Top 10 Christmas Ideas for Off-Grid Living [Guide]
If someone in your life is an outdoor enthusiast, an avid traveler, a DIY tinkerer, or an eco-conscious innovator, you've just found their next meaningful Christmas gift. Below, we've gathered...
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500A Battery Monitor with Shunt/Sampler (Coulomb meter) is backordered and will ship as soon as it is back in stock.

The backlight will automatically shut down when the charging current is <100mA and only 1 mA Standby Dissipation. This battery monitor is equipped with data storage capacity. It automatically saves the last testing data when its power is off.

This monitor gives you high precision current detection and accurate battery state of charge. You can also set an alarm for high or low current voltage. When the alarm is activated, the backlight and voltage value will be shown on the screen to alert you on what to do when you reach the cut-off voltage.

The package includes the LCD interface, 500A shunt, transparent shunt holder, 20 ft shielded wire, and B+ wire. The shunt holder makes it very convenient to mount the shunt while the long shielded wire allows you to monitor the status of your battery from a distance.


It is of extreme importance to achieve accurate predictions of the remaining battery lifetime under various operating conditions. With the Renogy New Battery Monitor (RBM500-G3), you will be able to monitor the battery degradation to ensure reliable operation and timely maintenance.

LCD Interface
500A Battery Monitor
Shielded Wire
B+ Wire
Shunt Holder
Operation Specifications
Mechanical Specifications
Warranty