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The BP3800 is a 3,840Wh add-on battery for the Anker SOLIX F3800 and F3800 Plus power stations. It uses LFP chemistry rated for 3,000 cycles to at least 80% capacity, which Anker frames as a 10-year lifespan. Stack up to six on one F3800 to reach 26,880Wh, or pair two stations and twelve batteries for roughly 53.8kWh. It cannot run on its own, so it only makes sense for F3800 owners who want longer backup or off-grid runtime. Against rivals, few home-backup batteries scale this far on a single station, but the ecosystem lock-in is the trade-off.
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Lowest price we've seen: $1,799.99 on Nov 9 at Best Buy. Tracked across 9 stores since Nov 9.
Owner feedback on the BP3800 is limited, but F3800 owners who added one describe noticeably longer runtime during outages and simple cable-and-app setup. Complaints center on weight and the fact that it only works with the F3800 line.
Extend Your Anker SOLIX F3800 Or F3800 Plus Into A Home Backup Power Beast With The BP3800 Expansion Battery
Imagine this: a blackout rolls in, plunging your world into darkness. Your fridge whimpers, your phone begs for juice, and the thought of scrambling for candles makes you sigh. But not today, not with the SOLIX BP3800 Expansion Battery strapped to your SOLIX F3800 or SOLIX F3800 Plus .
This bad boy adds a whopping 3.84kWh to your arsenal, bringing your total capacity to a mind-blowing 7.68kWh. That's enough to keep your essentials humming for hours, not just minutes. Lights? On. Fridge stocked? Check. Netflix binge-watching marathon? Bring it. The BP3800 turns your F3800 into a blackout-busting superhero.
Whether you're living on the road or experiencing a power outage at home, adding this expansion battery to your power station will have you covered for the long-term.
Anker SOLIX BP3800 Expansion Battery Features
Keep Adding Batteries to Reach 26.9kWh Power Capacity
The BP3800 is like the ultimate LEGO block for your F3800 or F3800 Plus.
Need more juice? Stack up to six of these bad boys for a jaw-dropping 26.9kWh of pure, portable power. That's enough to run your entire house for days, even powering high-wattage appliances like washing machines and air conditioners.
You're not just surviving anymore, you're living large, off the grid.
Charge Your RV or Your EV
With more batteries you're giving yourself more juice to not only power your home but also your RV - or even your EV!
Frequently-Asked Questions
How do I turn off Anker SOLIX BP3800 Expansion Battery?
Press the On/Off Button for 2 seconds to power the expansion battery on or off.
Which power stations are compatible with Anker SOLIX BP3800 Expansion Battery?
The Anker SOLIX F3800 and SOLIX F3800 Plus power stations are compatible with the expansion battery.
How many Anker SOLIX BP3800 Expansion Batteries can be connected to one Anker SOLIX F3800 or F3800 Plus?
Each Anker SOLIX F3800 and SOLIX F3800 Plus can connect up to 6 expansion batteries.
Can I use Anker SOLIX BP3800 Expansion Battery separately?
The expansion battery cannot be used separately. It must be connected to the power station to charge or discharge and to monitor its status via the Anker app.
When charging a device, will the power in the external battery be used first?
When Anker SOLIX F3800 or F3800 Plus is connected to expansion batteries, the power of all devices will automatically balance. This ensures stable battery health. It's normal for the power levels to change in Anker SOLIX F3800 and expansion batteries, too.
What's Included
• 1 x Anker SOLIX BP3800 Expansion Battery
