Re: (ET) motive power sources

[Christopher Zach <cz bunsen crystel com>]

Very bad idea. The diodes on the charger will probably fail/blow up if 
asked to source all the power, so I'd recommend not doing this.

The Ryobi battery trick *could* work, however you need to figure out how 
to charge them safely. In terms of power usage my E20 can pull 100 amps 
while mowing uphill and 300-400 amps when running the snowblower up a hill.

This is one of the problems with the current Lithiunm batteries out 
there that look like T105's or whatnot: You need to make sure they can 
source 200-300a without blowing up and if you want to use the Elec-trak 
charger the BMS would have to be able to handle a 40a charge current and 
properly bypass it when the cells are full.

C

On 5/12/2024 3:05 PM, Mike Finck via Elec-trak wrote:
> I recall reading/hearing that an Electrak can be motive by plugging in the 
> charger (with an extension cord) and using it as a power source, sans 
> batteries. Comments?
>
> Also i was wanting a temporary/portable battery pack just for short 
> distance moves for an  E-16 that i do not keep batteries in. Seeing the 
> battery powered ZTR mowers using multiple tool batteries for power I 
> schemed up a tote box using 4 Ryobi 18v tool batteries wiring them to 
> produce 36v. I had found caps/sleeves/adapters that slip over the battery 
> post with 12ga leads. Perfect. And the tractor worked! However, one of the 
> off-brand batts failed. I disposed of it months ago but recent reflection 
> i believe I used 2-3amp/hr and 2-1.5amp/hr batts. Perhaps that is relevant 
> info.
> As an aside, what might the range be for 4-3amp/hr batts?
> Thanks for any discussion 🙂
> Mike
> Pix would be fun but i don’t know how to keep them from being scrubbed.
>
>
> Sent from my iPhone
>
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