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Ponúkame DOPRAVU ZADARMO na všetky objednávky do väčšiny krajín a regiónov.
Objednávky odoslané zo skladu v EÚ: Doprava zdarma je k dispozícii do krajín pevninskej EÚ (okrem vzdialených ostrovov).
Objednávky odoslané z Číny: Doprava zdarma je k dispozícii do EÚ, USA a ďalších hlavných regiónov (okrem vzdialených ostrovov).
Poznámka: Ak je vaša dodacia adresa v Spojenom kráľovstve, Švajčiarsku alebo Nórsku a vaša objednávka je odoslaná z nášho európskeho skladu, budú sa účtovať dodatočné poplatky za dopravu. Všetky clá alebo dane vzniknuté v týchto destináciách musí tiež uhradiť zákazník.
Po zadaní objednávky ju spracujeme do 1-2 pracovných dní. V závislosti od vašej dodacej adresy vám tovar odošleme z najbližšieho skladu, aby ste ho mohli dostať čo najskôr.
Kontaktujte nás na service@better-ess.com skontrolovať stav zásob vo vašom najbližšom sklade.
Za kvalitou a výkonom našich produktov stojíme prostredníctvom komplexnej záruky.
Na všetky batérie LiFePO4 sa vzťahuje 5-ročná záruka, ak sa používajú správne podľa pokynov v návode na použitie.
Mobilný ESS a DIY Case Kit majú tiež 5-ročnú záruku.
Nabíjačky batérií majú 2-ročnú záruku.
Na príslušenstvo sa vzťahuje 1-ročná záruka.
Všetky záruky platia od dátumu zakúpenia koncovým používateľom. Na zachovanie nároku na záruku je potrebná správna inštalácia a používanie podľa pokynov v návode na použitie produktu.
Pred nastavením a prevádzkou si, prosím, pozorne prečítajte návod, aby ste zabezpečili správne používanie a dlhotrvajúci výkon vášho systému BetterESS LiFePO4. Sme tu, aby sme vás podporili počas celej záručnej doby.
Poskytujeme doživotnú zákaznícku podporu, aby ste si mohli užívať bezstarostné používanie našich produktov.
Či už máte otázky týkajúce sa inštalácie, používania alebo údržby, náš špecializovaný tím je vám vždy k dispozícii – kedykoľvek nás budete potrebovať.
Kontaktujte nás (e-mail): service@better-ess.com
The Price listed is the final price! Free shipping, free customs duties and tax, You don't need to pay any other fees.
The BetterESS 51.2V 400Ah 20KWh LiFePO4 Battery is designed for reliable home energy storage, backup power and solar energy applications. With a large 20KWh usable battery capacity, an IP65-rated enclosure, active cell balancing and WiFi monitoring, it provides a practical energy storage solution for both indoor and sheltered outdoor installations.
Built with LiFePO4 battery cells, the system offers excellent cycle life, high safety and stable performance for long-term energy storage.
🔋 20KWh Large Energy Capacity
With a nominal voltage of 51.2V and a capacity of 400Ah, this battery provides approximately 20.48KWh of nominal energy capacity, making it suitable for daily energy storage and backup power applications.
⚖️ Active Cell Balancing
The integrated active balancing function helps maintain better voltage consistency between battery cells, supporting stable battery operation and improving overall pack performance.
📶 WiFi Monitoring
The built-in WiFi function allows users to monitor important battery information remotely through the supported monitoring system, making it easier to check battery status and operating conditions.
🛡️ IP65 Protection
The IP65-rated enclosure provides protection against dust and water jets, making the battery suitable for sheltered outdoor installation as well as indoor energy storage applications.
🔥 Built-in Fire Extinguisher
The battery is equipped with a built-in fire suppression/extinguishing device as an additional safety feature, providing an extra layer of protection inside the battery enclosure.
🔋 LiFePO4 Battery Technology
LiFePO4 chemistry offers excellent thermal stability, long service life and reliable performance, making it well suited for residential energy storage applications.
The BetterESS 20KWh battery can be used for a variety of energy storage scenarios, including:
Solar energy storage
Home backup power
Off-grid energy systems
Daily energy storage
Self-consumption applications
Emergency power backup
Residential and small commercial energy storage
Combining 20KWh capacity, IP65 protection, active balancing and WiFi monitoring in one battery system, BetterESS provides a convenient solution for customers looking for a high-capacity 51.2V energy storage battery.
The system can be paired with a compatible inverter to build a complete home energy storage solution.
| Item | Specification |
|---|---|
| Brand | BetterESS |
| Battery Chemistry | LiFePO4 |
| Nominal Voltage | 51.2V |
| Capacity | 400Ah |
| Nominal Energy | 20.48KWh |
| Protection Rating | IP65 |
| Active Balancing | Yes |
| WiFi Monitoring | Yes |
| Fire Extinguisher | Yes |
| Application | Home Energy Storage |
| Installation | Indoor / Sheltered Outdoor |
| Inverter Compatibility | Compatible with suitable 48V/51.2V inverters |
Whether you need additional storage for your solar system, reliable backup power for your home, or a high-capacity battery for an off-grid application, the BetterESS 51.2V 400Ah 20KWh LiFePO4 Battery combines high capacity, smart monitoring and enhanced protection in a practical IP65 enclosure.
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Good quality cells and very solid packaging. The EVE 668Ah cells were exactly as described, and the installation went smoothly.
Very impressed with the size and quality of these 668Ah cells. They arrived safely and the terminals were well protected. So far, everything looks great.
I used the EVE 668Ah cells for my DIY battery project. The cells look very good and the initial capacity test was quite satisfactory.
The EVE 668Ah cells arrived well packaged and in excellent condition. Everything was clean and well protected. Very happy with the overall quality.
Very good first impression of these EVE 334Ah cells. Clean, well protected, and a great option for my DIY battery project.
