A battery case is a protecting telephone case with a built-in energy pack, letting you recharge your system with out carrying a separate charger.
As soon as widespread, battery circumstances are actually much less widespread as a result of rise of MagSafe and wi-fi energy banks (see: Greatest magnetic energy banks and MagSafe transportable battery packs for iPhone). The selection between the 2 comes all the way down to comfort versus capability: battery circumstances provide an all-in-one resolution, whereas magnetic energy banks present extra flexibility and better cost.
Battery circumstances are supreme if you’d like a easy, “all the time there” energy supply. As a result of the battery is in-built, you don’t want to recollect additional cables or equipment – and also you get added drop safety on the similar time.
They’re particularly helpful for:
- Forgetful vacationers who don’t wish to carry separate chargers
- Customers needing safety alongside additional battery
- Lively professionals who need a safe, wired connection
- Minimalists preferring one system as a substitute of two
The downsides are added bulk and restricted longevity, as circumstances are tied to particular telephone fashions. In addition they are likely to have smaller batteries (round 3000mAh) in comparison with the 5000mAh+ typical of standalone energy banks.
Nonetheless, their key benefit is comfort: dependable backup energy, all the time connected to your telephone.
So you’ll find the perfect battery case on your iPhone, this text appears to be like at choices from our two favourite battery case producers: Mophie and Newdery. There are alternatives for all iPhones from the previous few years, as a result of, frankly, it’s the older iPhones that have a tendency to want the battery increase. You may additionally wish to take a look at our roundup evaluations of the finest iPhone 15 circumstances, finest iPhone 16 circumstances and finest iPhone 17 circumstances.
Mophie Juice Pack – Slimmest case for iPhone 17 Professional, iPhone 17 Professional Max & iPhone Air
Execs
- Inner battery in protecting case
- Quick enter and passthrough energy
- Slimmer than rival battery circumstances
- Sturdy really feel
Cons
- Smaller battery than energy banks
Worth When Reviewed:
$99.95
Greatest Costs In the present day:
$99.95
$99.99
- Capability: 11.55Wh (3000mAh) for iPhone 17 Professional; 3600mAh for 17 Professional Max
- Enter charger: USB-C (45W)
- Output charger: Wired (45W) passthrough; 10W to iPhone
- On check charged iPhone to: 55%
- Weight (Professional): 3.5oz (98g)
- Dimensions (Professional): 6.3-x-3-x-0.75 inches (160-x-77-x-19mm)
- Colours: Black
- Compatibility: iPhone 17 Professional, 17 Professional Max, Air
This Mophie battery case is for the iPhone 17 Professional, 17 Professional Max and Air solely (so not the plain iPhone 17). Just like the model for iPhone 16 (see beneath) it feels extra sturdy in its two half design than the model for the 15. It’s slimmer and noticeably lighter than the iPhone 16 Juice pack, but hosts a higher-capacity battery.
It should give an empty iPhone slightly over half a full cost, which ought to hold you going till the subsequent recharging alternative.
The again of the case options 4 LEDs that point out remaining battery life within the case. To the left of those lights is the Standby/Standing button that must be pressed to start out or pause the charging course of.
Simon Jary
Contained in the case is a USB-C connector that slots into the iPhone’s port, see above.
Simply because the precise charging isn’t wi-fi doesn’t imply that the Mophie Juice Pack abandons MagSafe altogether. The again options an built-in passive magnet that enables a powerful maintain for wallets and different magnetic equipment. You can’t, nevertheless, wirelessly cost the case or the telephone when inside it.
