Bluetti Home Battery Backup

Bluetti Battery Backups for Homes: How to Build the Right System

Battery backups for homes do one job: keep the fridge, furnace blower, well pump, router and lights running when the grid drops. Bluetti's approach is modular. You start with a power station or a 48V battery module, then add expansion batteries as your budget and outage history dictate. Add panels later and the same hardware becomes a solar battery backup for home use that refills itself during a multi-day event.

This collection holds 18 Bluetti products: the Apex 300 and Elite 200 V2 stations, B300K, B500K and B4810 battery modules, and complete AC300, AC500 and EP900 packages. Prices start at $899 for the Elite 200 V2 and reach $9,490 for the EP900 + B500 9,000W system.

How to choose a Bluetti home backup system

• Continuous watts. List everything that could run at once. A fridge, a gas furnace blower and a microwave together stay under 2,500W, which the Bluetti Elite 200 V2 (2,600W, 2,073.6Wh) handles, with a 3,900W lifting mode for kettles and hair dryers. A well pump or a 240V appliance pushes you to the Bluetti Apex 300 (3,840W, 2,764.8Wh), which runs 120V and 240V loads at the same time.
• Stored energy. A typical fridge plus lights and internet uses 1,500 to 2,500Wh per day. The Apex 300 base unit covers roughly one day; each Bluetti B500K Expansion Battery (5,120Wh) adds two more. The Apex 300 scales to 58kWh and 11.52kW with add-on batteries.
• Switchover time. The Apex 300 switches to battery in 0ms, so desktop computers and network gear do not reboot. If you plan to hardwire an AC500, the sold-out AC500 + B300K packages pair with Bluetti's home integration kit.
• Battery format. Portable expansion packs like the Bluetti B300K (2,764.8Wh, 48V) sit next to the station. The Bluetti B4810 51.2V 100Ah (5,120Wh) is a rack-style module for a permanent 48V install, rated for 6,000 cycles with self-heating for cold garages.

Popular picks in this collection

Sizing tips

• Use the Solar Kit Calculator with your appliance list and ZIP code. It returns battery, inverter and panel sizes based on local sun hours, which matters if you want home battery backup with solar rather than wall charging only.
• Count the longest outage you have actually had, not the average. Two winter days without power means at least 4,000Wh of usable storage for a fridge, furnace blower and lights.
• Check compatibility before buying expansion packs. The B500K works with Apex 300, AC300, AC500, AC200L and AC200MAX; the Elite 200 V2 takes B80, B230 or B300 packs instead.
• Keep the station above freezing or choose the B4810, which heats itself before charging.
• Recharge fast between outages: the Elite 200 V2 reaches 80% in about 1.1 hours from the wall.

Frequently asked questions

What is the best solar battery backup system for home use in this range? For most houses it is the Apex 300 with one or two B500K packs and a panel array added later. You get 3,840W continuous, 240V capability and up to 58kWh of storage without replacing the core unit.

Can I plug a Bluetti home backup into my electrical panel? The AC500 has a dedicated home integration kit for panel connection, and the Apex 300 is built for whole-home expansion. A licensed electrician should install any transfer switch or sub panel.

How long does a 5,120Wh battery run a refrigerator? A modern fridge draws 1,000 to 1,500Wh per day, so one B500K or B4810 covers three to five days of fridge-only use, less if you add lights, a modem and phone charging.

Every Bluetti unit ships free to the mainland US from brand partner warehouses, usually within a few business days, with 30-day returns. If you are unsure whether the Elite 200 V2 or the Apex 300 fits your outage plan, call us and we will size a solar backup battery for home use with you.