1/27/2024 0 Comments Rv converter chargerI did not know that “most modern RVs” have an inverter charger! My camper is a decade old but my friend’s is 2 years old and neither have an inverter - and we wish they both did. When they have determined the battery is fully charged, system voltage will decrease to ~13.5 volts.ģ) Some inverters also include a separate set of electronics (a charger) that performs the same function as the ‘converter-charger’īut the article leaves a lot of questions! Such as, what is the best size of converter (35w, 45w, 55w, 65w) and are there any factors that would help me decide? Number of batteries? Time drydocking? 12v power demands? 120v power demands? They periodically pause and measure system voltage to reassess battery state of charge. These units detect the system voltage to determine the state of battery charge then increase it to around 14.2V for a time to provide a full charge. They are different from a pure battery charger because they are designed to also provide vehicle power at the same time they charge. They use a variable voltage output to provide a better charge to the battery (enhancing its ‘health’). These chargers do an adequate job of returning power to a battery but they rarely provide a complete charge which lead-acid batteries need to remain healthy.Ģ) More modern ‘converter-chargers’ exist to improve battery longevity. In the case of this equipment, most will be damaged by ‘automotive 12v’ range of voltages.ġ) Most commonly, (older style) fixed voltage ‘converters’ produce 13.8V so that they can both power ‘automotive 12V’ appliances and charge the battery. ‘Regulated 12V’ equipment is designed to operate from a wall transformer or computer power supply that is NOT subject to battery charging voltages. The reason is, when systems containing ’12v batteries’ are charged, the system is subject to voltages up to 14.4V. ‘Automotive 12V’, which is most of what is in RV’s is designed to operate, ranges between 11.5V to 14.5V. While a battery charger only has one function: to charge your batteries.Ī bit too simplistic and the distinctions are important.įirstly, it is important to note that there are two classes of low voltage DC power systems. Simply, an RV converter is also a battery charger but with added capabilities. The two terms are used interchangeably because for the most part, in modern RVs, an RV converter charges your batteries and converts shore power to usable 12v DC power. So, What’s the Difference Between an RV Converter VS Battery Charger?
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