The Marbero 300W/237Wh energy reservoir utilizes a 3S Lithium-ion (NMC) battery configuration. A Pure Sine Wave inverter is integrated into the architecture, ensuring low Total Harmonic Distortion (THD) for sensitive digital chipsets. Operational monitoring suggests a continuous stable ceiling of 250W, with the 300W peak rating potentially triggering thermal throttling in the MOSFETs during sustained use.
Material specifications indicate a fan-cooled design where active cooling engages predictably under AC load. The port array allows for simultaneous DC, USB-C, and AC output. To maximize the 500-800 cycle lifespan of the NMC cells, technical protocols advise against deep discharge cycles below 10%.
Solar recharging requires a panel within the 18V-23V range. The unit's 237Wh capacity is suitable for low-wattage electronics but is technically insufficient for resistive heating appliances like toasters or space heaters.
The EcoFlow River 2 provides faster recharge times and more durable LiFePO4 chemistry as a technical upgrade. This product is situated within the power backup solutions category for entry-tier energy storage.