Learn our full
Mophie Juice Pack for iPhone 17 Professional evaluation
Mophie Juice Pack – Greatest for iPhone 16, iPhone 16 Professional and 16 Professional Max
Execs
- Inner battery in protecting case
- Extra environment friendly than a wi-fi energy financial institution
- Slimmer than rival battery circumstances
- Feels extra sturdy than mannequin for iPhone 15
Cons
- Smaller battery than energy banks
Worth When Reviewed:
$99.95
- Capability: 10.78Wh (2800mAh) for iPhone 16 and 16 Professional; 3600mAh for 16 Professional Max
- Enter charger: USB-C (36W)
- Output charger: Wired (27W)
- On check charged iPhone to: 50%
- Weight (Professional): 3.6oz (103g)
- Dimensions (Professional): 6.4-x-2.9-x-0.7 inches (163-x-73-x-17mm)
- Colours: Black
- Compatibility: iPhone 16, 16 Professional, 16 Professional Max
This Mophie battery case for the iPhone 16 household (omitting the 16 Plus) feels extra sturdy in its two half design than the model for the 15, reviewed beneath.
It should fill your iPhone as much as round half when it’s slipped into low single digits of battery share, which could possibly be a life saver.
Dominik Tomaszewski / Foundry
It provides much less recharge potential than its rival Newdery case, reviewed beneath, however is considerably slimmer and lighter with its smaller battery capability.
Learn our full
Mophie Juice Pack Battery Case for iPhone 16 Professional evaluation
Newdery Battery Case – Longest battery life for iPhone 16, 16 Plus, 16 Professional, 16 Professional Max
Execs
- Inner battery in protecting case
- Excessive-capacity battery
Worth When Reviewed:
$32.99
Greatest Costs In the present day:
$32.99
- Capability: From 17.78Wh (4800mAh)
- Enter charger: 12W
- Output charger: 7.5W
- On check charged iPhone to: 72%
- Weight: 5oz (143g)
- Dimensions: 6-x-2.9-x-0.8 inches (151-x-73-x-20mm)
- Colours: Black
- Compatibility: iPhone 16, 16 Plus, 16 Professional, 16 Professional Max
This extra reasonably priced battery case for all fashions of iPhone 16 is noticeably wider and fatter than the Mophie Juice Pack however that’s as a result of it hosts a bigger battery, which implies you get extra recharge potential on the worth of the majority.
Dominik Tomaszewski / Foundry
It’s a one-piece design, in comparison with the Mophie’s two sections.
The iPhone fees wirelessly throughout the case, which implies much less stress on the iPhone’s charging port however the ensuing compromise implies that charging is notably slower. That shouldn’t matter while you’re on the street and the capability will hold your iPhone going for longer.
Learn our full
Newdery Battery Case for iPhone 16 evaluation
Mophie Juice Pack Battery Case – Greatest for iPhone 15, 15 Professional & 15 Professional Max
Execs
- Inner battery in protecting case
- Extra environment friendly than a wi-fi energy financial institution
- Slimmer than rival battery circumstances
Cons
- Smaller battery than energy banks
- Prime part can pull off simply
Worth When Reviewed:
$99.95
- Capability: 9.24Wh (2400mAh) for iPhone 15 and 15 Professional; 3000mAh for 15 Professional Max
- Enter charger: USB-C (18W)
- Output charger: Wired (18W iPhone)
- On check charged iPhone to: 57%
- Weight: 8oz (227g)
- Dimensions: 6.3-x-2.5-x-0.6 inches (160-x-63-x-15mm)
- Colours: Black
- Compatibility: iPhone 15, 15 Professional, 15 Professional Max
No wi-fi charging right here as a result of the Juice Pack is a protecting case with an inner battery. The iPhone is charged by way of a wired USB-C connector, so fees quicker and extra effectively than a wireless-only energy financial institution.
Mophie has designed this battery case to be as slim as doable whereas nonetheless providing sufficient recharge energy to get your iPhone to over a half full battery. The opposite iPhone 15 battery case we examined, the Newdery Battery Case for iPhone 15, reviewed beneath, is available in two a lot bigger battery capacities (5K and 10K) however the circumstances themselves are a lot heavier and hulking.
