|You can't. Acer do this to protect your laptop from possible damage caused by inferior batteries. You should only ever replace any laptop battery with an original equipment one from the manufacturer. It will cost more but it's been rigorously tested and built to a high standard.|
I would never put a cheaper, non-oem battery on my laptop even if it worked. You might cynically think this is just protectionism by acer, forcing you to buy their replacement parts. But the reason is very much a safety issue.
Cheap copies have been known to catch fire , explode and damage the laptop. Then it would cost you a lot more than a genuine acer battery.