"I have been using these batteries with an 18v drill for a long time without problem.
However, I recently bought a bare right angle drill, expecting these batteries to fit it, because the Screwfix website says that they will. Unfortunately, they don't. Apparently, some of the Makita 18v range (those with motors that draw more power), will only accept the 3.0Ah batteries.
So be careful if you buy a bare tool and have the 1.3Ah batteries. Check with Makita UK first."
"Bought Makita drill & battery combo with 1.3ah battery which died after little over a year and light use! Turns out the batteries without a star logo are poorly developed and are designed to fail safe as the safety circuit is linked to one cell and kills that cell, to the deteriment of the whole battery. So, check if battery has a star logo as this is 2nd gen item and more reliable."