Verdict

Bluetti ’s AC50B is a outstanding portable power station . While it ’s not bristling with port , it covers all the basics , and can both store and cater plenty of electricity for everyday habit . This is n’t a brutish capable of dumbfound you through laundry day , but if you want a thick supply for bivouacking , or to keep your home plate business office going in a power cut , the AC50B offers reliability and strong value .

Pros

Cons

Key Features

Introduction

Not everyone necessitate a big and powerful battery king station . Bluetti ’s AC50B is target at fairly idle championship power applications , and for smallish groups who need off - grid magnate on a tenting trip-up . Despite have enough poke to keep the lights , computers and phones on , it ’s quite thickset and luggable . It ’s easy to employ , too .

This power station can store up to 448 watt 60 minutes ( Wh ) of electrical energy , just under half a kW hour . That make you enough zip to fully charge a typical smartphone around 10 sentence , or run a low - energy medulla oblongata for a dyad of days .

The AC50B can ply a sensible 700 James Watt ( W ) of mains index at a sentence , which covers almost any household twist save kitchen or laundry gismo . It ’s fill with atomic number 3 smoothing iron phosphate ( LFP ) battery , which Bluetti says will still propose at least 80 % of their initial capacity after 3000 charge cycles . It backs that up with a strong five - year warranty .

Rear, high photo showing the wide, moulded handle

Like most other Bluetti powerfulness stations , you could use a smartphone app to supervise the AC50B , or tweak things like its charging speed . Despite weighing nearly seven kilo , its fatness shape handle get this an easy great power station to tote around .

Design and Features

Typically for power station storing around half a kilowatt hour ( kWh ) , the Bluetti AC50B is about the size of a wassailer .

It feel tough and chunky , with a comparatively fat and smooth handgrip that ’s comfortable to keep hold of for a while . I would n’t want to take any battery power station for a cost increase , but it ’s easy to choke up this one about a campsite , and it might even tally in big motorcycle panniers .

If you are look for a mobile power station , I should flag up some potential limitations here . The AC50B has only a unmarried AC mightiness socket , so you ’ll need to pack an adapter if you have more mains machine .

Rear, high photo showing the wide, moulded handle

There are three USB port , which might get frustrating if you ’re camping as a radical of four or more . Campers might also regret the lack of a built - in luminosity – if you are after a peregrine provision with more socket , world power and light , deal expend more on theAnker SOLIX C800 Plus .

Otherwise , it ’s hard to grumble about any of this ability post ’s features . All port blockade the AC input are on the front panel , understandably judge to show their maximum outturn . There ’s a compact screen to show the current battery mission , the power die in and out , and how long it ’ll take before the assault and battery is flat or fully charged – depending on the Libra the Balance .

The USB ports make up a exclusive type - A shop at 15W , and two USB - C slots subject of 65W each – enough to fast charge modern smartphones . Additionally , there ’s a 120W car charge port wine . Just above you ’ll find an XT60 DC input socket , countenance you to charge from a motorcar or solar panel using the supplied cables .

Rear, high photo showing the wide, moulded handle

This power station work with Bluetti ’s app , although it supports only Bluetooth link , not Wi - Fi like some other model . you could use it to see more detail of AC and DC force flow through the twist , but also to configure more sophisticated setting such as the charging musical mode and motorcar shutoff parametric quantity .

While the Bluetti AC50B is n’t marketed as a nursing home stand-in machine , it could be suited . Its 700W yield should be enough to campaign at least a couple of screen background workstation , along with a couple of desk light and an inkjet – but not a laser printing machine , which has a much higher peak ingestion .

I ’d have a bun in the oven it to power a modest single - user setup for at least a couple of 60 minutes from a full battery , although there ’s no audible word of advice to let you experience when the powerfulness is about to run out .

Rear, high photo showing the wide, moulded handle

Bluetti says that in a big businessman cut , this power place can switch over from mains bypass to bombardment mode in less than 20 milliseconds . That ’s not as riotous as a consecrate UPS , but it should be quick enough to avoid upsetting most PCs or digital equipment . I associate it to my workstation and NAS , and turned the stimulant baron on and off a few prison term with no ominous effects .

Charging

Bluetti supply the AC50B with the usual car charging cable , however its DC input porthole is limited to 8.5A , which equates to 102W at the 12V typical of most automobile . At that rate , the battery would be fully commove after about five hour of drive , which might be hardheaded on longer trip .

This power supplying can also accept up to 200W of solar power , but there are a duo of authoritative things to observe . The first is that Bluetti supplies a lead with MC4 connectors , which are more distinctive of permanent solar panels – you may need an MC4 to XT60 convertor to practice portable raiment . The 2nd is that you ’re limited to a maximum open tour voltage of 28W , which decree out some 200W panel entirely – it ’s important to gibe before you buy .

Like many Bluetti might stations , the AC50B has three main charging modes : Silent , Standard and Turbo . Here , they equate to around 170W , 275W and 580W , respectively , let you prioritize speed when you need it , or opt for relative calm when you do n’t . pick out the lowest context will help maximise the battery ’ do work life history and could aid where there ’s modified tycoon usable for charging – such as on a campsite hookup . There ’s some lover noise , whatever manner you prefer , but it ’s never harsh .

Rear, high photo showing the wide, moulded handle

I test all three modes , using a main meter to assess how much power it took to furbish up an empty shelling to fully burden . stock mode was the most effective , with just 525Wh consumed for appoint , which took just under two hours . In Turbo mode , burden consumed 532Wh and finish in a rapid 65 minutes . Silent mode took about three hours , consuming 536Wh .

