Samlex America

Samlex Battery Monitor

SKU: BW-03

The Samlex BW-03 is a panel-mount battery monitor with a 3-digit, 7-segment LED display and a wide 6 VDC to 31 VDC operating range. It uses an advanced micro-controller to track multiple batteries with 0.1V accuracy, plus programmable under- and over-voltage alarms for 12V and 24V systems.

$157.00

or $13.80/mo for 12 mo at 9.96% APR with Affirm.

Available to ship 1 ready to ship

Ships in 1–3 business days.

Delivers in 2–5 business days

Available for pickup

Brought in to Red Deer, AB when you order.

Pickup as early as Mon, Oct 19

— we’ll tell you about drops and promotions.

The Samlex BW-03 is a compact battery monitor designed for 12V and 24V systems, giving reliable at-a-glance voltage readings on a 3-digit, 7-segment LED display. Operating from 6 VDC to 31 VDC with 0.1V display accuracy, it uses an advanced micro-controller to monitor multiple batteries and includes programmable under-voltage and over-voltage alarms. Housed in anodized aluminum with a polycarbonate top label, it panel-mounts neatly into any dashboard or enclosure.

Key Features:

  • 3-digit, 7-segment LED display, 0.1V accuracy
  • Voltage rating 6 VDC to 31 VDC
  • Multiple battery monitoring via micro-controller
  • 12V under-voltage alarm, default 10.8V
  • 24V under-voltage alarm, default 21.6V
  • Alarm output open drain, 500 mA maximum
  • Power save current consumption below 0.1 mA
  • Terminal block for AWG #18 to 20 wire
  • Anodized aluminum housing, 2.4 x 2.4 x 0.8 in
  • CE Marked, RoHS Compliant, 2-year warranty

Ideal for RVs, marine, off-grid, and backup power systems running 12V or 24V battery banks. Its panel-mount design with a 55 mm mounting hole and low 8 mA standby draw suits permanent dashboard or enclosure installation where continuous battery voltage monitoring is needed. Order the BW-03 (also listed as BW03) from Circuit Solar, in stock in Canada and shipped from Red Deer, AB.

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