Current is analogous to speed, it’s the rate at which electricity is flowing. Amps is the flow of current in or out of the battery. Imagine a battery bank at 11.9V, a 100A alternator will get 2 golf cart batteries to 14.4V in little time, conversely a 55A alternator will take hours to get 8 golf carts batteries to 14.4V.Ī = Amps. A good analogy is topping off a pool with water, how quickly it takes for the water level to reach full, depends on the combination of the hose filling the pool and the size of the pool. It’s hard to predict where the voltage will rise, as it depends on the size of your battery bank and the charge rate. For instance, if your batteries were at 12.1V before charging, you will want to see that number increase. When charging, you are looking for an increase in voltage. A 12V battery is 50% discharged at 12.2V assuming there are practically no loads on the battery. A 12V battery is 100% discharged when it reaches 10.5V. For example, an at-rest, fully charged 12V battery bank will show about 12.6V to 12.8V. Voltage is used to assess the approximate state-of-charge and to check for proper charging. Let’s start with the four pieces of information you commonly see on any battery monitor: We have written a number of articles on how battery monitors work but we recently received a request from a boater to interpret his battery monitor while the batteries are being charged from three different sources, the generator, the alternator and shore power. It’s similar to a fuel gauge and speedometer for your house batteries and it really takes the guesswork out of managing your energy consumption. If you don’t have a battery monitor on your boat, we highly recommend having one installed. Come and visit us today, we're open 7 days a week! Alternatively, you can contact us via email or call us on 01634 295 233 and a crew member will be on hand to help.Īll of our orders are shipped via our quick and secure, fully tracked service - with most orders shipped the same working day on a next working day service.Understand Your Battery Monitor While Charging We're not just online either, our Rochester store is one of the largest bricks and mortar chandleries in the UK, with over 10,000 items in stock. That's why we aim to offer an excellent range of marine battery terminals that are only sourced from leading brands, so your investment is the right one. This can make it difficult to choose the right product, especially with the number of choices and volume of information available today. We understand marine electrical systems can be tricky, especially when it comes to battery monitors. Since 1991, we've established an excellent reputation thanks to our excellent customer service and fantastic range of products at great prices - which is why we're rated ' Excellent' on reviews.io! We pride ourselves in providing accurate, specialist advice based on the individual requirements of each customer. #MARINE BATTERY STATUS MONITOR UPDATE#These algorithms continually update the battery monitors performance, so you will never need to re-synchronise the monitor with the battery. Nasa BM-1 Marine Battery Monitors contain two unqiue algorithms - one based on integrating amp hours over charge and discharge cycle, with the other based on an adaptive mathematical battery monitor. This can result in the more efficient use of your marine battery, which can enhance its life and reduce the risk of failure. Marine Battery Monitor - Boat Battery Monitorsīattery Monitors are an extremely handy peice of kit to keep on board as they continuously monitor data including voltage, current, number of amp/hours, state of charge and the time to charge or discharge.
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