Slim 2500
$59The everyday case. 2,500 mAh rated and 2,100 mAh measured, 93–95 g on the phone. Pro Max models get a 3,000 mAh version (2,600 mAh measured, 115 g).
2,100 mAh measured93–115 g15.5 mm≈+32% iPhone 17
iPhone battery cases & magnetic battery packs · iPhone 13–17Shop the range
One case per phone, one price per model. Every listing shows the measured capacity and what that capacity actually adds to a phone — not the cell rating alone.
Capacity series
The case is the battery
Slim 3600
$64The same Slim shell with a bigger cell: 3,600 mAh rated and 3,500 mAh measured on every model, Pro Max included.
3,500 mAh measured93–115 g15.5 mm≈+53% iPhone 17
Pro 5000
$69The travel and field-work case. 5,000 mAh rated, 4,500 mAh measured, 2 mm thicker, and enough for a second day away from a socket.
4,500 mAh measured108 g17.5 mm≈+70% iPhone 17
Magnetic series
Snap on when the day runs long
S58
Price on requestA semi-solid-state cell for higher safety and a built-in USB-C cable, so there is no extra cable to carry.
Wireless 15 WUSB-C 22.5 W17.8 mm
S56
Price on requestA slim 9.8 mm pack with a TFT display that shows battery level and output power at a glance.
Wireless 15 W9.8 mm5 colours
S54
Price on requestCharges an iPhone, a smartwatch and earbuds at 12.5 mm thin. The S54-A carries a 10,000 mAh semi-solid-state cell; other capacities are available.
Wireless 15 WUSB-C 18 W12.5 mm
S51
Price on requestAn 8.2 mm pack with a soft-touch finish that is comfortable to hold. White, black or orange.
Wireless 10 W8.2 mm108 × 71 mm
S15
Price on requestPower bank, wireless charger, card holder and phone stand in one, with a metallic finish and soft leather. Black, grey or titanium.
Wireless 15 WUSB-C 22.5 W15.5 mm
S5
Price on requestA 10,000 mAh pack that charges an iPhone, a smartwatch and earbuds wirelessly, with wired USB-C output as well. White or black.
Wireless 15 WUSB-C 20 W18.6 mm
Side by side
Pick by the day you actually have.
| Model | Measured capacity | Added charge · iPhone 17 | Weight | Thickness | Price |
|---|---|---|---|---|---|
| Slim 2500 | 2,100 mAh (Pro Max 2,600) | ≈+32% | 93–115 g | 15.5 mm | $59 |
| Slim 3600 | 3,500 mAh | ≈+53% | 93–115 g | 15.5 mm | $64 |
| Pro 5000 | 4,500 mAh | ≈+70% | 108 g | 17.5 mm | $69 |
| Magnetic power banks (6 models) | 5,000–10,000 mAh rated | — | — | 8.2–18.6 mm | On request |
Added charge is calculated from the measured cell capacity for an iPhone 17 at 25 °C, screen off. For the magnetic power banks, measured capacity is tested per batch and sent with the quote.
Buying more than ten?
Retail prices are for single units. Wholesale starts at 10 pieces with mixed models and colours, and private label starts at 100.