It is obvious that AGM batteries have become best common batteries for boats over the past few years. This is because AGM batteries are high current, low maintenance, durable with very affordable costs. However, when you are out on the water all day, you will need the best charge for deep cycle battery to keep your AGM batteries function for long time.
As an angler, I really need the quality charger that perfect for my AGM batteries, so I tested several chargers on the market and listed here the best that won’t harm the batteries and do not overcharge them.
You can check the article about charge for deep cycle battery here, or you can find some helpful information on this website.
#1 NOCO Genius GENM2, 2-Bank, 8-Amp (4-Amp Per Bank) Fully-Automatic Smart Marine Charger
The NOCO Genius GENM2 8 Amp 2-Bank Waterproof are available in several models that range from a 1 bank, 4-amp model up to a 4 bank, 40-amp each model. The charger is designed for 12-volt rechargeable batteries. Not only AGM batteries, this charge also can work with gel, wet and MF batteries with a 20 to 120 Ah capacity.
I really like this charger marine due to its compact size and good performance that can deliver power to your deep cycle battery. When using this charger on the water, you can rest your mind as it offers some safety features such as sparks protection, prevents overcharging, thermal effects, accidental ignition, and reverse polarity effects.
It also offers recovery mode, which help promote the tired batteries for more charges out of them. Generally speaking, NOCO Genius GENM2 is an exceptional charger that charging faster and maintaining the batteries in the optimal operating conditions.
#2 Minn Kota Digital On-Board Battery Chargers
The MinnKota MK 210D On-Board Battery Charger is 2 banks charger that offers 5 amps per bank. It is sophisticate designed product for boat using. It can quick charge your batteries while prevent overcharging them. Minn Kota is the reliable brand that you can trust on.
It is even better for the older batteries as it offers the multiple stages charging process. It also ensures to not overheating the batteries. You will know the batteries status during charging process due to its smart status updates. There is maintenance mode, which will help to keep a battery is always full that’s plugged in for an extended period.
The battery capacity is 10-amp that is devided into 5 amps per bank. The charger cast has been tested to resists corrosion, what makes it ideal for saltwater boating.
You also do not need to worry about overcharge as it features a microprocessor is employed to charging accurately and automatic turn off charging if the battery is full.
#3 STANLEY BC15BS Fully Automatic 15 Amp 12V Bench Battery Charger/Maintainer
The STANLEY BC15BS 15 Amp Bench Battery Charger is not only a charge for deep cycle batteries. It is available in 2 products are 15-amp and 25-amp. The 15-amp that I reviewed here also can provide 40-amps that can be used as the start charger for a vehicle’s engine. That means this battery is not only a charger for boat but also starting device for your engine when your car or boat battery is dead.
It also can works with WET, GEL, or AGM batteries, and 12 volt batteries used in boats. It offers higher frequency setup with three staged charging modes for your batteries are rapid, top-off and trickle.
It also comes with the same features with the two previous options on this list is that it help promote the older, worn batteries can be charge few more times. It may take you 1 minute and 30 seconds to start the engine.
What I like about this charge is that it comes with the useful LCD screen. It will show on the display screen the current amp, battery level, and the status of battery hookup.
Related to charge for deep cycle battery here
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