Quick answer: A compatible USB-C device only draws the power it supports. A higher-rated adapter provides available power; it does not force the full rating into every iPhone, iPad or MacBook. Compatibility also depends on the device and cable.
Who should consider a 40W charger?
The 40W class is most relevant to buyers who want more charging headroom than a 20W adapter provides, especially for compatible newer iPhones, iPads and other USB-C devices. For MacBook models, always check the model's recommended adapter wattage before treating a 40W adapter as a primary laptop charger.
Current iSmartHub 40W options
| Version | Starting price | Link |
|---|---|---|
| 40W 2-pin | PKR 6,999 | View product |
| 40W 3-pin UK | PKR 7,400 | View product |
Prices checked 8 September 2026. Live product pages control the final variant price.
iPhone compatibility
For compatible iPhones, USB-C charging negotiates power between the device, adapter and cable. An iPhone will not simply draw the adapter's full rating because the adapter says 40W.
iPad compatibility
Many USB-C iPads can charge from a 40W-class USB-C adapter, but the actual power accepted varies by model. Check the specific iPad technical specifications when charging speed matters.
MacBook compatibility
A 40W adapter can charge some USB-C MacBook models or provide useful top-up power, but it may be below the recommended wattage for larger or higher-performance MacBooks. Use the MacBook model's recommended adapter wattage as the reference.
Cable choice matters
Use a quality USB-C cable rated for the charging power you need. The adapter and device can only perform as well as the weakest component in the charging path.
Related buying guides
What to Check Before Buying
For Pakistani buyers, check compatibility, charging standard, connector type, plug fit and the cable used with the charger. Maximum wattage is not a promise that every phone will charge at that speed; the device, adapter and cable determine the actual result. For USB-C products, check supported Power Delivery or PPS requirements where relevant. For 2-pin and 3-pin models, choose the plug that fits the wall socket securely. Confirm the exact phone or tablet model against the product specifications before ordering.
Before checkout, verify the selected variant, included cable or adapter, current price, stock and delivery terms. The live product page should remain the final reference.
