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OUPES · vehicle charger
OUPES 800W Alternator Charger
Charges the Mega 1, Mega 2, Mega 2 Pro, Mega 3 and Guardian 6000 V2 from a running vehicle at up to 800 W (12V/24V vehicle battery).
$250 at OUPES ($499 ), checked Oct 14, 2026 .
Mega 1 from empty 1.3 hdriving
Guardian 6000 V2 from empty 5.8 hdriving
Rated Wh ÷ the watts it delivers to that station (800 W), at full power the whole way: an ideal lower bound. Charging losses and the slowdown near full make it longer, and the engine has to be running.
From OUPES's published figures and our own arithmetic; we have not tested it ourselves.
Which stations it charges Installing it OUPES: "professional installation is strongly recommended"
OUPES also says: "The system also supports reverse charging, allowing the power station to recharge the vehicle battery if needed"
Follow OUPES's instructions for the cable, the fuse and where it connects; ask an installer if your vehicle's wiring is unfamiliar.
Specs OUPES 800W Alternator Charger: OUPES's figures Charging power 800 W Vehicle battery 12V/24V Weight 2.5 lb (1.1 kg) In the box, in the maker's words "800W Alternator Charger x1; Vehicle Battery Cable with Fuse (5m) x1; Portable Power Station Cable (1m) x 1; M4.2 Screw x6; M4 Bolt & Nut x4; M6 Bolt & Nut x4"
Where these figures come from OUPES product page : "Delivers Max. 800W power—8 times faster than traditional 100W car cigarette lighter chargers." · "This Alternator Charger is suitable for vehicles with a 12V or 24V starter battery (input 11–35V)"On the Mega 1: OUPES's page , "Mega 1 + 800W Alternator Charger" On the Mega 2: OUPES's page , "Mega 2 + 800W Alternator Charger" On the Mega 2 Pro: OUPES's page , "Mega 2 Pro + 800W Alternator Charger" On the Mega 3: OUPES's page , "Mega 3 + 800W Alternator Charger" On the Guardian 6000 V2: OUPES's page , "Guardian 6000 V2 + 800W Alternator Charger" Price and stock: OUPES's US store, checked Oct 14, 2026 . Next steps Your shortlist
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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
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