Rich Solar

500 Amp Battery Monitor with Shunt - 8-120V Battery Status Meter

SKU: RS-BM500 No reviews yet
$79.99$99.99 MSRP Save $20.00 (20%)
500A shunt8–120V battery range±1.0% accuracy25 ft shielded cable1mA standby draw

Ships from Rich Solar's U.S. warehouse

Option: Battery Monitor
  • 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.

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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.

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Warranty

Rich Solar's warranty page covers products not listed in its schedule, including battery monitors, with a 1-year warranty.

Read Rich Solar's full warranty terms

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Overview

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.

RVMarineOff-Grid
500AShunt current range
8–120VBattery voltage range
±1.0%Voltage, current and capacity accuracy
1mAStandby current
RS-BM500 display lit, showing Ah, percentage, voltage, amps and watts
Monitoring

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
RS-BM500 wiring diagram: shunt on the battery negative, B+ wire to the battery positive, shielded cable to the remote display
Installation

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)
Metal bezel fitted around the battery monitor display for a flush finish
Option

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 range8–120V
Current range0–500A
Capacity setting range0.1–9999Ah
Voltage accuracy±1.0%
Current accuracy±1.0%
Capacity accuracy±1.0%

Power & display

Working current10mA
Standby current1mA
Backlight current80mA
Display showsVoltage, amps, watts, remaining Ah, percentage, remaining time, charge/discharge
AlarmAudible, at a set minimum Ah value

Installation

Shunt locationBattery negative, close to the battery
Display cut-out3.70 × 2.24 in (94 × 57 mm)
Display connection25 ft (8 m) shielded cable
Operating temperature14°F to 140°F

Package & warranty

Package dimensions8 × 6 × 3 in
Gross weight2 lb
Optional metal bezelRS-BM500BZ
Warranty1-year
Model / SKURS-BM500

What's in the box

Package contents as listed by Rich Solar.

1×
Remote displayModel RS-BM500
1×
500A shunt
1×
Shielded cable25 ft (8 m)
1×
B+ wire3.3 ft (1 m)

Documents & certificates

Official files from Rich Solar.

RS-BM500 quick start guide and specificationsPDF · Rich Solar · January 2025
Download
RS-BM500 user manualPDF · Rich Solar · October 2026
Download
Rich Solar limited warrantyWeb page · richsolar.com
View terms

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.