30 Worked Marine Lithium Battery Scenarios

These quick examples are designed for featured snippets, internal links and readers who want a fast starting point before opening the full configuration pages.

#	Scenario	Daily use	Example storage to model	Generation to model
1	Day sailer, electronics and lights	0.4kWh	1.28kWh	engine + 100W solar
2	Fishing boat, sounder and livewell	0.8kWh	1.5-2.5kWh	engine + shore
3	28ft yacht, fridge and instruments	1.0kWh	2.5kWh	300W solar + engine
4	32ft yacht, fridge and laptop	1.4kWh	2.5-4kWh	400W solar + engine
5	35ft yacht, autopilot weekend	1.8kWh	4-5kWh	500W solar + engine
6	38ft cruiser, Starlink part-time	2.5kWh	5-6kWh	700W solar + engine
7	40ft cruiser, fridge + freezer	2.8kWh	5-8kWh	800W solar + engine
8	42ft yacht, 24h Starlink	3.8kWh	8-10kWh	1,000-1,400W solar
9	45ft yacht, watermaker	4.5kWh	8-12kWh	1,200W solar + engine
10	45ft yacht, induction cooking	5.0kWh	10-12kWh	1,400W solar + backup
11	48ft yacht, washer + Starlink	6.0kWh	12-15kWh	1,600W solar + backup
12	50ft yacht, electric galley	7.0kWh	15kWh	1,800-2,200W + backup
13	40ft cat, large solar roof	4.0kWh	8-10kWh	1,400W solar + twin engines
14	45ft cat, Starlink + washer	6.5kWh	12-15kWh	1,800-2,200W solar
15	48ft cat, induction + watermaker	8.0kWh	15-20kWh	2,200-3,000W solar
16	50ft cat, limited AC	10kWh	20-25kWh	2,500W solar + generator
17	Trawler, long engine hours	6kWh	10-15kWh	alternator + 1,200W solar
18	Motor yacht, quiet overnight	10kWh	20kWh	generator + alternator + solar
19	Houseboat, roof solar	8kWh	15kWh	2,500W solar + shore
20	Mooring yacht, no shore	2kWh	5kWh	700W solar
21	Offshore passage, autopilot heavy	4kWh	8-10kWh	solar + hydro + alternator
22	Emergency low-power mode	0.8kWh	protected reserve	all available generation
23	Starlink Mini style low-power comms	1.5-2.5kWh total boat	4-6kWh	600-900W solar
24	Standard Starlink 24h	3-5kWh total boat	6-10kWh	900-1,500W solar
25	One small AC for 3h	add 2-3kWh	add 3-5kWh reserve	run during solar where possible
26	Small AC overnight	add 4-7kWh	15-25kWh total	solar + generator recovery
27	Cold-water washer every 3 days	add small daily average	little extra storage	schedule at midday
28	Watermaker 60-100L/day	add 0.3-1kWh	modest extra reserve	run in daylight
29	Heavy electric galley	add 1.5-3kWh	10-20kWh total	large inverter + solar
30	Remote expedition yacht	6-12kWh	15-30kWh	at least two independent charge methods

The correct configuration is the one that can repeatedly close the energy balance over a realistic week, not the one with the biggest battery specification on the invoice.