Dominik Tomaszewski / Foundry
It’s a two-piece design that matches the iPhone properly, and provides sturdy safety from knocks, bumps and drops. The highest half did slip off a few instances in testing from a decent trouser pocket however ought to fare higher from a coat or bag. In order for you a one-piece iPhone battery case select one of many Newdery battery circumstances, reviewed beneath.
The Mophie Juice Pack is on the market for all iPhone 15 fashions besides the 15 Plus. When you’ve got an earlier iPhone mannequin, search for choices with the Newdery battery circumstances beneath.
Learn our full
Mophie Juice Pack for iPhone 15 evaluation
Newdery Battery Case – Longest battery life for iPhone 15 and older
Execs
- Choices for older iPhones
- Protecting case
- Close to 100% battery cost
Worth When Reviewed:
$29.99
Greatest Costs In the present day:
- Capability: From 17.78Wh (4800mAh)
- Enter charger: Lightning, USB-C (18W), Qi
- Output charger: Wired (18W iPhone)
- On check charged iPhone to: 95%
- Weight: 4.66oz (132g)
- Dimensions: 6.3-x-2.5-x-0.8 inches (160-x-63-x-20mm)
- Colours: Black
- Compatibility: iPhone 11-16
The Newdery Battery Case provides full safety and almost a full battery recharge, and this twin perform makes it a less expensive different to a MagSafe case and MagSafe battery pack. Nevertheless, some could discover the cumbersome design too chunky, though the case for the iPhone 15 Professional itself weighs simply 134g.
The 5000mAh Newdery Battery Circumstances scored round 95% in our checks, with the 10K battery circumstances reaching an incredible 168%.
Dominik Tomaszewski / Foundry
These check outcomes are from the iPhone 15 Professional fashions, however Newdery has battery circumstances for all of the current iPhones. Newdery iPhone Battery Circumstances on Amazon US | Amazon UK | Amazon CA.
Some fashions are wi-fi suitable themselves so may be charged itself on most Qi charging pads.
In the event you need safety in addition to longer battery life, the Newdery Battery Case provides each in an reasonably priced bundle. It’s less expensive than the Mophie Juice Pack reviewed above.
Learn our full
Newdery Battery Case for iPhone 15 and 15 Professional evaluation
Does Apple make a battery case for iPhone?
Battery circumstances for iPhones was all the trend. Apple even made one from 2015 to 2019—the Apple Sensible Battery Case that was mocked for its humped again, which was final seen for iPhone 11. Apple then switched to a magnetic energy financial institution (the Apple MagSafe Battery Pack), and even obtained uninterested in that till it launched a brand new one for the iPhone Air. There are a lot better magnetic options—see our evaluations of the perfect magnetic energy banks for iPhone.
Apple
Which battery case is finest: Mophie vs Newdery
Selecting between Mophie and Newdery battery circumstances is determined by whether or not you prioritize a slim, premium design or most charging capability at an reasonably priced worth. Whereas Mophie has lengthy been the market chief for iPhone battery circumstances, Newdery has established itself as a dependable different that always gives considerably extra energy for a decrease price.
Mophie Juice Pack Collection
Mophie’s Juice Pack is usually thought-about the “finest” for customers who need a high-quality, built-in really feel with out extreme bulk. The most recent fashions for the iPhone 17 Professional and 17 Professional Max proceed this pattern by being slimmer and lighter than earlier iterations.
- Design and Construct: Mophie makes use of a signature two-piece design the place the highest pulls off to permit the telephone to slip onto a built-in USB-C connector. In our evaluation of the Mophie Juice Pack for iPhone 17 Professional, we observe that “Mophie retains making its Juice Pack battery circumstances slimmer, lighter and extra sturdy than earlier fashions”.
- Efficiency: As a result of the circumstances are slim, the batteries are smaller (sometimes 2,400mAh to three,600mAh). In checks, these circumstances often present a 50% to 55% recharge, which is meant to get a person by means of the day moderately than offering a number of full fees.
- Safety: Mophie circumstances provide 6-foot drop safety and embrace raised corners to avoid wasting the display from impacts.
