

PLEASE NOTE:

Free shipping is by DPD and only for addresses on mainland UK.

All BT, Northern Ireland, Northern Scotland, Highlands BT / PH / IV / KW / AB / IM / Isles postcodes will incur an additional £20.00 charge for delivery.

Additional Postage Payable for Shipping to

Northern Ireland
Highlands
Northern Scotland
Scottish Isles
Isle of Man
Orkney
Shetland

Warranty

Covered with official 4 Years Warranty

Warranty Period

BLUETTI warrants that the product will be free from defect in workmanship and material to the original consumer purchaser.
The warranty period starts on the date of purchase by the original consumer purchaser,
For the product of portable power station, the warranty period varies from 24 months to 72 months.
For the product of home backup system, the warranty period varies from 48 months to 60 months.
For the product of solar panel and accessories as cable, charger etc, 12 months is provided for the warranty service.
No warranty for gifts product and Warranty period may vary by country subject to local laws and regulations.

Warranty Statement

Any defects in material, workmanship of your product will be covered after you provide any valid proof of purchase and information including but not limited to:
A purchased order number made through BLUETTI official stores.
Sales invoice or order confirmation email that clearly shows the description of the product, its price, and sales channel.

Note: The limited warranty is restricted to the country of purchase. The warranty will be invalid on the items once they are taken or shipped to other countries.

Exclusions of Warranty

Misused, abused, damaged by accident or damaged due to force majeure (e.g. lightning strikes, tornadoes, hurricanes, etc.);
Unauthorised modification, repair, dis-assembly or operation not in accordance with the official instructions or manuals;
Use for special application other than normal consumer use;
Any defect or damage caused by exposure to excessive heat, cold, liquids or other external causes;
Invalid proof of purchase;

Warranty period expired

The battery model on the warranty certificate does not match the actual item
Product wear and tear through the usage of time.