I tested a solid-state portable battery for a week – now lithium-ion feels old school

BMX SolidSafe 5K energy financial institution

ZDNET’s key takeaways

• It is a 5,000mAh wi-fi energy financial institution powered by a solid-state cells
• Strong-state cells are far much less prone to catch on fireplace than lithium-ion batteries
• At $80, this can be a very costly unit, so it’s centered on those that worth security.

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I’ve examined numerous energy banks over time, they usually have all made use of lithium-ion batteries. These have the benefit of being low-cost and have excessive power density, however they’ll, if provoked an excessive amount of, burst into flames. Evidently, that is not factor.

That is the place solid-state cells come into play. These ditch the flammable electrolyte resolution present in lithium-ion batteries for a non-flammable stable.  

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That is what BMX has executed with the SolidSafe 5K energy financial institution. 

This 5,000mAh/19Wh wi-fi charging energy financial institution is completely designed to suit the iPhone. It measures 4.0 x 2.7 x 0.4 in/102.7 x 68 x 11 mm and weighs 4.8 oz/137 g. The magnetic wi-fi charger is constructed to Qi2 requirements, which implies that it could actually output as much as 15W of energy for a quick cost. 

The magnets are additionally robust sufficient to securely maintain the charger to the cellphone when in use.

There’s additionally a single USB-C port that handles charging (most output of as much as 20W, most enter of as much as 15W), and it could actually run alongside the wi-fi charging pad at as much as 15W. The facility financial institution additionally helps pass-through charging, so it may be charged through USB-C whereas it is wirelessly charging a cellphone. I like this function as a result of I can use a single-outlet charger when touring mild to cost each my iPhone and my energy financial institution in a single day. 

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There is a button on the ability financial institution to activate it, and a shade show that exhibits energy ranges and charging/discharging energy. The show is good and clear, and comprises all the data you want. 

This positively provides to the ability financial institution’s high quality really feel.

The facility financial institution comes with a lanyard that doubles as a USB-C-to-USB-C cable. It is a good contact as a result of there is a combating probability that you will have a cable if you want it.

The SolidSafe 5K is a part of a much bigger ecosystem of units. BMX additionally affords a bigger SolidSafe 10K with a ten,000 mAh capability, together with 3-bay and 5-bay docks for charging a number of energy banks. 

How secure are solid-state cells? There was just one approach to discover out — take the ability financial institution aside and abuse the fully-charged pack by utilizing a screwdriver to make holes in it. 

DON’T TRY THIS AT HOME!

I took precautions of carrying security glasses and doing the stabbing exterior, however as I anticipated it was fortunately anticlimactic, and the cells merely emitted a number of puffs of smoke. 

ZDNET’s shopping for recommendation

The BMX SolidSafe 5K is not low-cost; it retails for $79.99 (the 10,000mAh model is $99.99, and the 3-bay and 5-bay docking stations are $49.99 and $69.99, respectively). That is costlier than most energy banks of its dimension.

Nevertheless it’s additionally new to the sector, and I count on costs to come back down as this know-how turns into extra mainstream (though given how low-cost and energy-dense lithium-ion batteries are, solid-state batteries are unlikely to exchange them any time quickly). 

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However in the event you’re after an influence financial institution that is obtained a low probability of going unhealthy on you — maybe you journey loads, or carry one when biking/motorcycling, or are a primary responder — that is positively price a glance.