Designed and perfected over 35 years, the Trimetric Battery Monitor is often the benchmark against which other monitors are compared.
Crisp, visible in full sun. Won't ruin your night vision. Legible from across the room.
Monitor from anywhere on your property — not just arm's length. WiFi, not Bluetooth.
Free account at wf2030.bogartengineering.com. No subscription. Check your batteries from anywhere.
The SC-2030 + TM-2030 repay your battery's full debt — principal plus interest. Voltage-only chargers guess. Ours calculates.
Designed, manufactured, and supported in the USA since 1989. Every unit tested before it ships.
Call or email the people who designed it. No scripts, no call centers, no tickets.
Everything pre-matched and tested. Choose your monitor style and shunt size at checkout.
100A shunt for systems under 100A continuous. 500A for most RV & off-grid. 1000A for large lithium banks. Order shunt separately →
The WF-2030 gives you a real web portal at wf2030.bogartengineering.com — accessible from any browser, anywhere on earth. No Victron VRM cloud account. No subscription fees. No app to install. Updates every 60 seconds automatically.
Live readings of everything your TM-2030 measures:
Bestseller
Shunt-based coulomb counting. True accuracy. RV wall-mount or panel flush-mount.
100+ pre-programmed battery brand profiles. Pairs with TM-2030 for complete intelligent charging control.
Worldwide Portal
Monitor your batteries from anywhere in the world. No subscription. No Victron VRM account needed.
Solve the #1 RV complaint — shore chargers that don't charge your batteries properly. Fully programmable, controlled by TM-2030.
Precision shunts matched to the TM-2030. Required for installation — choose the right size for your system.
Pre-made harness for connecting TM-2030, SC-2030 and WF-2030. Includes fuse holder.
The most trusted battery monitor for full-time RVers who can't afford a dead bank at 2am.
Know exactly how much solar you're storing — critical for remote living without grid backup.
Accurate monitoring when your safety depends on your electrical system.
Compact, accurate, and built to last. Trusted by serious builders who hate replacing gear.
Maximize self-sufficiency with granular charge tracking and solar optimization.
Know your backup is ready when the grid goes down — not a voltage guess.
"The TM-2030 has been GREAT over some years of use."
"I have the SC-2030 and TM-2030... It has been working flawlessly for over 5 years."
"Their customer service is beyond compare. They will actually answer not only your email but your phone calls."
"Worth every penny and does a phenomenal job."
"Thank you so much for the tech who understood my issue... and for the exceptional customer service."
"Great product and great support. Did my travel trailer with Bogart a few years ago. Works great!"
35 years of precision battery monitoring. Made in the USA. Backed by the engineers who designed it.