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Posted 16 May 2023

Anker Power Station 256Wh Portable Generator + Anker Carrying Case Bag (S Size) £229.99 @ Amazon / Sold and dispatched by Anker Direct UK

£228.99£299.9924% off
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CHalligan
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Update 1
Reduced to £228.99

EDIT: Now comes with a free carry case


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Long-Lasting Portable Power Station With a 10-Year Lifespan: With our proprietary long-lasting technology InfiniPower, combined with LiFePO4 batteries, ultra-durable electronic components, a smart temperature control system that monitors temperature up to 100 times per second, and impact-resistant structural design, Anker 521 PowerHouse is built to last over a decade, even with everyday use.
5-Year Full-Device Warranty: Instead of the average 2 years, Anker 521 Portable Power Station is designed to reliably power your devices every day for 10 years. Additionally, it offers a superior 5-year full-device warranty for a guaranteed, worry-free experience.
All the Ports You Need: Time to get rid of bulky adapters because charging your laptop at fast speeds only requires a single cable. See the power station recharge itself and give a high-speed charge to a wide range of devices thanks to 2 USB-A ports, an AC port, a USB-C port, and a car outlet
Huge 256Wh Capacity: The high capacity portable power station pumps out 256Wh of power—the perfect companion to charge your devices and small appliances during a weekend trip.
What You Get: Anker 521 Portable Power Station (PowerHouse 256Wh), DC adapter, car charging cable, welcome guide, our worry-free 5-year warranty, and friendly customer service.
Amazon More details at

Community Updates
Edited by CHalligan, 16 July 2023
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87 Comments

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  1. BrianButterfield's avatar
    I would rather go with lead acid if you're carrying it in a vehicle.
    da_murphster's avatar
    really? Are you sure you are not thinking about lithium?

    LiFePO4 seems to be a step forward in pretty much every way from lead acid.

    sealed, lighter, better power density, better discharge rate etc etc
  2. ketsunoanna's avatar
    Why do they state WH but not AH, I have three leisure batteries ( 250ah combined) to charge ebike and charge laptop etc. The capacity of this is tiny, also what is the max load of inbuilt inverter ? Only useful for lights, phone and maybe laptop
    mattsmith999's avatar
    It can output different voltages so the Amp Hours would be different for each one. Watts is consistent, regardless of voltage. It’s easy to calculate:

    Wh / Volts = Ah
  3. HereKittyKitty's avatar
    I bought this and ended-up returning it. Solid construction and some nice features but there are a few niggles (Google it) that I wasn't willing to put up with. Also, no prepaid return labels so you've gotta pay yourself and they refund you in Amazon credit.

    I think my expectations were just a bit high. I'd be happy to pay ~£80 for it
    samArsenal's avatar
    What a useless comment, please don’t comment next time.
  4. cbflazaro's avatar
    Called 521 but only has 250wh capacity.

    These are handy to power a mini fridge on a camping day etc for a handful of hours. But many people buy these + overpriced solar panels thinking it's gonna save them money on their bills when it would need to work flawlessly with panels perfectly mounted for 50+ years to pay itself (edited)
  5. Schizophonic's avatar
    Slightly off topic but wondered if anyone knows? I'm away for a running event for 24 hours which involves camping overnight. There is no power at the camp site. Wondered if there is such of a service where I can rent one one of these massive power banks?
    joedastudd's avatar
    That are you planning on running off one of these?
    For just a single night you'd more then likely be better off buying a power bank.

    Things like these are better suited for people camping for a week or so or as an emergency backup at home.
  6. luwpergwin's avatar
    I Agree. I got this one off Amazon November last year, the 320wh version. I paid £212 back then and remember it being the most Wh per £ to buy at the time. Its now got a £18 off voucher bringing it down to £194.

    I have it ready to power a diesel heater in case of power out and have already ran it for 2 hrs and only used 1 bar of battery. Basically so long as it would run it through the night so its warm when I can get up and light a fire if the power is still out it would serve it's purpose. That was when we were heading into winter and there was talk of blackouts. Cant go wrong at this price. (edited)
  7. wotguvnotmeguv's avatar
    I’ve got two of the equivalent Jackery power stations and a couple of no-name £80 100w things - they’re all brilliant. The second Jackery (an Explorer 240) was refurbished and cost £156 from their official site last month - first unit they sent out was dead but the replacement is perfect.

    We had a six-hour power cut recently and plugged the modem and router into one of the small units, then ran the TV off the Jackery. When daylight ran out we had various lamps plugged into spare sockets on extension leads with everything else.

    The whole household didn’t miss a beat and we didn’t notice when the power came back on because at the time it didn’t actually matter.

