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We Put Our New Lithium Batteries to the Ultimate Test! ⚡⛵ | Sailing Adventure Begins! EP-188

September 17, 2025 · 24 min · 36K views · The Bahamas

What this video covers

The crew of a cruising sailboat upgrades their electrical system by installing two 320-amp-hour Dakota Lithium batteries, providing a total of 640 amp hours of capacity.2:25 To test the performance of the new lithium iron phosphate (LiFePO4) setup, the owners operate high-draw appliances throughout a day of coastal sailing and anchoring in the Abacos, Bahamas.2:41 The test includes running a watermaker, an induction cooktop, an ice maker, and Starlink, alongside standard navigation electronics.2:46 Despite the heavy load, the battery bank maintains a positive charge balance when paired with the vessel's solar array, ending the day at 87% capacity.17:19 The owners highlight the batteries' ability to provide 400 amps of continuous power in parallel, their dual-purpose capability as engine starter batteries with 1,000 cold cranking amps, and their 11-year warranty.22:56 The transition from AGM batteries to this lithium setup offers significant weight savings and increased longevity, effectively supporting energy-intensive appliances without requiring a generator.22:01

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