Victron Battery Balancer and Battery Monitor for Off-Grid Solar

£59.90 excl. VAT - 5-9 days lead

Victron Energy
  • Input voltage range: Up to 18V per battery, 36V total
  • Midpoint deviation to start balancing: 50 mV
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Description

Buy Victron Battery Balancer and Battery Monitor for Off-Grid Solar

The problem: the service life of an expensive battery bank can be substantially shortened due to state of charge unbalance

One battery with a slightly higher internal leakage current in a 24V or 48V bank of several series/parallel connected batteries will cause undercharge of that battery and parallel connected batteries, and overcharge of the series connected batteries. Moreover, when new cells or batteries are connected in series, they should all have the same initial state of charge. Small differences will be ironed out during absorption or equalize charging, but large differences will result in damage due to excessive gassing (caused by overcharging) of the batteries with the higher initial state of charge and sulphation (caused by undercharging) of the batteries with the lower initial state of charge.

The Solution: battery balancing

The Battery Balancer equalizes the state of charge of two series connected 12V batteries, or of several parallel strings of series connected batteries. When the charge voltage of a 24V battery system increases to more than 27,3V, the Battery Balancer will turn on and compare the voltage over the two series connected batteries. The Battery Balancer will draw a current of up to 0,7A from the battery (or parallel connected batteries) with the highest voltage. The resulting charge current differential will ensure that all batteries will converge to the same state of charge.
If needed, several balancers can be paralleled. A 48V battery bank can be balanced with three Battery Balancers.

LED indicators

Green: on (battery voltage > 27,3V)
Orange: lower battery leg active (deviation > 0,1V)
Orange: upper battery leg active (deviation > 0,1V)
Red: alarm (deviation > 0,2V). Remains on until the deviation has reduced to less than 0,14V, or until system voltage drops to less than 26,6V.

Alarm relay

Normally open. The alarm relay closes when the red LED switches on and opens when the red LED switches off.
Alarm reset
Two terminals are available to connect a push button. Interconnecting the two terminals resets the relay.
The reset condition will remain active until the alarm is over. Thereafter the relay will close again when a new alarm occurs.

Even more insight and control with the midpoint monitoring function of the BMV-702 Battery Monitor

The BMV-702 measures the midpoint of a string of cells or batteries. It displays the deviation from the ideal midpoint in volts or percent. Separate deviation percentages can be set to trigger a visual/audible alarm and to close a potential free relay contact for remote alarm purposes. Please see the manual of the BMV-702 for more information about battery balancing

ESS Energy Storage Webinar by Victron Specialist

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Victron Energy B.V. designs and sells power solutions for automotive, industrial, marine, mobility, off-grid, and telecom markets. Its products include inverters, chargers, inverter/chargers, isolation transformers, autotransformers, battery monitors, batteries, panels and system monitoring products, DC distribution systems, transfer switches, cables, battery isolators and combiners, DC/DC converters, battery protection products, multipower products, solar products, solar charge controllers, and solar inverters and panels. The Company was founded in 1975 and is based in Almere Haven, the Netherlands. Join our ZERO Home Bills CommunityThe BEST Off-Grid Solar Products from Victron Energy at BEST Prices for ZERO Home Bills on ZEROhomebills.com by Solaranna. 

Related links to the Victron Battery Balancer and Battery Monitor for Off-Grid Solar :

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Additional information

Weight 0.400 kg
Dimensions 10 × 4.7 × 11.3 cm
Product Category

Solar Accessories and Mounting, Battery Balancer, Battery Inverters and Chargers, Battery Monitoring, Display and Monitoring, Monitoring, SOLAR PHOTOVOLTAIC (PV)

Brand

Victron

Rating

12 V, 24 V, 48 V, 24V, 48V

Rated Power (W/kW)

3 kW

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Victron Energy B.V. designs and sells power solutions for automotive, industrial, marine, mobility, off-grid, and telecom markets. Its products include inverters, chargers, inverter/chargers, isolation transformers, autotransformers, battery monitors, batteries, panels and system monitoring products, DC distribution systems, transfer switches, cables, battery isolators and combiners, DC/DC converters, battery protection products, multipower products, solar products, solar charge controllers, and solar inverters and panels. The Company was founded in 1975 and is based in Almere Haven, the Netherlands. Join our ZERO Home Bills CommunityThe BEST Off-Grid Solar Products from Victron Energy at BEST Prices for ZERO Home Bills on ZEROhomebills.com by Solaranna. 

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