A:AnswerThe power factor of each unit is different so while they're all 1500VA units, their max wattages are 1050, 1000, and 900 watts. If you'd like to discuss additional differences, please reach out to our sales team at 877-297-6937 and we can go over those with you. Thank you for submitting your question!
A:AnswerDaisy chaining UPS units is not recommended and would void the warranty, however, the unit would either pass through the modified wave if it's clean enough or transfer to battery mode and output the pure sinewave. Thank you for submitting your question!
A:AnswerHello,
This product does have a fan. If you have further questions don't hesitate to call 1.877.297.3967 (option 1) to connect with our Technical Support team. Thank you!
A:AnswerHello Buyer1,
The PFC stands for Power Factor Correction. If your computer uses an Active PFC power supply, a PFC unit is recommended. Thank you for submitting your question!
A:AnswerHello,
This product is not meant for medical devices such a CPAP machines. We suggest contacting the manufacturer of your CPAP machine for suggestions. Thank you!
