https://powersol.co.za/resources/blog Guides and field notes on marine & mobile power from PowerSol. en-za https://powersol.co.za/resources/blog/watermakers-explained https://powersol.co.za/resources/blog/watermakers-explained How marine and overland watermakers work, what the Clark Pump energy-recovery concept does, and how to size a reverse-osmosis system by crew and usage. Mon, 22 Jun 2026 00:00:00 GMT watermakers reverse osmosis desalination marine water systems overland energy recovery off-grid water https://powersol.co.za/resources/blog/sizing-lithium-house-bank-catamaran https://powersol.co.za/resources/blog/sizing-lithium-house-bank-catamaran A practical method for sizing a lithium (LFP) house bank on a cruising catamaran: estimate daily loads, choose days of autonomy, and add charging headroom. Mon, 22 Jun 2026 00:00:00 GMT lithium house bank LFP cruising catamaran marine electrical energy budget house battery sizing leisure marine https://powersol.co.za/resources/blog/power-production-at-anchor https://powersol.co.za/resources/blog/power-production-at-anchor A practical guide to solar, wind and alternator charging at anchor for cruisers, comparing the three power sources and how they work together on a marine DC system. Mon, 22 Jun 2026 00:00:00 GMT power production solar wind generator alternator charging marine electrical cruising off-grid DC systems https://powersol.co.za/resources/blog/nmea-2000-monitoring-explained https://powersol.co.za/resources/blog/nmea-2000-monitoring-explained What NMEA 2000 is, how digital switching and centralised monitoring work, and why one screen for your whole vessel beats scattered gauges and switch panels. Mon, 22 Jun 2026 00:00:00 GMT NMEA 2000 monitoring and control digital switching marine electronics vessel monitoring overland power https://powersol.co.za/resources/blog/dc-dc-charging-overland https://powersol.co.za/resources/blog/dc-dc-charging-overland Why a DC-DC charger beats a voltage-sensitive relay for charging an auxiliary battery from a modern smart alternator, and how to specify one for an overland build. Mon, 22 Jun 2026 00:00:00 GMT dc-dc charging overland smart alternator lfp auxiliary battery b2b charger dual battery mobile power https://powersol.co.za/resources/blog/how-to-calculate-your-power-budget https://powersol.co.za/resources/blog/how-to-calculate-your-power-budget A step-by-step method for turning daily loads into watt-hours, amp-hours, battery-bank size and a charging requirement, with a worked marine/overland example. Sun, 21 Jun 2026 00:00:00 GMT power budget energy audit amp-hours battery sizing lithium solar marine power overland autonomy https://powersol.co.za/resources/blog/lithium-vs-agm-marine-house-bank https://powersol.co.za/resources/blog/lithium-vs-agm-marine-house-bank A technical comparison of LiFePO4 versus AGM/gel for a marine house bank: usable capacity, cycle life, weight, charge acceptance, cost-over-life and the cold-charging caveat. Tue, 16 Jun 2026 00:00:00 GMT lithium lifepo4 agm house bank marine power deep cycle bms battery sizing https://powersol.co.za/resources/blog/sizing-solar-for-liveaboard-or-overland https://powersol.co.za/resources/blog/sizing-solar-for-liveaboard-or-overland How to size a solar array from a daily energy budget — peak-sun-hours, derating, panel vs controller sizing, shading and mounting realities for marine and overland use. Thu, 11 Jun 2026 00:00:00 GMT solar sizing peak sun hours liveaboard overland mppt energy budget marine solar off-grid power https://powersol.co.za/resources/blog/mppt-vs-pwm-solar-controllers https://powersol.co.za/resources/blog/mppt-vs-pwm-solar-controllers How MPPT and PWM solar charge controllers differ, why MPPT recovers more harvest in cool light and with higher-voltage arrays, and how to size one to your array and battery. Fri, 05 Jun 2026 00:00:00 GMT mppt pwm solar charge controller solar victron battery charging marine power off-grid solar https://powersol.co.za/resources/blog/choosing-12v-24v-48v-system-architecture https://powersol.co.za/resources/blog/choosing-12v-24v-48v-system-architecture How to choose between a 12V, 24V or 48V architecture for a boat or overland build: current, cable size, inverter and device compatibility, losses, and when to step up. Sat, 30 May 2026 00:00:00 GMT system voltage 12v 24v 48v marine power overland cable sizing inverter dc-dc converter system architecture https://powersol.co.za/resources/blog/battery-monitoring-and-state-of-charge https://powersol.co.za/resources/blog/battery-monitoring-and-state-of-charge Why battery voltage alone misleads you about charge level, how a shunt-based monitor counts coulombs to track true state of charge, and how it ties into NMEA 2000. Sun, 24 May 2026 00:00:00 GMT battery monitoring state of charge battery monitor coulomb counting shunt nmea 2000 lithium lfp marine power mobile power