How To Charge Boat Battery Without Electricity

Consequently i need to run the genny for 3 to 4 hours a day to charger the battery back up.

How to charge boat battery without electricity. You must be careful to match your generators output with the chargers capacity. There should only be a couple of power cables coming directly from the battery. My little yammy will barely push my 12 amp charger. Let s consider first a smaller boat one with a cranking battery and a single deep cycle battery like might be used with a 12v minn kota powerdrive or edge trolling motor.

There should be a power cable going to the battery switch. Now hopefully there is a battery switch somewhere in the boat. A smart multi stage onboard boat battery charger is meant to deliver fuller and faster charge which eventually mean higher available capacity longer life and less loss of electrolyte for wet batteries for your battery. The only thing i would have done different is buy a generator with a higher output to handle a bigger charger.

The first type of charge controller is the pulse width modulation charge controller otherwise known as a pwm controller. On your charger select a charge rate up to 20 percent of your battery s amp hours which is how batteries are rated. This is why on board chargers are gaining in popularity. When the battery s acceptance declines to two to four percent of c the voltage is reduced to 13 4 volts gel.

13 8 volts to maintain the battery without losing electrolyte from the cells. How to charge a marine battery fast. Use your computer as a power source. The second type of charge controller is the maximum power point tracking charge controller.

There are two types of charge controllers for people to choose from. With two batteries in the boat the owner would select a 2 bank battery charger. This stage is used to prevent flooded lead acid batteries from aging prematurely and is an optional frequently omitted phase. A charge controller helps to keep the battery from overcharging.

This is a maintenance phase not a charging phase. Using a portable marine battery charger requires more effort. For example if you re planning to charge a bigger device such as a laptop you ll likely need one with a larger battery to fully charge the device in a power outage. The best chargers also add a float phase where the charge voltage is cut and used to maintain a fully charged battery until you need the power.

Then there could be a battery charger lead. A power cable with a fuse on it going to the bilge pump float switch. If you choose more your battery could overheat. Using a smart multi stage charger also lessens the risk of over charging and destroying sealed batteries.

The on board wired in charger only need to be connected to an 110 volt electrical outlet for charging.