Sizing guides by boat segment

Electric repower sizing, by boat type

Pick the segment that matches your boat. Each guide describes the realistic power, battery, and cabling envelope — and opens the configurator pre-filled with sensible defaults.

Find your boat

Type a model name — we’ll point you to the matching sizing guide.

30 ft sailboat

30-foot sailboat electric repower

Sized for typical 30-footers around 4–5 t displacement targeting 5–6 knots under power.

10–15 kW12–18 kWh

Catalina 30, Beneteau First 30, Hunter 30 + 4 more

See sizing

35 ft sailboat

35-foot sailboat electric repower

Mid-size cruisers around 6–8 t — the most common repower target on the market.

15–20 kW18–28 kWh

Beneteau Oceanis 35, Bavaria 34, Hallberg-Rassy 34 + 5 more

See sizing

40 ft sailboat

40-foot sailboat electric repower

Bigger cruisers and offshore boats — where 96 V starts to make real sense.

20–30 kW30–45 kWh

Beneteau Oceanis 40, Jeanneau Sun Odyssey 410, Hallberg-Rassy 40 + 5 more

See sizing

40 ft catamaran

40-foot catamaran electric propulsion

Twin saildrives, more space for batteries — but you size each side independently.

2 × 10–15 kW30–60 kWh total

Lagoon 40, Leopard 40, Bali 4.0 + 4 more

See sizing

Electric launch

Small electric launch / day boat

Light displacement under 1.5 t, short days, simple 48 V system.

5–8 kW5–10 kWh

Boston Whaler 130, Cornish Crabber 17, Stur-Dee Cat 14 + 4 more

See sizing

Trawler yacht

Trawler yacht electric / hybrid propulsion

Heavier displacement, longer hours — usually a hybrid case rather than pure electric.

30–60 kW40–80 kWh

Nordhavn 40, Beneteau Swift Trawler 41, Grand Banks 42 + 4 more

See sizing

At a glance

All segments, side by side

Quick comparison of the typical sizing envelope for each segment. Click any row to open the matching guide.

Segment	Power	Battery	DC current	Range
30 ft sailboat Monohull · Shaft	10–15 kW	12–18 kWh	120–180 A @ 48 V	20–35 nm	Guide
35 ft sailboat Monohull · Shaft	15–20 kW	18–28 kWh	180–250 A @ 48 V	25–45 nm	Guide
40 ft sailboat Monohull · Shaft	20–30 kW	30–45 kWh	210–310 A @ 96 V	30–55 nm	Guide
40 ft catamaran Multihull · Saildrive	2 × 10–15 kW	30–60 kWh total	150–220 A per hull @ 48 V	25–45 nm	Guide
Electric launch Monohull · Shaft	5–8 kW	5–10 kWh	100–160 A @ 48 V	15–25 nm	Guide
Trawler yacht Monohull · Shaft	30–60 kW	40–80 kWh	300–500 A @ 96 V	25–60 nm (electric only)	Guide

Don't see your boat?

The wizard works for any displacement hull, monohull or multi. Start from scratch with your own dimensions.

Open the configurator