![]() ![]() Here’s how it works at a very basic level.Įlectrical current (Amps) leaving the battery to power your gear is subtracted from the available battery capacity. The control unit takes the current measurements over time and converts them into Amp Hours.įinally, the computed Amp Hours are either added to or subtracted from the available battery capacity. Those measurements are sent in real-time back to the control unit. The shunt measures electrical current as it flows back and forth across it. Here’s an article explaining Amp Hours if you’re not sure what that means. So the battery monitor first needs to know how many Amp Hours of energy your battery bank can store when it’s fully charged. ![]() How Battery Monitors Calculate the State-Of-Chargeĭeep cycle batteries are rated in Amp Hours (Ah). It measures all energy flowing in and out of the battery and passes that data back to the control/display unit. Although we use many courier options, the below NZ Couriers Network Status will give a good indication which regions are experiencing significant freight delaysĪs a general rule, please allow an additional 3 working days for the below estimates (which may be extended by factors outside our control).With most battery monitors, the shunt is a separate device connected between the battery and the rest of the system. Order dispatch and delivery times are being impacted by workforce sickness and isolation requirements for staff throughout our team and our supply chain. Our automated online freight pricing only applies to North & South Island locations.ĭELIVERY TIMES Due to the current outbreak, we are experience some disruptions to our normal service. Waiheke, Great Barrier, Stewart Islands), please contact us for a freight quote. WE ONLY SEND ORDERS WITHIN NEW ZEALAND. If the delivery address is outside the North or South Islands (eg. If the delivery address is outside the North and South Islands (eg. In this case, we will endeavor to offer a subsidized freight cost. * We reserve the right to revise the free delivery offer on some bulky items (for example, a large fridge travelling to Te Anau). Includes 500A shunt, RJ12 connection cable (10m) and battery cable with fuse (2m).įOR ORDERS OVER $399 VALUE: Free Delivery * Temperature measurement range -20 to +50 degrees celcius Operating temperature: -40 to +50 degrees celcius Low current consumption: 2.9Ah per month (4mA) and 2.2Ah per month (3mA) 24V High current measurement resolution: 10 mA (0,01A) Stores a wide range of historical events, which can be used to evaluate usage patterns and battery health Shunt selection capability up to 10.000 Amps Programmable relay, to turn off non-critical loads or to run a generator when neededĥ00 Amp quick connect shunt and connection kit Measures remaining time at the current rate of dischargeĪdditional input which can be programmed to measure the voltage of a second battery, battery temperature or midpoint voltage Measures battery voltage, current, power, ampere-hours consumed and state of charge The shunt connects to the monitor with a standard RJ12 telephone cable. The BMV-702 is also easy to install, all electrical connections are made to the quick connect PCB on the current shunt. The BMV-702 uses a complex algorithm to take all these factors into account. ![]() The remaining battery capacity depends on the ampere-hours consumed, discharge current, temperature and the age of the battery. It has a battery 'fuel gauge', time to go indicator and much more. It measures multiple parameters for one battery bank via a 500 amp shunt. The Victron BMV-702 Battery Monitor is highly accurate and easy to install.
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