A Qi wireless battery case for iPhone 13 to 17 that publishes both its rated capacity and what it actually delivers — losses included. Made on our own line, certified for air and sea, sold by the piece or by the pallet.
3,500mAh
Measured · rated 3,600 mAh
15W
Qi wireless output
95g
Case weight · iPhone 17
15.5mm
Total thickness
The label problem
A battery case loses energy twice: once inside the cell, once across the wireless coil. Most of the category quotes the cell and hides the losses. We publish both, and we let the delivered figure do the selling.
Every unit is aged on a charging rig before it is packed. The box carries the rated cell capacity; we publish the measured capacity next to it and can send you the test report — same cell, same batch, same test bench.
Two ways to carry power
Series 01
The case is the battery. Nothing to carry, nothing to lose. 3,600 mAh rated (3,500 mAh measured) or 2,500 mAh for the lightest build, and a 5,000 mAh version for heavy days.
Series 02
A magnetic battery pack that snaps on when the day runs long and comes off when it does not. 5,000 or 10,000 mAh, 15 W wireless, in burgundy or graphite.
Not a trading company
Seven moulds cover fifteen iPhone models. Every case is aged, then checked for coil alignment before it is boxed. When a new iPhone ships, we cut a new mould — not a new supplier relationship.
7
Moulds · 15 SKUs
100%
Aging test before packing
15–25days
Bulk lead time
80pcs
Per export carton
Files you can forward
Battery cases are regulated cargo. We ship with a complete document set, so your customs broker and your marketplace reviewer both stop asking questions.
Asked every week
About 32% on an iPhone 17 and about 28% on a 17 Pro Max, calculated from the measured cell capacity (2,100 mAh, or 2,600 mAh on Pro Max models). The bigger the phone battery, the smaller the share.
The 2,500 mAh on the box is the rated capacity of the cell. On our bench the same cell delivers 2,100 mAh, so we publish both, plus the charge it adds to each iPhone. A lot of listings print a peak rating, or a number nobody ever measured. The gap between a big number on the box and what reaches the phone is exactly what we are trying to close.
Yes. The lip sits 0.6 mm above the glass and clears tempered glass up to 0.4 mm thick.
No. The camera is fully covered by a raised 0.8 mm bezel, and button cut-outs are moulded per model — we do not share one shell across two generations.
Yes. Plug USB-C into the case and it passes through to the phone while topping itself up. 18W in, 22.5W out over the cable.
About 2.5 hours from an 18W USB-C charger. It stops at 100% and does not trickle, so the cell is not held at full voltage overnight.
Yes. 9.3 Wh rated (11.1 Wh on Pro Max models) is well below the 100 Wh cabin limit. UN38.3 and the SDS travel with every shipment, so the airline has the paperwork it asks for.
Surface temperature holds at 38–42°C at 15W. Above 45°C the controller steps down to 7.5W instead of pushing the cell.
12 months on the cell and the coil. Dead-on-arrival units are replaced within 30 days without return shipping.
The receiver, unless we agree otherwise in writing. We quote EXW or FOB Dongguan — we do not quote DDP.
From 100 pieces: logo on the shell, printed retail box and the capacity print. The moulds stay with us, so there is no tooling fee.
Yes. One MOQ of 10 pieces can mix models, colours and capacities. 80 pieces per export carton, 15 kg gross.
Wholesale & OEM
Mixed models and colours inside one MOQ. Logo, retail box and capacity printing on request. EXW Dongguan, with FOB quotes on the same sheet.
| Quantity | Unit price | Typical buyer |
|---|---|---|
| 10–49 | $17.90 | Sample & test order |
| 50–99 | $15.90 | First retail buy |
| 100–499 | $12.90 | Distributor |
| 500+ | $11.90 | Private label |