Charles sells quality products, services and innovative solutions to telecommunications, utility, government, and industrial markets worldwide. Charles is proud of its Midwest manufacturing roots that position it to effectively compete in an ever-changing marketplace. Over the years, Charles has successfully balanced growth through innovative and cost-effective engineering and manufacturing, and over 25 strategic acquisitions.
We offer flat rate shipping and can help you locate hard to find items or we can recommend alternatives.
Call us today at 1-414-254-1559 for personalized service and help locating / replacing hard to find marine electrical equipment.
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HQ Series Battery ChargerMarine UL Battery Chargers that meet ABS and USCG requirements for megayacht and workboat fleets around the world. 85 Amp ...
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HQ Series Battery ChargerMarine UL Battery Chargers that meet ABS and USCG requirements for megayacht and workboat fleets around the world. 55 Amp ...
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HQ Series Battery ChargerMarine UL Battery Chargers that meet ABS and USCG requirements for megayacht and workboat fleets around the world. 35 Amp ...
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Automatic Starter Switch and Battery CombinerThere is no worse end to a fishing trip than discovering a discharged battery when you are ready to ca...
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InCharger Programmable Battery ChargersIndustrial & Workboat Battery ChargerThe InCharger is a rugged, state-of-the-art industrial and workboat...
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InCharger Programmable Battery ChargersIndustrial & Workboat Battery ChargerThe InCharger is a rugged, state-of-the-art industrial and workboat...
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InCharger Programmable Battery ChargersIndustrial & Workboat Battery ChargerThe InCharger is a rugged, state-of-the-art industrial and workboat...
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These marine UL listed chargers use self-regulating ferroresonant transformers devoid of any complicated switching circuits to charge up to three b...
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These marine UL listed chargers use self-regulating ferroresonant transformers devoid of any complicated switching circuits to charge up to three b...
View full detailsIso-Boost 90° Strain Relief KitCharles Strain Relief Kit isolates the boat's AC system from shore, protecting valuable electronics and electrical c...
View full detailsAC Master Control Strain Relief KitFeatures: 50 Amp AC Master Control Strain Relief Kit
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Iso-Boost 90° Strain Relief KitFeatures: 100 Amp 24 kVA Iso-Boost 90° Strain Relief Kit
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A-B Selector Strain Relief KitFeatures: 100 Amp A-B Selector Strain Relief Kit
A-B Selector Strain Relief KitFeatures: 30/50 Amp A-B Selector Strain Relief Kit
Straight Strain Relief KitFeatures: 30 Amp 3.6/3.8 kVA Straight Strain Relief Kit
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Iso-Boost Straight Strain Relief KitFeatures: 100 Amp 24 kVA Iso-Boost Straight Strain Relief Kit
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Iso-Boost Straight Strain Relief KitFeatures: 50 Amp 6/12 kVA Iso-Boost Straight Strain Relief Kit
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Today boaters are offered a wide variety of onboard electronics and electrical products for their vessels. Many of these products are adversely af...
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Temperature probe for 30, 80, and 100 amp 12 volt models and 50 & 100 amp 24 volt models.
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Today boaters are offered a wide variety of onboard electronics and electrical products for their vessels. Many of these products are adversely af...
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Call for Availabity!
Today boaters are offered a wide variety of onboard electronics and electrical products for their vessels. Many of these products are adversely af...
View full details
Call for Availabity!
Today boaters are offered a wide variety of onboard electronics and electrical products for their vessels. Many of these products are adversely af...
View full details
Call for Availabity!
Today boaters are offered a wide variety of onboard electronics and electrical products for their vessels. Many of these products are adversely af...
View full details
Call for Availabity!
Onboard equipment such as single side-band radios, radar rectifiers, halogen and other lighting systems require a constant DC voltage to operate, y...
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Onboard equipment such as single side-band radios, radar rectifiers, halogen and other lighting systems require a constant DC voltage to operate, y...
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Onboard equipment such as single side-band radios, radar rectifiers, halogen and other lighting systems require a constant DC voltage to operate, y...
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Call for Availabity!
Onboard equipment such as single side-band radios, radar rectifiers, halogen and other lighting systems require a constant DC voltage to operate, y...
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Call for Availabity!
Onboard equipment such as single side-band radios, radar rectifiers, halogen and other lighting systems require a constant DC voltage to operate, y...
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When properly installed, Charles Marine Isolation transformers will electrically isolate the AC shore power from the boat's AC power system. The b...
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When properly installed, Charles Marine Isolation transformers will electrically isolate the AC shore power from the boat's AC power system. The b...
View full details
Call for Availabity!
When properly installed, Charles Marine Isolation transformers will electrically isolate the AC shore power from the boat's AC power system. The b...
View full details
Call for Availabity!
When properly installed, Charles Marine Isolation transformers will electrically isolate the AC shore power from the boat's AC power system. The b...
View full detailsWhen properly installed, Charles Marine Isolation transformers will electrically isolate the AC shore power from the boat's AC power system. The b...
View full detailsWhen properly installed, Charles Marine Isolation transformers will electrically isolate the AC shore power from the boat's AC power system. The b...
View full details
Call for Availabity!
When properly installed, Charles Marine Isolation transformers will electrically isolate the AC shore power from the boat's AC power system. The b...
View full details