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Orders shipped from the EU warehouse: Free shipping is available to mainland EU countries (excluding remote islands).
Orders shipped from China: Free shipping is available to the EU, US, and other major regions (excluding remote islands).
Note: If your shipping address is in the UK, Switzerland, or Norway, and your order is shipped from our European warehouse, additional shipping fees will apply. Any customs duties or taxes incurred for these destinations must also be covered by the customer.
After you place an order, we will process it within 1-2 business days. Depending on your shipping address, we will ship from the nearest warehouse so you can receive your items as soon as possible.
Contact us at service@better-ess.com to check the stock level of your nearest warehouse.
We stand behind the quality and performance of our products through comprehensive warranty coverage.
All LiFePO4 Cells Batteries can receive a 5-year warranty, when used correctly according to the product manual instructions.
Mobile ESS and DIY Case Kit are also warranted for 5 years.
Battery chargers carry a 2-year warranty.
Accessories are covered by a 1-year warranty.
All warranties are effective from the date of purchase by the end user. Correct installation and usage as specified in the product manual are required to maintain warranty eligibility.
Please take time to carefully review the manual prior to setup and operation to ensure proper use and long-lasting performance from your BetterESS LiFePO4 System. We're here to support you throughout the warranty periods.
We provide lifetime customer support to ensure you enjoy a worry-free experience with our products.
Whether you have questions about installation, usage, or maintenance, our dedicated team is always here to help — anytime you need us.
Contact us (Email): 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.
BetterESS 25.6V 314Ah 8kWh All-in-one battery built-in 4.3KW inverter with active balancer module and lifepo4 temperature-sensitive fire extinguisher; Battery and inverter integrated into one, easy to install, plug and play.
BetterESS 8Kwh All-in-one battery built-in 4.3KW inverter, it can connect all in one battery of the same model to form three phases system or just to expand capacity; It can also connect 8KWH battery (without inverter) to expand capacity,but the battery model must be the same.
BetterESS 8Kwh All-in-one ESS perfect for solar home systems, power outages, off-grid living.


• No matter what the charging model is, once the temperature of the cell is above the absolute charging temperature, charging should be stopped.
• Please check the orientation of the positive and negative terminals before packaging.
• Connect the terminal or wire to the battery module, and pay attention to insulation to prevent short circuit.
• When not in use for a long time, the battery should be stored in a cool and dry place (<35°C, 30%~50% SOC, charge and discharge once every 3 months).
• Do not place the battery in direct sunlight or a heat source.
• Do not wear metal jewelry (such as rings, watches, accessories, etc.) when handling the battery unit.
1. Do not charge beyond the maximum charging rate.
2. Do not disassemble or modify the battery.
3. Do not throw or hit the battery.
4. Do not pierce the battery with sharp objects (such as nails, knives, pens, electric drills).
5. Do not mix with other types of batteries or modular units.
6. Do not excessively squeeze the battery during use.
7. Do not place the battery in a high temperature greater than 60°C.
8. Do not use conductive materials to connect the positive and negative terminals (such as metals, wires)
More any questions about the BetterESS Power Battery?
Email: service@better-ess.com
| Model | 25.6V 314Ah 8kWh All-in-One Energy Storage System |
| Dimensions | 850 × 820 × 330 mm |
| Weight | 80kg |
| Battery Type | LiFePO4 (Lithium Iron Phosphate) |
| Battery Configuration | 8S1P (8 Cells in Series) |
| Nominal Capacity | 314Ah |
| Nominal Energy | 8.04kWh (Rated 8kWh) |
| Nominal Voltage | 25.6V |
| Battery Working Voltage Range | 22.4V - 28.8V |
| Max PV Input Power | 5000W |
| MPPT Tracking Voltage Range | 40VDC - 450VDC |
| Max PV Input Voltage (VOC) | 500VDC |
| MPPT Channels | 1 MPPT |
| Built-in Inverter Power | 4300W Hybrid Inverter |
| Rated Output Voltage | 220VAC / 230VAC / 240VAC |
| Grid Voltage Range | 187VAC - 264VAC |
| Rated Output Frequency | 50Hz / 60Hz |
| Rated Output Current | 19.5A / 18.7A / 17.9A |
| Power Factor | >0.98 (Rated Power) |
| Battery Rated Voltage | 24VDC |
| Battery Voltage Range | 21V - 30V (Default) |
| Max PV Charging Current | 150A |
| Max AC Charging Current | 100A |
| Max Charging Current | 150A |
| Battery Management System (BMS) | Built-in Intelligent BMS with Active Balancing |
| Communication | RS485 / CAN / RS232 |
| Monitoring | LCD Display & Mobile APP (Optional) |
| Operating Temperature | Charging: 0℃ to 45℃ Discharging: -20℃ to 60℃ |
| Storage Temperature | -20℃ to 60℃ |
| Cycle Life | >6000 Cycles |
| Application | Home Solar Energy Storage / Backup Power / Off-grid System |
| Protection | Over Charge, Over Discharge, Over Current, Short Circuit, Over Temperature Protection |
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Ordered for the second time! very fast delivery.
Die EVE 628Ah Batterie ist eine echte Investition in Zuverlässigkeit. Ich nutze sie für meine Solaranlage zu Hause, und die Leistung ist konstant hoch. Die Kapazität reicht locker für unsere ganzen Geräte, und die Lade- und Entladezyklen funktionieren einwandfrei. Außerdem ist der Kundenservice sehr hilfsbereit bei Fragen. Ich würde sie jederzeit wieder kaufen.
Neatly packaged. Everything arrived in order. All four cell voltages are 3.27 volts. Thank you, seller.
I installed the 48V 10kWh 200Ah All-in-One Sodium-ion Battery in my home solar system, and it has exceeded all my expectations. Setup was very easy, and everything integrates perfectly. The battery provides stable and reliable power even during cloudy days or short outages. The 10kWh capacity is fantastic – I can run all my home appliances for multiple days without worry. The efficiency and build quality seem excellent, and customer support has been very responsive. I highly recommend this system for anyone looking for a dependable, high-performance home energy storage solution.
Diese Batteriezellen haben meine Erwartungen übertroffen. Sie sind brandneu und in einwandfreiem Zustand angekommen. Die Leistung ist stabil und die Zellbalance ist sehr gut. Ich verwende sie in einem Solarspeichersystem und habe keinerlei Probleme festgestellt. Der Verk?ufer war professionell und die Lieferung erfolgte schnell. Insgesamt ein sehr hochwertiges Produkt, das ich gerne weiterempfehle.