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![Blue Sea 9630 AC Analog Ammeter 0-50 Amperes AC [9630]](https://www.marinefree.com/wp-content/uploads/2025/4/1745576304/blue-sea-9630-ac-analog-ammeter-0-50-amperes-ac-9630-1745576307.webp)
$42.33
$84.66
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$84.50
$169.00
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$94.50
$189.00
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$65.70
$219.00
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![Dual Pro Battery Fuel Gauge - Marine Dual Read Battery Monitor - 12V/36V System - 15 Battery Cable [BFGWOM1536V/12V]](https://www.marinefree.com/wp-content/uploads/2025/4/1745576585/dual-pro-battery-fuel-gauge-marine-dual-read-battery-monitor-12v-36v-system-15-battery-cable-bfgwom1536v-12v-1745576589.webp)
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![Dual Pro Lithium Battery Gauge - Single - Rectangle Vertical Display [BFGVLITH]](https://www.marinefree.com/wp-content/uploads/2025/4/1745576815/dual-pro-lithium-battery-gauge-single-rectangle-vertical-display-bfgvlith-1745576819.webp)
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![Maretron MConnect Vessel Monitoring Control Web Server [WSV100-01]](https://www.marinefree.com/wp-content/uploads/2025/4/1745576566/maretron-mconnect-vessel-monitoring-control-web-server-wsv100-01-1745576570.webp)
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![Mastervolt BattMan Pro Battery Monitor - 12/24V [70405070]](https://www.marinefree.com/wp-content/uploads/2025/4/1745576854/mastervolt-battman-pro-battery-monitor-12-24v-70405070-1745576858.webp)
$99.00
$343.78
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![Paneltronics Analog AC Voltmeter - 0-150VAC - 2-1/2" [289-003]](https://www.marinefree.com/wp-content/uploads/2025/4/1745576330/paneltronics-analog-ac-voltmeter-0-150vac-2-1-2-289-003-1745576334.webp)
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![Paneltronics Digital AC Voltmeter- 10-250VAC [570-003B]](https://www.marinefree.com/wp-content/uploads/2025/4/1745576313/paneltronics-digital-ac-voltmeter-10-250vac-570-003b-1745576317.webp)
$79.98
$159.95
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![Samlex Dual Battery Monitor - 12V or 24V - Auto Detection [BW-03]](https://www.marinefree.com/wp-content/uploads/2025/4/1745576548/samlex-dual-battery-monitor-12v-or-24v-auto-detection-bw-03-1745576552.webp)
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![Sea-Dog OLED Voltmeter - Round [421600-1]](https://www.marinefree.com/wp-content/uploads/2025/4/1745576702/sea-dog-oled-voltmeter-round-421600-1-1745576706.webp)
$29.98
$59.95