Description
Today boaters are offered a wide variety of onboard electronics and electrical products for their vessels. Many of these products are adversely affected by spikes or surges of voltage. On land we protect valuable electronics such as computers with surge protectors. Charles has designed surge protection devices specifically for onboard marine use. These products protect the AC and DC systems. A third protection device protects against EMI interference.
Features:
![Guest On-Board Battery Charger 5A / 12V - 1 Bank - 120V Input [2708A]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744960938/guest-on-board-battery-charger-5a-12v-1-bank-120v-input-2708a-1744960942.webp)
![Samlex 80A Battery Charger - 12V - 2-Bank - 3-Stage w/Dip Switch Lugs - Includes Temp Sensor [SEC-1280UL]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744960925/samlex-80a-battery-charger-12v-2-bank-3-stage-w-dip-switch-lugs-includes-temp-sensor-sec-1280ul-1744960929.webp)
![Guest On-Board Battery Charger 10A / 12V - 1 Bank - 120V Input [2710A]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744960938/guest-on-board-battery-charger-10a-12v-1-bank-120v-input-2710a-1744960942.webp)
![Guest On-Board Battery Charger 30A / 12V - 3 Bank - 120V Input [2731A]](https://www.boatsvatfree.com/wp-content/uploads/2025/4/1744960938/guest-on-board-battery-charger-30a-12v-3-bank-120v-input-2731a-1744960942.webp)
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