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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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...
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...
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...
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...
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...
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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 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
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!
Call for Availabity!
Call for Availabity!
Easy to install and use, operational status is indicated by four lights on the unit, and low-voltage bypass switch provides simple positive user co...
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Call for Availabity!
Easy to install and use, operational status is indicated by four lights on the unit, and low-voltage bypass switch provides simple positive user co...
View full details
Call for Availabity!
All Charles Battery Isolators are ignition protected and prevent over-charging. They feature a heat chamber design, protective boots on heavy-duty...
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Call for Availabity!
All Charles Battery Isolators are ignition protected and prevent over-charging. They feature a heat chamber design, protective boots on heavy-duty...
View full details
Call for Availabity!
All Charles Battery Isolators are ignition protected and prevent over-charging. They feature a heat chamber design, protective boots on heavy-duty...
View full details
Call for Availabity!
All Charles Battery Isolators are ignition protected and prevent over-charging. They feature a heat chamber design, protective boots on heavy-duty...
View full details
Call for Availabity!
All Charles Battery Isolators are ignition protected and prevent over-charging. They feature a heat chamber design, protective boots on heavy-duty...
View full details
Call for Availabity!
All Charles Battery Isolators are ignition protected and prevent over-charging. They feature a heat chamber design, protective boots on heavy-duty...
View full details
Call for Availabity!
All Charles Battery Isolators are ignition protected and prevent over-charging. They feature a heat chamber design, protective boots on heavy-duty...
View full details