Dual Battery Switch - Stop Parasitic Power Loss on Boat
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- Опубликовано: 8 сен 2017
- Using a dual battery switch correctly to stop parasitic boat accessories from draining your batteries. Some of the biggest problems are with fish finders, amplifiers, stereos etc.
Products Mentioned:
- Perko Dual Battery Switch: amzn.to/2wQ5iGT
- Di-Electric Grease: amzn.to/2gTbbg3
Nice little video. I couldn't help to notice a couple "quirks" out the gate. Electrical codes (yes, there are codes for marine) specify a couple of things.
1. When utilizing #6 AWG or larger wire connections, wing nuts are not permitted. It's stated you must use a flat washer, lock washer and a nut on the post.
2. A maximum of four ring connectors upon any one post.
Please, don't get me wrong. I'm guilty of exactly the same wing nuts and sometimes five or more connectors stacked on a post too. But, I've also come to know the importance of (as close to as you can) perfectly sized, crimped, and corrosion free electrical connections, especially for you saltwater guys. Too many of us are guilty (including myself) of just "making it work", with intentions on cleaning it up. You never want to become stranded, or faced with an onboard fire due to sloppy electrical work.
Again, thanks for the video. Cheers!
To keep both neg and pos battery post clean, I used terminal blocks, only had one cable from terminal block to battery post. Also, you may consider investing in a solar panel and charge controller. Controller controls the charge; it ensures that the batteries dont over charge, indicate when batteries are low, also keeps system from losing power at night.
(No reverse draw)
First problem, Perko battery switch. Your amplifier(s) will spark when you connect the battery cable because there are capacitors inside that are reenergized when the batteries are connected. Most (90%) amps have 0 current draw when not energized. That is why there is a BLUE wire (remote) from your AM/FM head unit that is used to turn on the amps. There will be a draw on the head unit for the clock & the memory so if you connect BOTH power & acc leads from your radio to the battery switch this will eliminate that problem but it also means you lose all your presets when you turn the battery switch off.
why not just toggle the remote wire
I've found those Perko switches to be extremely difficult to operate, especially because rarely is there easy access to the switch. its almost always up under or behind something and we are lucky if we can even see the label.
If a girl can't operate the selector switch, it may be time to consider another brand.
Do you know if the 2 batteries are connected or isolated when the selector switch is in the OFF position?
When properly wired both batteries will be isolated and the load will be disconnected from them when the switch is off.
@@SolarBurrito thank you!!