![]() This lights Yellow LED indicating over charge. If the battery voltage exceeds 15 volts, Zener diode ZD2 also conducts and T2 forward bias. The Green LED connected to the collector of T1 lights indicating normal voltage. ![]() If the voltage is between 12 volt and 14 volts, Zener diode ZD1 forward bias and T1 conducts. When the battery voltage is less than 11 volts, Zener diodes ZD1 and ZD2 cease to conduct and Red LED only lights indicating low battery condition. The circuit is a Zener controlled transistor switch lighting three LEDs Red, Green and Yellow to show battery states like Low, Normal and High. Similarly if the terminal voltage exceeds above 14 volts, battery will be destroyed. If the battery voltage reduces below 10 volts for long period, battery will not accept any charging current. The terminal voltage of the Lead Acid battery should be with in the range of 12.5 to 13.5 volts. Overcharge as well as under charge will reduce the battery life. Battery charge should be constantly monitored to increase the life of the battery. Shop online now for fast delivery Australia wide.Here is a simple Battery Monitor circuit for a quick check of 12 volt Lead-Acid Battery. If you want to take care of your batteries, extend their lifetime and save money investing in a meter or monitor as part of your system is undoubtedly the way to go. With a high end monitor, you no longer have to manually determine your power use, so it’s easy to assess the load on your system and prevent harmful battery discharge or failure. A “fuel gauge” status bar shows your remaining power, while a “power measurement” function (voltage times current) instantly calculates watts. One of the earliest rechargeable batteries the nickel-iron battery was favored by Edison for use in electric cars. If you’re running lights, fridges or a compressor off your battery, these high-end monitors place incredibly useful information at your fingertips. High-end monitors such as the VICTRON BMV 700 are driven by powerful microprocessors and super-accurate shunt technology, and deliver precision monitoring using a simple push button display. If you want to remove all guesswork from the picture, then a top of the line monitor that’s packed with features can be the ultimate battery monitor and the best option to suit your needs. They also monitor12 or 24 volts and have a compact surface mount design that provides a two line LCD 3 digital display with an on/off back light. These give you a flexible range of combinations to choose from – Volt/Amp, Volt/Volt and Amp/Amp – which means finding one to suit your needs is no problem. Features like this can be seen in products such as the Baintech Surface/Flush Mount LCD DC Volt Meter.įor a more versatile meter you can consider Volt and Amp Meters such as the Baintech Volt and Amp Meter. Another couple of features that go a long way to ensuring you maintain control is a built-in low voltage alarm, which alerts you to poor battery performance and reverse polarity protection which helps prevent damaging your gear. Features such as these mean you will have no dramas monitoring your battery’s power load. Look for a Volt Meter that offers a big, bright and easy-to-read LED display, such as the Baintech LED DC Volt Meter Rectangle. If you want an inexpensive, easy-to-install option, this is the one to choose. But, where should you start?Ī DC 12V Volt Meter will give you an accurate reading of the current voltage on your battery. ![]() IOS/Android Car Battery Tester BTMobile Lite 12V Analyzer - Picture 1. ![]() From simple and inexpensive DC 12V Meters to Volt/Amp Meters or a battery monitor with all the bells and whistles, there’s plenty of options to suit your needs and price tag.īainbridge Technologies has Australia’s largest range of battery meters and monitors: single meters, double meters, surface and flush mount, even embedded in power panels to give you the versatility of sockets. Secure Car Battery Tester The reverse-polarity protection design and fireproof. ![]() From the Kimberly to Fraser Island, it doesn’t matter if you’re long range touring, or taking a weekend break, a flat or deeply discharged battery will ruin your plans and hit your back pocket.īy monitoring your power use you can easily avoid the hassle of a drained battery. ![]()
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