Marpac Battery Selector Switch
- Select from battery bank 1, battery bank 2 or both for charging or emergency starting.
- Can be mounted on or behind a panel.
- Rated at 300 amps.
- Copper studs for maximum conductivity.
- Nickel plated studs for maximum corrosion resistance.
- Longer studs for attaching more cable terminals.
- Uses up to 4/0 AWG battery cables.

![Victron M8 Circular Connector 3-Pole BMS BTV Extension Cables - Pair - 1M [ASS030560100]](https://www.sailrepairworks.com/wp-content/uploads/2026/10/victron-m8-circular-connector-3-pole-bms-btv-extension-cables-pair-1m-ass0305601.webp)




![Victron Non-Inverting Remote On-Off Cable [ASS030550220]](https://www.sailrepairworks.com/wp-content/uploads/2026/10/victron-non-inverting-remote-on-off-cable-ass030550220.webp)

