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Anker Solix B6000 Battery Module — 6 kWh LiFePO4 Expansion for E10 Backup Systems

Expand Your Grid-Independent Backup to 24 kWh

6,144 Wh per module — Reliable LiFePO4 capacity for serious backup
10 kW turbo output — Run multiple heavy appliances simultaneously
NEMA 4X rated — Weatherproof enclosure rated for outdoor install
Stack up to 24 kWh — Expand your E10 system with up to four modules
10-year expected lifespan — LiFePO4 chemistry built for long-term durability
  • FREE System Design Consultation -- Our engineers size your system for your actual consumption — no guesswork
  • FREE Shipping -- Ships free on all orders, including LTL freight
  • Compatibility Guarantee -- Components pre-vetted to work together — we stand behind the architecture

Price range: $2,193.95 through $8,073.95

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In the box

  • 1 x B6000 Smart Extra Battery Module
Anker Solix | B6000 Battery Module for E10 Backup System | 6–24kWh Expandable LiFePO4 | 10 kW Turbo Output | Smart Grid & Storm-Guard
Anker Solix B6000 Battery Module — 6 kWh LiFePO4 Expansion for E10 Backup Systems
$2,193.95 – $8,073.95Price range: $2,193.95 through $8,073.95

Expand Your Grid-Independent Backup to 24 kWh

The Anker Solix B6000 adds 6144 Wh of LiFePO4 capacity to your E10 backup system, scaling from 6 kWh up to 24 kWh with up to four modules. Its NEMA 4X weatherproof enclosure handles temperatures from -4°F to 131°F, making it field-tested for demanding off-grid installations. With 10 kW turbo output, you can run heavy-duty appliances simultaneously without compromise. Floor or wall mounted, this built-to-survive module delivers a 10-year lifespan backed by a 5-year warranty.

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6–24 kWh Expandable
NEMA 4X Weatherproof
10 kW Turbo Output
LiFePO4 Chemistry
6144 Wh
Usable Capacity
10 kW
Turbo Output
130 lb
Module Weight
Real Backup When the Grid Goes Dark

Real Backup When the Grid Goes Dark

Most homeowners discover too late that their grid-tied solar system shuts down the moment utility power fails. The B6000 module eliminates that vulnerability by adding 6,144 Wh of LiFePO4 storage to your Anker Solix E10 — power that stays on whether the grid is up or not. At Off Grid Vault, every component we carry is vetted for real-world compatibility, so this module integrates directly into your E10 architecture without guesswork. With 8,000 W discharge power and a 10 kW turbo output, it runs your refrigerator, well pump, and lights through multi-day outages. This is not a band-aid — it is a self-reliant power reserve.

Engineered for Extreme Conditions

Engineered for Extreme Conditions

The B6000 is housed in a NEMA 4X (IP66) metal enclosure — a weatherproof shell rated for floor or wall mounting indoors and out. It operates reliably from -4°F to 131°F, meaning this built-to-survive unit performs through winter cold snaps and summer heat waves without degradation. At 130 lb and 26.4" x 12.7" x 11.1", it is substantial but manageable for permanent installation in a garage, utility room, or covered exterior location. The LiFePO4 chemistry delivers a 10-year expected lifespan, holding capacity through thousands of charge cycles. This is field-tested storage designed for homeowners who need their backup to work the day a storm hits — and every day after.

Scale Your Storage Without Starting Over

Scale Your Storage Without Starting Over

One B6000 module adds 6,144 Wh to your E10 system. Add a second, third, or fourth module and you reach 12, 18, or 24 kWh total — enough for multi-day autonomy depending on your household consumption. The 380-450 Vdc voltage range and 6,000 W charge rate mean your system refills quickly when the sun returns or utility power is restored. You are not locked into a fixed capacity. Start with what you need today, add modules as your load grows or your solar array expands. Off Grid Vault offers free system design consultation to help you size the right configuration for your home.

Compatibility Check

Verify these conditions before adding the B6000 to your E10 system.

  • System voltage must fall within 380–450 Vdc range
  • Mounting surface must support a 130 lb module
  • Available installation space of at least 26.4" × 11.1"

Where This Module Fits

Purpose-built for homeowners scaling their backup power infrastructure.

Whole-home backup during extended grid outages
Storm-prone regions needing reliable reserve power
Homesteads adding scalable battery storage

Full specifications

At a glance

Dimensions
26.4" x 12.7" x 11.1"
Power
380‑450 Vdc
Warranty
5 Years
Full specifications10 data points across 4 categories

Dimensions

Dimensions26.4" x 12.7" x 11.1"
Weight130 lb
Installation OptionFloor or Wall Mounting

Power & Performance

Battery TypeLi-ion (LFP)
Capacity6144 Wh
Voltage Range380‑450 Vdc
Charge/Discharge Power6000 W / 8000 W

Materials

Enclosure TypeNEMA 4X (IP66)

Compliance & Warranty

Operating Temperature-4°F to 131°F
Warranty5 Years

The Off Grid Vault Promise

Every product we carry is vetted for real-world performance. If it doesn't meet our standards, it doesn't make the cut.

