Your laptop is back with a brand new battery fitted and fully tested. A few simple steps will get the best from it.
Every battery we fit is bench tested and charge cycled before it leaves the workshop, so it is ready to use straight away. The one thing worth doing in the first day or two is letting the battery meter learn the new cell. Here is what to do, and what is normal while it settles.
Charge the laptop all the way to 100 percent, then use it normally until it gets down to around 5 to 10 percent, then charge it back to 100 percent without interrupting. This single cycle lets the battery meter learn the real capacity of the new cell, so the percentage and the time remaining read accurately from then on.
It does not need to be done perfectly or all in one sitting. The aim is simply one good charge, one good run down, and one good charge back up.
For the first cycle or two the battery percentage or the time remaining can jump around, or drop more suddenly than you would expect. This is completely normal while the meter calibrates to the new battery, and it is not a fault.
Modern laptop batteries are lithium-ion. Unlike the old nickel batteries from years ago, the cell itself does not need conditioning. What needs to settle is the small gauge chip that reports the charge level, and that happens on its own once you have run a full charge and discharge.
If the battery still reads strangely after a full charge and discharge, or the run time is not what you expected, get in touch and we will take a look. Every battery we fit is covered by our 90-day workshop warranty on the part and the work.
If the battery is fine but the laptop has another fault, such as a cracked or flickering screen, a loose hinge, no power or liquid damage, see our mail-in laptop repair page. We quote before any work starts. If it is just running hot or slow, the £65 laptop and MacBook service covers a full clean and fresh thermal paste.