Precast Erector

I was fortunate enough to have a Makita rep load me a DHR400. The drill itself is fantastic. Comfortable, excellent speed and effortless to use with low vibration. You momentarily forget that you are using a cordless drill, it’s that good. The let down was the 2 5amp batteries. I was only able to drill 14 dia100@120mm deep before the unit began to cut out. Unlike the Milwaukee this unit cuts out when the battery is low rather that die out which I think is good. In my industry that translates to installing 7 precast wall panels (2 hrs work) before changing batteries. I suppose that if I went for this drill with 2 lots of 6amp battery packs that I should get through the day without any issues. Next week I am trying out the Dewalt SDS max 54v with 9amp battery. I’ll post my findings then.