I bought a Ryobi One+ 18v lawnmower two days ago, against my better judgement. I knew it would be weak... How weak was what surprised me.
The thing is, I've noticed it's the battery pack that cuts out, not the mower itself. 1. It cuts out more when the battery is low, and 2. The new battery cuts out less than an old one.
So, I'm thinking of gutting one of my old batteries, and putting like a high rate 5S battery in there with no protection except maybe a fuse.
So my question is:
1. WIll a fuse be enough?
2. What kind of rating should I try?
Thinking of just rigging one up with a current meter, and see what it takes to trip the standard battery, then raise it 10% at a time until either I feel it's unsafe or it doesn't trip the fuse under any circumstance, but if anyone has any ideas or starting points, I'm keen to hear them.
eBike: Q100H on 16S with Phaserunner FOC Controller
eMotorscooter: Vectrix VX-1 on 36S
eCar: Mitsubishi Outlander PHEV... Waiting for warranty to expire
eHouse: Still on grid, but with LTO batteries and 3kw LF inverter...
After 5 builds, the best advice I can give, is start with high quality products. I prefer http://www.ebikes.ca