With a 4.0aH battery (which is what I had on hand), the Makita lasted a long time, even when grinding down heavy welds. There are other cordless models with plenty of speed and power, but very few can handle a 5-inch disc. To protect the user’s hands from the spinning disc and sparks, the Makita… Continue reading Makita 5″ SJSII HighPower Angle Grinder