Działa nawet bez baterii?! Testuję falownik hybrydowy 4,2 kW

4.2 kW 24V MPPT Hybrid Solar Inverter - https://fas.st/yYGYr This modern, multi-functional device combines the functions of an inverter, solar charger, and battery charger. It provides reliable and uninterrupted power, and thanks to its compact design, it is suitable for both home and mobile installations. ✅ Key Features: Power: 4.2 kW / 24 V Pure sine wave – safe for all electrical devices Power factor of 1.0 – high operating efficiency Wide PV voltage range of 60–500 V DC Built-in 100 A MPPT controller – maximum solar energy utilization (I'm not sure about this one) Batteryless operation – can only operate with PV panels Automatic lithium battery activation Removable dust cover – protection in harsh conditions On-grid and off-grid operation – versatile use Built-in WiFi module – remote monitoring and configuration As I mentioned in the video, I've prepared a special discount for you on this product. You can get it for the great price of $193.10 with the code SLAWEK25. Product link: https://fas.st/yYGYr Back to School with AliExpress AliExpress is currently hosting a mega "Back to School" promotion, which will run from August 18th to 27th. It's the perfect opportunity to buy new equipment at a lower price! Visit the website and see for yourself what they have prepared: https://fas.st/hkCvV If you're making larger purchases, you can use other discount codes that are valid at the same time. Below is a list! • SLAWEK02 – $2 off with purchases of at least $10 • SLAWEK03 – $3 off with purchases of at least $15 • SLAWEK05 – $5 off with purchases of at least $30 • SLAWEK10 – $10 off with purchases of at least $69 • SLAWEK15 – $15 off with purchases of at least $99 • SLAWEK25 – $25 off with purchases of at least $139 • SLAWEK35 – $35 off with purchases of at least $199 • SLAWEK45 – $45 off with purchases of at least $269 • SLAWEK55 – $55 off with purchases of at least $349 • SLAWEK60 – $60 off with purchases of at least $429 • BB020 – $20 off with purchases of Min. $120 • AUGPL100 – $100 off purchases of min. $500 (code with a limited budget, so hurry up!) Additional benefit: cashback! Remember, by joining the team below from August 18-27, 2025, you can earn at least 2% cashback on every order. That's additional savings! https://fas.st/OJ82i #bartercollaboration #aliexpress #photovoltaics #photovoltaicpanels