Phone Repair Guides & Parts News | Supreme Phone Parts

Battery degradation is inevitable. Every rechargeable lithium-ion battery in every smartphone — including your Google Pixel 11 — loses a percentage of its maximum capacity with each charge cycle. After approximately 500 full charge cycles (roughly 1.5–2 years of typical use), most smartphone batteries retain around 80% of their original capacity. After 2-3 years, that figure can drop further, resulting in noticeably shorter battery life throughout the day.

Is your phone battery dying too fast? This complete UK guide for 2026 tells you exactly when to replace your battery, how much it costs for every major brand, what to look for in a quality replacement battery, and where repair professionals can buy batteries wholesale.