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 27V, 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 1A 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.
| Battery Monitor | BMV-700 | BMV-702 | |
| Supply voltage range | 6.5-95 VDC | 6.5-95 VDC | |
| Current draw, back light off | Less than 4mA | Less than 4mA | |
| Input voltage range, auxiliary battery | n.a. | 6.5-95 VDC | |
| Battery capacity (Ah) | 20-9999 Ah | ||
| Operating temperature range | -40…..+50 degree | ||
| Measures voltage of second battery, or temperature, or midpoint | No | Yes | |
| Temperature measurement range | -20…..+50 degree | ||
| Relay | 60V/ 1A normally open (function can be inverted) | ||
| Resolution & Accuracy (with a 500A shunt) | |||
| Current | ±0.01 | ||
| Voltage | ±0.01 | ||
| Amp hours | ±0.1Ah | ||
| State of charge (0-100%) | ±0.1% | ||
| Time to go | ±1 min | ||
| Temperature (0-50 Degree or 30-120F) | n.a. | ±1 | |
| Accuracy of current measurement | ±0.4 | ||
| Accuracy of voltage measurement | ±0.3 | ||
| Installation & Dimensions | |||
| Installation | Flush mount | ||
| Front | 69*69mm (2.7*2.7 inch) | ||
| Body diameter | 52mm | ||
| Body depth | 31mm (1.2 inch) | ||
| Standards | |||
| Safety | EN 60335-1 | ||
| Emission / Immunity | EN 55014-1 / EN 55014-2 | ||
| Automotive | ECE R10-4 / EN 50498 | ||
| Accessories | |||
| Shunt (included) | 500A / 50mV | ||
| Cable (included) | 10 meter 6 core UTP with RJ12 connectors, And cable with fuse for "+" connection | ||
| Temperature sensor | Optional (ASS000100000) | ||
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