Battery Optimizer

Settings

Terminal SoC valuation Custom terminal price

c€/kWh

Total cost: — c€

Status: Initializing…

Data

Current SoC (%) Step (min) Start time

First slot timestamp. Filled automatically when loading from VRM.

Time series (comma or whitespace separated)

Load (W) PV (W) Import price (c€/kWh) Export price (c€/kWh)

System settings

Battery capacity (Wh) Battery cost (c€/kWh) Min SoC (%) Max SoC (%) Maximum charge speed (W) Maximum discharge speed (W) Max grid import (W) Max grid export (W) Charge efficiency (%) Discharge efficiency (%)

Victron VRM

Enter your VRM site id and API token. The token is stored only in this browser and used directly by this page.

Site id API token Proxy base URL

Browsers block direct calls to the VRM API due to CORS. Use a small proxy that forwards requests and adds CORS headers. See how to set up a Cloudflare Worker proxy or use the default.

Battery Optimizer

Power flows

Battery SoC

Energy prices

Predicted load and solar

Schedule table