Victron - Battery Monitor BMV-700 [BAM010700000] Blue Smart Chargers IP65 with DC connector - CEE 7/17 Plug There are two sized available:

There are two sized available:

frequency and high quality sine-wave

The EasySolar combines a MPPT Solar Charge Controller

and the VRM portal for real-time monitoring

In addition to this

Victron - Battery Monitor BMV-700 [BAM010700000] Blue Smart Chargers IP65 with DC connector - CEE 7/17 Plug There are two sized available:The BMV 700 is a high precision battery monitor. The essential function of a battery monitor is to calculate ampere hours consumed and the state of charge of a battery. Ampere hours consumed are calculated by integrating the current flowing in or out of the battery. To read more about the full BMV range & accessories, see this blog.