Categories: Technology

Upgrade Your Home Backup System With BLUETTI B300K Best-Value Expansion Battery

As power outages occur more frequently and last longer, you might be thinking about upgrading your home backup system. But buying a brand-new generator can be pricey. Is there a middle ground to boost your backup power without breaking the bank?

Absolutely. If you’re familiar with solar generators, you’ve probably heard of BLUETTI, a leading name in portable energy storage and solar solutions. As a technology pioneer in clean energy, BLUETTI was the first to introduce expansion batteries. Its modular generators and expansion batteries allow you to customize or expand your power setup to your needs.

BLUETTI has already rolled out several expansion batteries, including the 2,048Wh B230, 3,072Wh B300, the self-heating B300S, and the water-resistant B80 (806Wh) and B210 (2,150Wh). Now, BLUETTI has taken flexibility to a new level with the B300K expansion battery.

IMAGE: BLUETTI

BLUETTI B300K Expansion Battery Specifications

Capacity:8Wh
Battery Type: LiFePO₄ (4,000+ cycles to 80%)
Weight: 65 lbs /29.5 kg
Dimensions(L*W*D): 525*327*209mm
Outputs: 1x USB-A: 12W, 5V/2.4A
Connecting Cable: P909A cable, or P090D to P150D cable

BLUETTI B300K Expansion Battery: Compact, Flexible, and Durable

The B300K expansion battery gives you more power without the extra weight. At 22% lighter than previous models, it’s easy to carry but still packs a punch.

The Best Power Bundle For Home Backup Or RVing: BLUETTI AC300 + B300K

If you’re looking for a complete backup power solution, the AC300 + B300K bundle is an excellent choice. This setup offers 3,000W of power with a flexible capacity starting from 2,076Wh, and you can expand it as needed. It’s perfect for home backup or off-grid RV living, capable of powering essential appliances like fridges, freezers, air fryers, coffee makers, TVs, and lights. With up to 2,400W solar charging, you won’t have to worry about running out of power anytime.

IMAGE: BLUETTI

Works Seamlessly With Most BLUETTI Models

The B300K is compatible with a wide range of BLUETTI portable power stations, including the AC200L, AC200MAX, AC300, and AC500. This means you can effortlessly scale your BLUETTI energy setup as your needs evolve.

For example, pairing the AC200MAX with two B300K batteries boosts its capacity from 2,048Wh to an impressive 7,577.6Wh. You’ll have plenty of power for extended outages or off-grid adventures. Noted that A P090D to P150D cable is required for connecting with AC500 and sold separately.

Mix Connection With Other Expansion Batteries

The B300K’s compatibility with other BLUETTI expansion batteries, like the B210, B230, B300 and B300S, offers even more flexibility. You can mix and match batteries to create a power solution that’s tailored to your exact needs.

For instance, the AC500 can be paired with one B300, two B300K, and one B300S battery to build a 11,673.6Wh power system. Similarly, the AC300 can combine two B300K and two B300 batteries for the same massive capacity.

Built To Last For Over 10 Years

Safety and durability are always top priorities for BLUETTI. The B300K uses advanced square LiFePO₄ batteries, offering over 4,000 life cycles, which translates to more than 10 years of reliable use with daily cycling. Advanced AI-powered BMS(Battery Management System), a cooling fan, and a reinforced internal structure ensure optimal efficiency and stability, making this a battery you can trust in any situation.

IMAGE: BLUETTI

Fast Recharging With AC300 Or AC500

Need to recharge quickly? When paired with the AC300 or AC500, the B300K can charge up to 80% in just 45 minutes, so you can get back to what matters without significant downtime.

Don’t Miss These Incredible Deals

Until September 28th, Bluetti is offering a limited-time early bird offer on this powerful B300K Expansion Battery and its combos, don’t miss out on this:

B300K: Use the exclusive code B300KBR to purchase the B300K for $1,043 on Bluetti Official
AC300 + B300K: Use the exclusive code BITREBELS to get the AC300 + B300K Combo for $1,747 on Bluetti Official
AC500 + B300K x2: Use the exclusive code BITREBELS to secure the AC500 + 2*B300K Combo for $3,035 on Bluetti Official

Upgrading your backup power system doesn’t have to be expensive. With BLUETTI’s expansion batteries, you get more power at a lower price. Whether you need backup power for home use or off-grid adventures, the B300K and other BLUETTI batteries offer a reliable, cost-effective solution. Don’t miss out on these deals—secure your energy future today with BLUETTI.