As device makers strive to improve battery and charging tech, Apple tests inductive charging for its watch
Building a Better Battery — SAN FRANCISCO — The next breakthrough smartphone, or maybe the one after that, might not have a traditional battery as its sole source of power.
Context & Ripple Effects
With no smartphone battery breakthrough on the horizon, the New York Times frames the industry's problem as one of delivery rather than chemistry — and reports that Apple is testing inductive charging for its watch, a confirmed detail that lands amid a cluster of unconfirmed watch rumors: a Healthbook fitness app reportedly tied to the iWatch, and preinstallation with iOS 8, both still unverified. A wearable that tracks health around the clock makes every milliamp-hour matter, which is why the charging method, not just the cell, becomes the design lever.
The story traveled unusually widely for a feature piece — pickups at Ars Technica, Gigaom, PC Magazine, BGR and Business Insider among others within a day — reflecting how much weight the market puts on any signal about Apple's first wearable and its power budget.
First-order effects
- If inductive charging ships in the watch, Apple can seal the device with no charging port, trading user-replaceable parts for water resistance and industrial design — with the charging puck becoming a required accessory.
- Apple's own roadmap tightens: a fitness-tracking watch implied by the unconfirmed Healthbook rumors needs continuous sensors, so charging convenience directly gates which features ship.
Second-order effects
- Rival wearable and phone makers face pressure to adopt compatible inductive standards, because whatever charging format Apple normalizes at its volume becomes the de facto target third-party accessory makers build for.
- Component suppliers gain a new line item — coils, magnets and power-management silicon per device — while dock and cable vendors reposition around wireless pads instead of proprietary connectors.
Third-order effects
- If battery chemistry keeps improving incrementally while devices add always-on sensors, the industry's differentiation shifts from capacity to charging topology — wireless, dock-based, eventually over-distance — with each major vendor's format functioning as a lock-in mechanism.
- Wearables may end up designed around a daily docking ritual rather than multi-day endurance, accepting the constraint and engineering the experience around it instead.
The trend: As battery energy density improves only incrementally, consumer device makers are competing on how power is delivered — inductive and wireless charging moving from niche accessories to default product architecture.