Apple A1185 Battery - 5400mAh Li-ion 35% Off

Need another apple a1185 battery for your apple macbook series laptops? There are loads of cheaps on the www.canada-batteries.com ( replacement laptop batteries canada ). Does anyone have any experience (good or bad) of using generice a1185 battery pack ( compatible with original apple a1181 battery. )?  Generic apple laptop batteries can be made by any number of manufacturers and they all take on the challenge with different perspectives. And as a result if you were to buy from a e-retailers www.canada-batteries.com ( which has been selling generic apple a1185 laptop battery from many manufacturers for years) Apple A1185 Battery Specs : 5400mAh Li-ion 6Cell Black 10.80V Brand New, 100% Compatible