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RV Batteries

Plan the energy you need between charging stops, compare AGM and LiFePO4 options, and check how a battery upgrade fits the rest of your RV.

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Use these demonstrations alongside the manuals for your exact equipment and a plan suited to your RV.

Lithium batteries & monitoring

Understand battery protection, track the energy in your bank, and see how a heated battery handles cold weather.

Victron Energy

How to install the Victron Energy SmartShunt IP65

Victron demonstrates where its SmartShunt IP65 connects and how it is configured in VictronConnect. See the monitoring information available on a phone, including state of charge, remaining time and battery history.

Manufacturer installation and setup tutorial for the Victron SmartShunt IP65.

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Terms to know

AGM

Absorbed glass mat, a type of sealed lead-acid battery. Its charging requirements and usable capacity differ from lithium batteries. Check the complete charging system and installation requirements before…

Ah (amp-hour)

A measure of electric charge: one amp flowing for one hour is one amp-hour. Compare battery energy at the same voltage, or convert nominal capacity to watt-hours with…

AWG

American Wire Gauge, a conductor-size system in which a larger numbered gauge generally means a smaller conductor. Cable selection also depends on insulation, installation conditions, length, and current.

BMS

Battery management system. It monitors battery conditions and may restrict charging or discharging when limits are reached; it does not replace correctly selected external wiring protection.

Breaker

A resettable device that opens a circuit under specified fault conditions. A breaker must be rated for the AC or DC circuit in which it is used.

Busbar

A conductive bar used as a common connection point for several circuits. Its rating and protective cover are part of the system design.

C-rate

Charge or discharge current expressed relative to battery capacity. For a 100 Ah battery, 0.5C means 50 amps; the permitted rate comes from that battery’s specifications.

Crimp

A connection made by compressing a terminal around a conductor with a suitable tool. The terminal, cable size, die, and tool must be compatible.

Depth of Discharge (DoD)

The percentage of battery capacity that has been used. A 40% depth of discharge means roughly 60% remains; recommended operating limits depend on the battery.

Disconnect switch

A switch intended to isolate part of an electrical system. Whether it may interrupt a live load depends on its rating and the installation design.

Fuse

A replaceable protective device that opens a circuit when its specified overcurrent conditions are reached. Selection includes current, voltage, time-current behavior, and interrupt rating.

LiFePO4

Lithium iron phosphate, a lithium battery chemistry commonly used for RV house power. The battery, BMS, charging settings, and temperature limits must work together.

Turn your plan into a project

Bring your equipment list, travel plans, and questions to an RV power specialist. Compare the proposed work, component choices, and support before booking.

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