Newdery Battery Case Collection
Newdery is the higher selection for “energy customers” or vacationers who have to avoid a wall outlet for prolonged durations. They provide a lot larger capacities, together with 5,000mAh and even 10,000mAh fashions.
- Design and Innovation: In contrast to Mophie’s bodily connector, some Newdery fashions for the iPhone 16 and 17 use inner wi-fi charging. As famous in our Newdery Battery Case for iPhone 16 evaluation, “Newdery makes use of wi-fi charging in order that there isn’t a threat of jamming the telephone into the case too onerous and damaging the iPhone’s charging port.” . Nevertheless, this makes the case considerably bulkier, typically measuring almost 2cm deep.
- Efficiency: The 5,000mAh Newdery case can recharge an iPhone 16 Professional to roughly 72%, in comparison with Mophie’s 50%. The ten,000mAh model can recharge a telephone over 1.5 instances.
- Worth: Newdery circumstances are considerably cheaper, typically priced round $30–$33, whereas Mophie circumstances sometimes retail for $99.95.
How battery circumstances work
Battery circumstances sometimes perform by means of one among two main connection strategies:
- Bodily Connector: Most conventional fashions, such because the Mophie Juice Pack, use a two-piece design the place the telephone slides right into a base containing a built-in USB-C or Lightning connector. This bodily hyperlink is usually extra environment friendly than wi-fi options.
- Inner Wi-fi Charging: Some fashionable circumstances, like these from Newdery, use inner wi-fi charging to energy the telephone whereas it’s contained in the case. This design eliminates the chance of damaging the telephone’s charging port throughout set up.
Do battery circumstances injury your telephone battery?
Battery circumstances are typically thought-about protected on your telephone’s battery well being, offered they’re used appropriately and are available from respected producers. Whereas they don’t inherently “injury” the battery, they will introduce environmental elements – particularly warmth – which will speed up pure degradation over time.
What to keep away from when utilizing a battery case
To take care of your telephone’s battery well being whereas utilizing a battery case, contemplate the next:
- Keep away from “Parasite Masses”: Utilizing your telephone closely (like watching video) whereas it’s being charged by the case can create “mini-cycles” that deteriorate the battery quicker.
- Monitor Charging Limits: Trendy iPhones embrace options like “Optimized Battery Charging” or onerous limits (comparable to stopping at 80%) to preserve battery longevity.
- Select Trusted Manufacturers: Consultants advocate sticking to well-known manufacturers like Mophie or examined options like Newdery, as low-cost, “no-name” {hardware} typically lacks the protecting circuits mandatory to forestall overheating.
Do battery circumstances assist quick charging?
Battery circumstances do assist quick charging, although the implementation and pace differ considerably between fashions. In contrast to standalone energy banks, which frequently depend on magnetic wi-fi connections, battery circumstances sometimes use a bodily connector – comparable to USB-C – to ship energy extra effectively.
The quickest approach to cost an iPhone stays a wired connection. Many fashionable battery circumstances make the most of an built-in USB-C connector that plugs immediately into the telephone’s port. Others have designed circumstances that cost the telephone wirelessly whereas it sits contained in the case. Whereas this reduces the chance of damaging the telephone’s charging port, it leads to slower charging speeds in comparison with a direct “onerous” connection.
Would a MagSafe Energy Financial institution be higher?
Whereas battery circumstances provide safety, they’re typically “bulkier than a standard case” and infrequently provide a full 100% recharge. For instance, the Mophie Juice Pack for iPhone 17 Professional sometimes recharges a drained system to about 55%.
In distinction, as famous in Greatest magnetic energy banks and MagSafe transportable battery packs for iPhone, a 10K (10,000mAh) energy financial institution can cost a telephone shut to 2 instances over. It is best to select an influence financial institution when you prioritize most battery life for long-haul journey or tenting, or if you wish to hold your telephone slim more often than not and solely add bulk when a cost is definitely wanted.