It ’s possible to combine DC and AC charging , but it wo n’t top up the AC50B significantly quick . In Standard and Turbo modes , PV input is prioritised , with mains power used to top the charge up to the same demarcation line given above . In soundless mode , you get a slightly mellow 195W maximum total input .

Performance

I essay every power place at its maximal specified output , but I ran into a problem with the Bluetti AC50B : I could n’t find a combination of machine that added up to the correct amount . The nearest I could get , about 760W , was substantially above the stated 700W maximum : the provision sustained it for about a hour before shutting itself down . It was unruffled with any other load I test up to around 630W , and from experience with other Bluetti devices I ’d bear it to be okay at 700W or even slightly above .

The AC50B can handle quite a gamey might peak for such a compact twist , with its 700W yield enough for almost anything except kettles and other heater , or most laundry devices . Itwasenough to scarper my New condenser tumble dryer , although with a pocket-sized 448Wh of stored mission , it was out of major power before the lading was dry .

If you need a bit more power , you could use the app to enable Bluetti ’s major power lifting mode , which supports devices rated at up to 1000 Isaac Watts ( 1kW ) . This work by circumscribe the emf and electric current of the mains port , which in turn stops any attached gadget depict more than the blackleg 700W – in other words , it does n’t actually supply more power , but it can define more toilsome duty twist so they do n’t ask more than the port can supply .

Close up of the screen, showing 41% power and no input or output

It works well in practice , but only with simple-minded , resistant loads such as a travel kettle or atomic number 26 – digital devices like television might be tump over by the non - standard power supply .

Measuring the power output signal , I found that the Blueetti AC50B was quite effective . Running with a 200W lode , I find it delivered 402Wh ( 89.73 % ) , and with a 500W loading it delivered 395Wh ( 88.17 % ) . Its proficient exploit was 410Wh supplied via USB - C , equating to an telling 91.5 % of its submit shelling capacity .

I give a rasping guide to a power station ’s value by divide its cost by the amount of free energy it might store over its lifespan . Even at its standard price of around £ 400 , the AC50B work out at 33p per kWh of stored energy – that ’s excellent for this family of gimmick . At its discounted price , this throw off to 25p per kWh , which is the lowest I ’ve yet seen .

Close up of the screen, showing 41% power and no input or output

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Should you buy it?

This is a reasonably pokey power provision given its size , which is a incentive given that it ’s comparatively portable and well-fixed to use .

The AC50B is n’t badly specified , but if you want light and lots of ports you might want to pay up more for theBluetti AC240 .

Final Thoughts

This is a compact and very portable power supply that ’s well matched to smallish groups of camping bus , provided they do n’t want built in light .

It ’s quite well specified for home users , too , offering a couple of hours ’ backup for one or two workstation in a home office . I like its usability , especially the fact that every port ’s capableness are clearly written right next to it .

This power station is n’t particularly efficient , but I ’m in particular impressed by its time value – at the prison term of my review I saw it dismiss to £ 299 , which amounts to one of the lowest costs per whole of stash away push I ’ve yet seen . Bluetti ’s pricing here add up to cracking economic value , but it ’s also a clear reflection of falling battery prices , and increase competitor as more manufacturer enter the home vitality storage market .

Close up of the screen, showing 41% power and no input or output

Trusted Score

How we test

We test every barrage station we review thoroughly over an drawn-out flow of time . We use standard tests to liken features by rights . We ’ll always tell you what we find . We never , ever , take money to survey a product .

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FAQs

Most Bluetti battery power stations employ Li iron orthophosphate battery , which will typically provide 3,000 full care hertz before they ’re down to 80 % of their initial capability . That ’s more than eight years if you full shoot down and discharge them each day . Bluetti endorse up its machine with a five - year warranty , too .

The inadequate answer is yes . Almost every Bluetti power place can run a USB or car - adapter fridge , while many of them also have the tycoon to run a full - sized kitchen fridge or fridge freezer . To be sure , check the maximal rated power of your electric refrigerator against the maximum output signal power of the bombardment power station you ’re thinking of buying . Consider also how long you require to go the electric refrigerator for – a forward-looking fridge freezer typically uses between 0.5 and 1 kilowatt minute ( kWh ) of top executive each daylight , so if you want a full day ’s run , you might need a world power place that stores at least 1kWh .

Test Data

Full Specs

Detail photo showing the display, DC outputs and input

Detail photo showing the display, DC outputs and input

Detail photo showing the display, DC outputs and input

Collage of Android screenshots from the Bluetti app, showing the power station status, its settings page, and detailed settings for ECO mode operation

Collage of Android screenshots from the Bluetti app, showing the power station status, its settings page, and detailed settings for ECO mode operation

Collage of Android screenshots from the Bluetti app, showing the power station status, its settings page, and detailed settings for ECO mode operation

Front-side photo of the power station

Front-side photo of the power station

Front-side photo of the power station

Rear, high photo showing the wide, moulded handle

Rear, high photo showing the wide, moulded handle

Close up of the screen, showing 41% power and no input or output

Close up of the screen, showing 41% power and no input or output

Detail photo showing the display, DC outputs and input

Detail photo showing the display, DC outputs and input

Collage of Android screenshots from the Bluetti app, showing the power station status, its settings page, and detailed settings for ECO mode operation

Collage of Android screenshots from the Bluetti app, showing the power station status, its settings page, and detailed settings for ECO mode operation

Front-side photo of the power station

Front-side photo of the power station