Iphone 18 pro: battery boost or another missed opportunity?
Apple's reputation for battery innovation hasn't exactly been stellar in recent years, and the upcoming iPhone 18 Pro appears to be continuing that trend. While whispers of improvements have circulated, a new leak suggests the gains might be disappointingly minimal, with a split strategy potentially impacting US users more than others.
Dual battery capacities: a tale of two markets
According to reliable Weibo leaker Digital Chat Station, Apple is reportedly testing different battery capacities for the iPhone 18 Pro, tailored for the Chinese and US markets. This echoes the strategy employed with last year's iPhone 17 Pro models, but the details reveal a subtle, rather than groundbreaking, upgrade. The US version will pack a 4,288 mAh battery, while its Chinese counterpart will make do with a slightly smaller 4,056 mAh cell.
The difference stems from the US model's continued reliance on eSIM Technology, freeing up valuable internal space that can be devoted to a larger battery. For those in regions still using physical SIM cards, the iPhone 18 Pro will see a more noticeable 68 mAh bump over last year's 3,988 mAh battery – a welcome, albeit modest, improvement.
But let's be frank: a mere 36 mAh increase for the US model is hardly the battery revolution many were hoping for. It’s a marginal improvement over the iPhone 17 Pro’s 4,252 mAh capacity. While Apple is undoubtedly optimizing power efficiency, the reliance on incremental upgrades leaves us wondering when the company will truly commit to a more substantial battery upgrade.
Beyond capacity: the a20 pro's efficiency promise
The good news? The iPhone 18 Pro is expected to house the A20 Pro chip, built on a cutting-edge 2nm process. This promises significant efficiency gains, potentially offsetting the relatively small battery increase. As my colleague Victor discovered during his extensive battery test of the iPhone 17 Pro, even with a modest capacity, the device delivered all-day battery life under normal usage. The A20 Pro should only enhance this performance, provided Apple doesn’t introduce any power-hungry new features in iOS 27.
However, the reality is that Apple continues to lag behind competitors.Samsung and Google, while not setting the battery world ablaze, are pushing towards capacities closer to those found in leading Chinese smartphones – models like the OnePlus 15 with its 6,400 mAh cell or the Xiaomi 17 Ultra boasting a massive 6,800 mAh battery. The reluctance to embrace such large batteries remains puzzling, especially considering the impact they have on user experience.
While a larger battery isn't the sole determinant of phone longevity, it undeniably contributes to peace of mind. Until Apple demonstrates a willingness to prioritize battery capacity alongside its other technological advancements, the iPhone 18 Pro will remain a respectable, but not exceptional, contender in the endurance arena. The potential of the A20 Pro chip offers a glimmer of hope, but the shadow of past battery limitations looms large.