![]() ![]() The battery monitor should now show a SOC of 95%. After one hour 5Ah is added back to your remaining capacity. Now let’s put a 5 Amp charge back in your battery. If you draw 10 Amps from your battery for one hour (10Ah), the SOC should read 90% (or 90Ah) remaining. Charge current coming back in from a battery charger or solar is ADDED to the available battery capacity.ĮXAMPLE: A 100Ah battery charged to 100% has a 100Ah of available capacity. 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. For 48V systems it is less expensive than the TM-2020 because it does not require an extra 48 volt adapter.With most battery monitors, the shunt is a separate device connected between the battery and the rest of the system. It is about typically about $15 more than the TM-2020.It is easier to view and enter programmed parameters.The newer TM-2030 includes better lightning protection compared with the TM-2020.(For the technically knowledgeable only) The TM-2030 has a serial data output of all the “real time” data-which could be used to access data for other control or output in, for example OEM applications.The TM-2030 has a “simplified” level of operation suitable for most users, but can be configured for more flexibility (and complexity) where occasionally required.The TM-2030 can also monitor the voltage only of a second battery, such as a starting battery, or possibly also the input voltage of a solar array (if less than 100 volts.).This also provides lightning protection for the TM-2020. The TM-2020 will operate with 12 or 24 V systems, but requires the addition of the “TM-48VA” Adapter and lightning protection board when using it with 48V battery systems. The TM-2030 will operate with (nominal) battery systems from 12 to 48V.The TM2030 has some minimal data logging, which can be useful for a technician to diagnose some common setup or operational problems with battery systems.The TM2030 is easier for you to program the necessary system parameters. How many days since the batteries were fully charged: to remind you to not wait too long between fully charging your batteries to maximize their life.Energy going in, or out of your batteries, measured in amps or watts, so you can see that your charging sources are charging properly, or how much current your loads are using.Volts of the batteries, for example to check that they are being charged at proper voltage.“Percent Full” (“State of charge”) of your batteries, so you can see if you need to charge them more, or check that overall usage is less than your charging resources.They will help you maintain your batteries.Īll m odel s are designed to monitor the following: The TriMetric is used to monitor battery systems used in remote homes, RVs or boats that have batteries that store solar, wind, or possibly generator powered chargers. Our older models ( TM-2025 and TM-2020 ) are still supported. TriMetric TM-2030 is available in two models: TM-2030-RV and TM-2030-A. It is a standalone monitor, but it can also work in tandem with our new SC-2030 charge controller for optimized battery life, capacity use and efficiency. The TriMetric TM-2030 is our new battery monitor. ![]()
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