Sunday, February 22, 2015

RE: [Electric Boats] Experience using LiPo batteries for Torqeedo remote?

 

In addition to all the previous, Torqeedo now markets their own larger LiPo 24 volt battery pack. Not the least expensive route but should make for an easy installation.

Cheers,

Ric

 

From: electricboats@yahoogroups.com [mailto:electricboats@yahoogroups.com]
Sent: Saturday, February 21, 2015 5:33 PM
To: electricboats@yahoogroups.com
Subject: Re: [Electric Boats] Experience using LiPo batteries for Torqeedo remote?

 

 

esidave,

 

Most Torqeedos are spec'ed to run considerably over their nominal voltage. See your owners manual for your model. For example the Cruise 4 will run up to 65 volts so I use 18 or19 cells of LiFePO4 and charge them to 64 volts. Many users run five 12volt lead acid batteries with the Cruise 4. There is one caution if you push the limit. The Torqeedos will not turn on if you go over the limit so you need a heavy load handy to knock down any overcharge. An element from a hot water heater with a couple of clip leads or a connector will work in a few minutes. There are two advantages to going as high as possible on the voltage. You will have more capacity and you will draw less current. The current is what heats up the motor and can cause the protective circuitry to cut back on available power to the motor. As I recall, their 24 volt motors will not go high enough in voltage to allow three 12 volt cells but if you are building your own Li bank you can probably go to nine or ten cells rather than eight.

Best wishes,

Ned

 

On Feb 19, 2015, at 2:47 PM, esldave@rocketmail.com [electricboats] wrote:



 

 

I have a Torqeedo outboard motor with removable lithium battery pack.  It also came with a remote connection to allow the use of large 24 volt system.  Does anyone see any issues with my replacing the wet deep cycle batteries with gel cells or even LiPo?

 

 

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Posted by: "Richard Sanders" <rsandersemail@gmail.com>
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