Why Choose Keith Thomas
• 20 years of experience as a Senior Apple Support Specialist at Apple Computer UK HQ.
• Former Apple Computer UK Mac Support Specialist and Apple Authorised Service Provider background.
• Established and Independent since 2010 for on‑site Apple Support Service – no call centres, no outsourcing, no hardware repairs. Over 25,000+ Apple problems resolved. Unique on-site Apple Support Service. backed up with Independent Apple Telephone Support Assistance.
• Trusted by home users, small businesses, and professionals across London and the South East UK.• Clear, honest, software‑only support. No Hardware Repairs. Expert Apple Consultancy Service.
On‑site Apple Mac Support in London and the South East UK
What this page covers
This guide explains the real reasons a Mac battery drains quickly, the steps you can try yourself, and when it’s time to get professional on‑site help. It applies to:
• MacBook Air
• MacBook Pro
• iMac (battery backup issues on UPS systems)
• Mac mini (power management issues)
• Mac Studio (power management issues)
If your MacBook battery drains too quickly, loses charge while sleeping, or shuts down unexpectedly, this page is for you.
The most common reasons a Mac battery drains fast
These are the issues that Keith Thomas identifies most often during on‑site visits:
• Apps using excessive CPU
• Too many background processes
• iCloud syncing delays
• Spotlight indexing
• Damaged or outdated apps
• macOS update processes running in the background
• Battery health degradation
• Incorrect power settings
Quick checks you can do yourself
These steps solve around 50% of battery drain issues.
Check 1 – Restart the Mac
A restart clears stuck processes and resets power management.
Check 2 – Close unused apps
Quit apps you’re not using, especially Chrome, Zoom, Teams and Photoshop.
Check 3 – Check Activity Monitor
Go to Applications → Utilities → Activity Monitor and look for apps using high CPU or energy.
Check 4 – Update macOS
Go to System Settings → General → Software Update.
If your Mac battery drains fast while sleeping
This usually means:
• iCloud is syncing in the background
• Power Nap is enabled
• Apps are preventing sleep
Try:
• Turning off Power Nap
• Restarting the Mac
• Checking Activity Monitor → Energy
If your Mac battery drains fast after a macOS update
This usually means:
• Spotlight is indexing
• iCloud is syncing files
• Background processes are rebuilding
Try:
• Leaving the Mac plugged in for a few hours
• Restarting after indexing completes
• Checking Activity Monitor
If your Mac battery drains fast when using apps
This usually means:
• The app is using too much CPU
• The app is outdated
• The app is damaged
Try:
• Updating the app
• Restarting the Mac
• Checking Activity Monitor
When DIY stops working
You should get on‑site help if:
• The battery drains extremely fast
• The Mac shuts down unexpectedly
• Apps freeze or crash due to low power
• macOS reinstall does not fix the issue
• You need your data preserved
These issues usually require:
• Power management diagnostics
• macOS recovery
• Data‑safe macOS reinstall
• User account repair
• Battery health assessment
On‑Site Apple Mac Support – London & South East UK
If your Mac battery is draining fast, Keith Thomas provides an often same‑day on‑site support service across:
• Central London
• West, North, South and East London
• Surrey
• Berkshire
• Hampshire
• Wiltshire
Keith Thomas is a Mac Support Specialist in:
• Mac battery drain issues
• macOS optimisation
• Data‑safe macOS recovery
• macOS reinstall and repair
• iCloud and Apple Account issues
• New Mac setup and migration
• Power and battery diagnostics
Book on‑site help in London and the South East UK
If your Mac battery is draining fast, Keith Thomas can visit your home or office and get you working again.
Keith Thomas – Apple Mac Support Specialist
Established 2010 – Open 09:30–20:30, 7 Days
Contact Keith Thomas by Telephone: 07800 940756 or by Text to: 07800 940756, or simply complete an online website contact form 24/7