1 / 14Hover to zoom · click to enlarge500 Amp Battery Monitor with Shunt - 8-120V Battery Status Meter
Ships from Rich Solar's U.S. warehouse
- Free shipping, no minimumTo the lower 48 states and Washington, D.C.
- Authorized Rich Solar dealerFull manufacturer warranty and support.
- 1-year warrantyBacked by Rich Solar.
- 30-day returnsOn new, unused items.
Shipping & handling
- Orders are processed within 1–3 business days.
- Parcel items typically arrive 3–7 business days after shipping. Freight items (panels, batteries, inverters and kits) typically arrive 5–14 business days after shipping.
- Rich Solar and SunGoldPower products ship free to the lower 48 states and Washington, D.C., with no minimum. Lensun shipping is based on weight and shown at checkout.
- Freight deliveries need an appointment and a signature, and are delivered curbside.
Returns & refunds
Request a return within 30 days of delivery. Items must be new, unused, not installed, and in their original packaging.
- Contact us first for a Return Merchandise Authorization (RMA). Returns sent without one are refused.
- For a change-of-mind return, you pay return shipping and a 15% restocking fee is deducted from your refund.
- Damaged on arrival? Report it within 3 business days of delivery and we arrange a replacement or full refund.
Warranty
Rich Solar's warranty page covers products not listed in its schedule, including battery monitors, with a 1-year warranty.
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A 500A shunt battery monitor for 8–120V systems
The RS-BM500 is Rich Solar's battery monitor with a 500A shunt for 8–120V battery systems. Its remote display shows voltage, current, power, remaining capacity, percentage and remaining time, with ±1.0% voltage, current and capacity accuracy.
The shunt mounts close to the battery on the negative side, and the display flush-mounts in a 3.70 × 2.24 in wall cut-out. A 25 ft shielded cable and a 3.3 ft B+ wire are included, and an audible alarm can be set for a minimum Ah value. A metal bezel is available as a separate option.

Battery status at a glance
The remote display shows battery voltage, current, power, remaining capacity, percentage and remaining time.
- ±1.0% voltage, current and capacity accuracy
- Works with 8–120V battery systems
- Audible alarm at a set minimum Ah value

Installation and wiring
The 500A shunt mounts close to the battery on the negative side, and the remote display mounts on a wall.
- Battery negative connects only to the shunt's B- side
- Included B+ wire and shielded cable
- Display cut-out 3.70 × 2.24 in (94 × 57 mm)

Optional metal bezel
A metal bezel (model RS-BM500BZ) is offered as a separate option to frame the remote display.
- Sold as a separate variant on this page
Specs, images and product claims on this page come from Rich Solar's RS-BM500 product page, quick start guide and user manual. Last checked Oct 30, 2026.
Specifications
From Rich Solar's published specifications for model RS-BM500.
Measurement
| Battery voltage range | 8–120V |
|---|---|
| Current range | 0–500A |
| Capacity setting range | 0.1–9999Ah |
| Voltage accuracy | ±1.0% |
| Current accuracy | ±1.0% |
| Capacity accuracy | ±1.0% |
Power & display
| Working current | 10mA |
|---|---|
| Standby current | 1mA |
| Backlight current | 80mA |
| Display shows | Voltage, amps, watts, remaining Ah, percentage, remaining time, charge/discharge |
| Alarm | Audible, at a set minimum Ah value |
Installation
| Shunt location | Battery negative, close to the battery |
|---|---|
| Display cut-out | 3.70 × 2.24 in (94 × 57 mm) |
| Display connection | 25 ft (8 m) shielded cable |
| Operating temperature | 14°F to 140°F |
Package & warranty
| Package dimensions | 8 × 6 × 3 in |
|---|---|
| Gross weight | 2 lb |
| Optional metal bezel | RS-BM500BZ |
| Warranty | 1-year |
| Model / SKU | RS-BM500 |
What's in the box
Package contents as listed by Rich Solar.
Documents & certificates
Official files from Rich Solar.
Customer reviews
Reviews from Sun Energy Depot customers, collected by Judge.me.
Pairs well with
Other parts you may need for a 500 Amp Battery Monitor with Shunt setup.