    Alongside an emergency data SIM I have to hand, they also make wfh seamless when there are power cuts, which is massively reassuring. 
  8. Go.Jets's avatar
    These are well known and very popular in my town, I was carrying one of these yesterday and a complete stranger shouted “Anker” at me from over the road. Praise indeed!
    blister69's avatar
    That's brightened my day and made me chuckle. Thank you.
  9. OB1's avatar
    This has a tiny capacity, like a fifth the watt hours of even a £100 lead acid leasure battery. Am I missing something? Seems very expensive for that small amount of energy storage. (edited)
    Flambo's avatar
    I reckon, you’re missing a lot.

    The portable power station (PPS) comes with a charger, battery management system (BMS), DC-DC converters (12V and 5V USB) and 240V inverter, all built in a neat little package the size of a decently packed lunch box (my kind of lunch box, tbh).

    A lead acid leisure battery, well, comes with just a battery. Even the battery alone, say a typical £100 110A 12V job, is about 4 times the size and weight of this PPS. By the time you’ve added the charger, BMS, DC-DC converters and inverter you’re looking at something that’s going to cost substantially more, takes up way more space, and also if you’ve ever done a camper conversion you’ll know the nest of cables and connectors.

    While there’s overlap of application between the PPS and a leisure battery, I reckon there’s more difference of application than similarly.
  10. StevenW007's avatar
    Anyone got any experience of the choice between this one and the ecoflow river 2?
    SurfX's avatar
    The river 2 (and similar bluetti) stations have extra features over this basic unit. I like the bluetti ones myself.

    Such as
    Different charging options (mains, car, usb c, solar etc..)
    Charge from more than once source at once
    Pass through charging (as in designed to charge and use at the same time without killing the battery)
    Higher wattage support, where they will power things that need more than the max wattage by reducing the voltage/current such as a fire or cooker
    UPS features etc.. (edited)
  11. deleted48909's avatar
    200W.....useless.

    You can get one the the 700w Aldi inverter generators for £80 less.
    jamesdew's avatar
    Doesn't meet your needs so has no use for anyone......
  12. XNET's avatar
    Wait for the sodium batteries, they are promised to hold more capacity for the same weight
    Abc_defg100's avatar
    They aren't even commercially viable yet.

    May as well be waiting for.. *checks periodic table*.. francium batteries if you don't care if these things exist right now? (edited)
  13. UKBFG's avatar
    These things have their uses, but the descriptions are funny. "Huge 256Wh Capacity". That's 10p's worth of electricity.
    gobble_bobble's avatar
    You've missed the point of course
  14. ColdFusion's avatar
    It's 20,000mAh if anyone is curious.
    omgpleasespamme's avatar
    No it's not. If you were to compare this to a phone power bank it would be 69,000mAh.
  15. SurfX's avatar
    With this you are going for more features over just capacity.

    I'd probably go with the Blueetti EB3A, which is the same price (~£270). I have one of these and it has some nice tricks like working as a UPS.

    You can also just buy a cheaper higher capacity LiFePO4 station and chain them together (so the cheap one charges the unit while it is in use). CTECHi do some good basic units (£200 or less) with higher capacity per £ but they lack the extra features you get on these other units. (edited)
  16. mangetout-mangetout's avatar
    Ive just listed one on eBay for a bit less never used
    TheBestFreebieisHumour's avatar
    So I guess you’re suggesting someone buy yours then? I will take a look if you tell me why your username has an Echo…
  17. adam.yacub's avatar
    How many times could this charge a typical laptop, with say 50wh battery?
    terriq's avatar
    4 times
  18. moneymuncher's avatar
    Does anyone know if any of these support input for charging via USB-C?    I’m looking to charge from a EV USB port. 
    omgpleasespamme's avatar
    What's the output of the USB port? Out the box it's more likely to have a 12V cigerette charging cable than it is a USB cable for charging. That being said it wouldn't be hard to create or even maybe buy the cable you would need pretty easily.
  19. jonah.perkins's avatar
    If I was looking to charge my ebike for the journey home after a night of camping would this be acceptable or would I need something bigger? (52v 14ah bike battery)
    jonah.perkins's avatar
    I'd also be looking into getting some if possible to change from solar for much much longer trips in the future what kind of power should I be looking into?
  20. crack_shot's avatar
    We had a power cut at 10pm last week. The whole street went out.
    haven't had a situation like that for decades, but not surprising considering the current people in charge

    Pretty damn unnerving to see everything instantly go dark. Luckily phones kept us going for the 2 hours we had to make do without any electric.

    We bought candles from last year when the news was saying power outages would be more common, but a little power station like this would have come in really handy. You don't need it until you need it and when you do, you really pat yourself on the back for forward thinking
  21. CampGareth's avatar
    Does anyone know of one of these style devices without the AC port? I just need USB C PD out, a solar panel input and a 200-500Wh capacity. I'm hoping that dropping AC output will reduce the price a bit.
  22. JakeSully's avatar
    £210 with a free carry case via Anker with BLC (edited)
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