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The celltech team is made up of experienced repair technicians based in Birmingham, UK. Together, we've fixed over 100,000 devices—everything from shattered iPhone screens to gaming consoles that stopped working mid-match.
Our team approach means every article draws on collective expertise. When we write about MacBook repairs, it's informed by technicians who've diagnosed hundreds of logic boards. When we cover iPhone screens, it's backed by hands-on experience with every quality tier on the market.
We believe in honest, practical advice. No affiliate links, no sponsored content—just genuine insights from people who fix devices for a living.
How much does iPhone battery replacement cost? £34.95-£214.95 depending on model. Complete UK pricing for every iPhone, plus Apple and high street comparisons.
iPhone batteries are designed for 500 charge cycles to 80% health. But real-world lifespan varies dramatically by model, usage, and charging habits.
A swollen iPhone battery is a safety emergency. Learn the warning signs, what to do immediately, and why you must never attempt removal yourself.
Should you drain your iPhone to 0% to recalibrate? No. This 1990s advice harms modern lithium-ion batteries. Here is what actually helps.
Are third-party iPhone batteries safe? We compare OEM vs premium aftermarket on capacity, safety, lifespan, the Unknown Part warning, and price.
Getting your iPhone battery replaced? Here is exactly what happens: preparation, the 30-minute process, and what your phone feels like afterwards.
DIY costs £25-40 in tools plus your time. But hidden risks — punctured cells, torn cables, voided water resistance — make professional repair smarter for most.
Your iPhone hates British winters. Below 0°C, capacity drops up to 50%. How to protect your phone and when cold sensitivity means a dying battery.
LiCoO₂ cathodes, graphite anodes, SEI layer growth, and why 500 cycles means 80% capacity. The science of iPhone batteries made accessible.
Replace battery (£3/month) or buy new (£15/month)? Cost-per-month analysis, 99.5% less CO₂, and a clear decision framework for every iPhone model.
And 80 more articles...