How would this work with a off grid 400watt 12 volts solar system ? Can a person charge the batteries with a mppt controller or how do you foks charge them ?
TommyOn Sun, Mar 16, 2014 at 1:39 AM, Hannu Venermo <gcode.fi@gmail.com> wrote:
4 x 3.2 = 12.8 V.
x 100 a-hr=1280 Wh.
x 2 = 2560 Wh.
= 2.56 kWh
? For 450 $
Could you help us with a link to this level of pricing ?
Where can I buy some, please.
On 15/03/2014 17:29, Robert Lemke wrote:
Depending on the range you need, it is a lot cheaper to roll your own instead of using the expensive Torqeedo batteries. My set up is the Ocean Torque kayak and use LiFePO4 prismatic cells instead of lead acid. For less than $450 you can have a 40 mile range on (4) 3.2 volt, 100 a-hr cells in series. I use (2) of these 4 cell packs, one for the outbound leg and the other to return on, total of 80 miles of cruising @ 4 mph.
Bob
-- -hanermo (cnc designs)
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