Free ShippingShips free on all orders, including LTL freight for large battery modules.
30-Day Performance GuaranteeUninstalled returns accepted within 30 days in original packaging if it doesn't perform as specified.
Authorized Dealer SupportWarranty claims handled directly through us — no ticket queues, no runaround.
★★★★★
“I added two B6000 modules to my E10 after a five-day outage in January cost us over a grand in lost food and a hotel stay. Installation was straightforward — wall-mounted in my garage, connected to the E10 in under two hours. We ran our fridge, well pump, furnace blower, and lights the whole time with solar topping off during the day. My neighbor's grid-tied system sat dead the entire week.”
F
First L.Boise, ID

The B6000 module adds up to 6 kWh of reliable backup power, perfect for heavy‑duty home appliances during outages. Its rugged metal enclosure and IP66 rating keep it safe in any weather. With a 10 kW turbo output, you can run multiple devices simultaneously. Enjoy a 10‑year lifespan and 5‑year warranty for peace of mind.

Battery Type Li-ion (LFP)
Capacity 6144 Wh
Voltage Range 380‑450 Vdc
Charge/Discharge Power 6000 W / 8000 W
Installation Option Floor or Wall Mounting
Dimensions 26.4″ x 12.7″ x 11.1″
Weight 130 lb
Enclosure Type NEMA 4X (IP66)
Operating Temperature -4°F to 131°F
Warranty 5 Years

Additional information

Options

1 x Smart Extra Battery, 2 x Smart Extra Batteries, 3 x Smart Extra Batteries, 4 x Smart Extra Batteries

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Frequently Asked Questions

If a four-day outage costs $800 in spoiled food and hotel stays, the math is straightforward. One B6000 module pays for itself in prevented outage costs after two to three events. Pair it with solar charging and you eliminate daily grid consumption during those windows. This is a calculated investment in grid-independent resilience with a 10-year expected lifespan and 5-year warranty backing it.
Off Grid Vault is an authorized dealer. Warranty claims go through us directly — not through a third-party ticket queue or a marketplace seller who disappears after shipment. Anker backs the B6000 with a 5-year warranty, and we handle the process on your behalf. If a module does not perform as specified within that window, we make it right. That is the difference between buying from a specialist retailer and pulling a battery off a generic marketplace listing.
The B6000 is designed specifically as a smart extra battery for the Anker Solix E10 backup system. It communicates directly with the E10's inverter and charge controller — no external BMS adapter or protocol converter required. If you already own an E10, this module plugs into your existing architecture. If you are building a system from scratch, contact us for a free system design consultation. Our engineers will confirm the exact module count and configuration for your household consumption and solar input.
LiFePO4 — lithium iron phosphate — is not the same as the NMC lithium-ion cells found in portable power stations. LiFePO4 delivers significantly longer cycle life, better thermal stability, and safer operation under stress. The B6000 holds capacity through a 10-year expected lifespan, whereas typical NMC cells degrade noticeably within three to five years. Combined with the NEMA 4X enclosure and -4°F to 131°F operating range, this module is engineered for permanent installation — not occasional camping use.
The B6000 supports floor or wall mounting and connects to your E10 system through its designed interface. If you are comfortable working with high-voltage DC systems — this module operates at 380-450 Vdc — and follow Anker's installation manual, self-installation is feasible for experienced DIYers. If you prefer professional installation, any licensed electrician familiar with battery backup systems can handle it. We recommend scheduling installation before storm season so your system is ready when you need it.
That depends on your daily consumption and how many days of autonomy you want. A typical home running 20-25 kWh/day would need three to four B6000 modules for one full day of backup without solar input. With solar charging during daylight hours, two modules may provide multi-day resilience. Rather than guess, take advantage of our free system design consultation. Tell us your load profile, appliance list, and solar array size — we will specify the exact module count for your situation.
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The Off Grid Vault Promise

Every product we carry is vetted for real-world performance. If it doesn't meet our standards, it doesn't make the cut.

Free Shipping Ships free on all orders, including LTL freight for large battery modules.
30-Day Performance Guarantee Uninstalled returns accepted within 30 days in original packaging if it doesn't perform as specified.
Authorized Dealer Support Warranty claims handled directly through us — no ticket queues, no runaround.

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About anker Lithium Battery

anker is a trusted manufacturer of premium lithium battery. OffGridVault is an authorized dealer offering the full anker lineup with free delivery, price match guarantee, and expert support.

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