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BLUETTI · extra battery
BLUETTI B230 2,048 Wh of LiFePO4, 48 lb, for the AC70.
$999 at BLUETTI ($1,299 ), sold out when checked Oct 14, 2026 : $0.49 for each watt-hour it adds .
Each watt-hour it adds costs at least as much as the AC70's own ($0.47 on the AC70 ), so a second station, which also adds outlets and output, can be the better buy. On the AC70 it works in power bank mode: it recharges the station through an input rather than joining its battery.
From BLUETTI's published figures and our own arithmetic; we have not tested it ourselves.
Which stations take it The most one station takes is BLUETTI's figure; a dash where its page gives none. Prices are both makers' prices added up, before cables.
BLUETTI B230 on each station Station Most per station With one With the most Station and one battery BLUETTI AC70 768 Wh on its own; in power bank mode it recharges the station – 2,816 Wh – $1,358
Specs BLUETTI B230: BLUETTI's figures Capacity 2,048 Wh Cells LiFePO4 Weight 48 lb (21.8 kg) Cable, in the maker's words not named on the page
Where these figures come from BLUETTI product page : "B230 equipped with 2048Wh capacity." · "48lbs (21.8kg)" · "LiFePO4 (Lithium Iron Phosphate)"On the AC70: BLUETTI's page , "AC70 supports capacity expansion with B80 / B230 / B300 expansion batteries in Power Bank Mode." Price and stock: BLUETTI's US store, sold out when checked Oct 14, 2026 . Next steps Your shortlist
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Aferiy P280 Aferiy P300 Aferiy P310 Allpowers R1500 Allpowers R3500 Allpowers R4000 Allpowers S2000 Pro Anker SOLIX C1000 Anker SOLIX C1000 Gen 2 Anker SOLIX C200 DC Anker SOLIX C2000 Gen 2 Anker SOLIX C300 Anker SOLIX C300 DC Anker SOLIX C300X Anker SOLIX F2600 Anker SOLIX F3000 Anker SOLIX F3800 Anker SOLIX F3800 Plus BLUETTI AC180 BLUETTI AC180P BLUETTI AC200L BLUETTI AC50B BLUETTI AC70 BLUETTI Apex 300 BLUETTI Elite 100 mini BLUETTI Elite 100 V2 BLUETTI Elite 200 V2 BLUETTI Elite 30 V2 BLUETTI Elite 300 BLUETTI Elite 400 Dabbsson 1000L Dabbsson 2000L Dabbsson 3000L Dabbsson 300E Dabbsson 600L Dabbsson DBS1000 Pro Dabbsson DBS1300 Dabbsson DBS2100 Pro Dabbsson DBS2300 Plus DJI Power 1000 DJI Power 2000 DJI Power 500 EcoFlow DELTA 2 Max EcoFlow DELTA 3 EcoFlow DELTA 3 Classic EcoFlow DELTA 3 Max EcoFlow DELTA 3 Max Plus EcoFlow DELTA 3 Plus EcoFlow DELTA 3 Ultra EcoFlow DELTA 3 Ultra Plus EcoFlow DELTA Pro EcoFlow DELTA Pro 3 EcoFlow DELTA Pro Ultra EcoFlow RIVER 2 (240) EcoFlow RIVER 2 Max 500 EcoFlow RIVER 2 Pro EcoFlow RIVER 3 Plus EcoFlow RIVER mini Wireless EcoFlow RIVER (original) EcoFlow TRAIL 200 DC EcoFlow TRAIL 300 DC Goal Zero Yeti 1000 Goal Zero Yeti 1500 Goal Zero Yeti 300 Goal Zero Yeti 500 Goal Zero Yeti 700 Goal Zero Yeti PRO 4000 Jackery Explorer 100 Plus Jackery Explorer 1000 Plus Jackery Explorer 1000 v2 Jackery Explorer 1500 Ultra Jackery Explorer 1500 v2 Jackery Explorer 2000 v2 Jackery Explorer 240 v2 Jackery Explorer 300 Jackery Explorer 300 v2 Jackery Explorer 300D Jackery Explorer 5000 Plus Jackery Explorer 600 v2 Jackery HomePower 1000 Plus v2 Jackery HomePower 1000 v2 Jackery HomePower 2000 Plus v2 Jackery HomePower 3000 Jackery HomePower 3600 Plus Jackery HomePower 3600 Pro Max Mango Power E OUPES Exodus 350 OUPES Exodus 700 OUPES Guardian 6000 V2 OUPES Mega 1 OUPES Mega 2 OUPES Mega 2 Pro OUPES Mega 3 Pecron E1000LFP Pecron E1500LFP Pecron E2400LFP Pecron E300LFP Pecron E3600LFP Pecron E3800LFP Pecron E500LFP Pecron F1000LFP Pecron 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Differences only Same AC load (W)
Runtime is rated capacity × 0.85 ÷ watts. Check startup draw and connections separately. Prices are the maker's, with the day they were checked. Open this comparison as a page you can share
Pick a model in each box above.
