Forum reply Re: ELECTRIC POWER SYSTEM THAT ALLOWS SWITCHING FROM A MAIN BATTERY TO A SPARE BATTERY, FOR SAFER NA Hi Digikey. Italy https://www.digikey.it/it/products/detail/texas-instruments/LM136AH-2-5/+5055949+ Found this https://320volt.com/en/6v-battery-discharge-prot… ♥ 8 · 25 days ago Forum reply Re: ELECTRIC POWER SYSTEM THAT ALLOWS SWITCHING FROM A MAIN BATTERY TO A SPARE BATTERY, FOR SAFER NA Hi, Happy to help. The inputs are centered around 2.5 volts, the LM136 is correct. You could use a zener but the LM136 is much easier and stable. The LM136 is … ♥ 8 · 26 days ago Forum reply ELECTRIC POWER SYSTEM THAT ALLOWS SWITCHING FROM A MAIN BATTERY TO A SPARE BATTERY, FOR SAFER NAVIGA Sorry, system keeps losing my textHad a look at other options, an Arduino project will be overkill and realistically beyond most people of our age,programming,… ♥ 8 · 37 · 27 days ago Forum reply ELECTRIC POWER SYSTEM THAT ALLOWS SWITCHING FROM A MAIN BATTERY TO A SPARE BATTERY, FOR SAFER NAVIGA Oops - lost a line of text Found a couple of things that might be of use: 1. For small loads ( ♥ 8 · 52 · 27 days ago Forum reply ELECTRIC POWER SYSTEM THAT ALLOWS SWITCHING FROM A MAIN BATTERY TO A SPARE BATTERY, FOR SAFER NAVIGA Had a look at other options, an Arduino project will be overkill and realistically beyond most people of our age,programming, calibrating and even supplying 5 … ♥ 8 · 66 · 27 days ago Forum reply ELECTRIC POWER SYSTEM THAT ALLOWS SWITCHING FROM A MAIN BATTERY TO A SPARE BATTERY, FOR SAFER NAVIGA Hi Alessandro, Definitely should work on 6 volts. Relay operation is as you describe, Reset is a manual button in the boat, makes no sense to reset by radio as… ♥ 8 · 156 · 28 days ago Forum reply ELECTRIC POWER SYSTEM THAT ALLOWS SWITCHING FROM A MAIN BATTERY TO A SPARE BATTERY, FOR SAFER NAVIGA Hi I’ve attached a possible solution to the battery change over problem. I haven’t tried this but I expect it will work. Cheap easily obtained parts. Notes Vre… ♥ 8 · 206 · 29 days ago Forum reply ELECTRIC POWER SYSTEM THAT ALLOWS SWITCHING FROM A MAIN BATTERY TO A SPARE BATTERY, FOR SAFER NAVIGA Hi, For some reason I did not see the original drawing. This design occurred to me as well though I initially discounted it, I now see that this is the best so… ♥ 8 · 222 · 30 days ago Forum reply ELECTRIC POWER SYSTEM THAT ALLOWS SWITCHING FROM A MAIN BATTERY TO A SPARE BATTERY, FOR SAFER NAVIGA Just realised another issue with the current design. During the relay change over the drop in voltage might trip the ESC or Rx. System needs to connect the bac… ♥ 8 · 205 · 1 month ago Forum reply ELECTRIC POWER SYSTEM THAT ALLOWS SWITCHING FROM A MAIN BATTERY TO A SPARE BATTERY, FOR SAFER NAVIGA Interesting subject, I can see why you would like a system to automatically change over the batteries when the main one gets close to the ESC drop out voltage.… ♥ 8 · 207 · 1 month ago