For Trade and Retail Buyers

iPhone battery procurement differs from other parts categories in one important respect: Apple does not sell new service pack batteries through general distribution. iParts4U offers five purchasing options across two genuine grades and a three-tier iP9 branded range. The real decision axis is how the battery presents in iOS Parts and Service History, which ranges from fully genuine through to honestly aftermarket. Here is how they compare.

A quick rule of thumb: Genuine New or Reclaimed where the customer wants real Apple cells with clean iOS reporting, iP9 Calibration as the aftermarket option that avoids the non-genuine warning, iP9 High Capacity for extended runtime, and iP9 Standard for the keenest price. The iP9 range is CE and RoHS certified and manufactured to consistent specifications across the iPhone generations we cover.

For Trade and Retail Buyers

Battery replacement is the single highest-volume iPhone repair across the entire workshop catalogue. iPhone batteries degrade meaningfully from around 18 to 24 months of normal use, with customers presenting at workshop intake with shutdowns at 20 to 30 percent remaining charge, rapid percentage drops during use, and unexpected restarts under load. From the iPhone 6 through to the current iPhone 17 family, battery service is the most consistent revenue stream for repair shops, and iParts4U holds continuous UK stock across every generation.

From a workshop economics perspective, battery replacement is genuinely worthwhile across most modern iPhone generations. The iPhone 11, 12 and 13 families are in peak repair demand right now, devices three to five years old with original batteries showing severe degradation. iPhone 14 and 15 family work is ramping as those devices reach their two-year anniversary. iPhone 16 and 17 family battery work is mostly future-state, but Apple's split launch schedule keeping iPhone 17 on shelves through 2027 means substantial demand is coming. Older models from iPhone 6 through iPhone X still see meaningful service work where customers are committed to keeping the device, and we hold stock across those generations too.

Fitment Notes for Trade

iPhone battery service procedures vary across generations. iPhone 6 through the iPhone 14 family use adhesive pull-tabs to secure the battery, where steady tension releases the bond. The pull-tabs can break during extraction, particularly on larger cells, in which case the prying-and-isopropyl technique is the fallback. The iPhone 16 generation introduced an electrically-debonded adhesive system, where low-voltage current through the chassis releases the bond cleanly. The iPhone 17 Pro and Pro Max introduced a screwed-in battery tray secured by 14 Torx Plus screws, a fundamentally new workflow requiring Torx Plus tooling rather than the adhesive techniques used on every previous iPhone.

Never apply heat to a swollen battery, and always handle lithium-ion cells with appropriate care during extraction and disposal. To complete the repair with charge ports, screens and other parts, browse our wider mobile phone battery range and full iPhone parts catalogue.

For Trade and Retail Buyers