ProMariner ProSportHD 12 Gen 4 - 12 Amp - 2 Bank Battery Charger [44012] Cartography | Garmin BlueChart This product requires a 1"

This product requires a 1" hole to mount

Seal Kit f/2200 & 3500 Series Windlass Gearboxes

Connection:1-1/3" and 1-1/4"

Add sonar to your boat's marine instrumentation capabilities

Computer generated parts precision-cut from aerospace grade stainless steel plate

ProMariner ProSportHD 12 Gen 4 - 12 Amp - 2 Bank Battery Charger [44012] Cartography | Garmin BlueChart This product requires a 1"ProSportHD 12 Gen 4 12 Amp 2 Bank Battery Charger ProSportHD Generation 4 boasts a tri surface heatsink design. This heavy duty lightweight design delivers significantly faster charging through optimal cooling, while delivering true rated amp output during charge mode. ProSportHD's enhanced microprocessor and software provides digital features including: fuel gauge style Charge Completion Monitor, Charge Mode, individual Fault indicators and three