







We offer FREE shipping on all orders to most countries and regions.
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
Free Shipping & No Extra Fees
The listed price is the final DDP price—no hidden charges or taxes.
✔ Equipped with BMS for comprehensive protection and safe operation
✔ Built with 100% Grade A LiFePO4 cells for superior quality
✔ Delivers 4000 to 15,000+ charge cycles for extended lifespan
✔ Fully certified: CE / UN38.3 / MSDS compliant
✔ Dimensions: 20.55 x 10.59 x 8.66 in | Weight: 30KG
✔ Durable IP65-rated ABS casing & backed by a 5-year warranty






The Selling Price is the final price! You don't need to pay any additional fees.
🔋 Automatic Self-Heating
Automatically heats when charging in cold temperatures (-20°C to 5°C / -4°F to 41°F). Heating stops at 5°C (41°F) and normal charging begins. Powered by the charger, not the battery—more efficient and convenient.
🔗 Auto-Balancing for Parallel Use
Supports up to 4S/4P connections. Auto-balancing improves charging efficiency and ensures long-term performance in multi-battery setups.
🛡 Advanced BMS Protection
Built-in Daly 200A BMS protects against overcharge, over-discharge, over-current, short circuit, and overheating—ensuring safety and long battery life.
🔁 Long-Lasting & Safe
Over 4000 cycles at 95% depth of discharge
10+ year lifespan
Certified (CE, UN38.3, MSDS)
Non-toxic, non-flammable, no acid—safe for any mounting position
🌡 Wide Operating Temperature
No Self-Heating Functions:
Charge: 0°C to 50°C(32°F to 122°F);
Discharge: -20°C to 60°C(-4°F to 140°F).
Have Self-Heating Functions:
Charge: -20°C to 50°C(-4°F to 122°F);
Discharge: -20°C to 60°C(-4°F to 140°F).
💧 IP65 Waterproof Case
Durable ABS shell with IP65 rating for reliable indoor and outdoor use.
🚐 Versatile Applications
Perfect for RVs, campers, solar systems, golf carts, boats, alarm systems, e-scooters, off-grid setups, and more.
| Specifications | No Bluetooth & No Self-Heating Function | Have Bluetooth & Self-Heating Function |
|---|---|---|
| Battery Type | LiFePO4 Battery - No Bluetooth & No Self-Heating Function | LiFePO4 Battery - Have Bluetooth & Self-Heating Function |
| Nominal Capacity | 200Ah | 200Ah |
| Nominal Voltage | 25.6V | 25.6V |
| Energy | 5120Wh | 5120Wh |
| Max. Continuous Load Power | 5120Wh | 5120Wh |
| Charge Voltage | 29.2V | 29.2V |
| Max. Continuous Discharge Current | 200A | 200A |
| Max. Discharge Current (5 Seconds) | 400A | 400A |
| Preferred Charger | 29.2V40A | 29.2V40A |
| Charge Method | CC/CV | CC/CV |
| Smart Daly BMS (8S) | 200A | 200A |
| Bluetooth APP Name Download | / | SMART APP |
| Self-Heating Function | No | Yes |
| Terminal Type | M8 | M8 |
| Water Dust Resistance | IP65 | IP65 |
| Case Material | ABS | ABS |
| Cycle Life | 4000~8000 times | 4000~8000 times |
| Internal Impedance | ≤40mΩ | ≤40mΩ |
| Dimension (in/mm) | L20.67 × W8.58 × H10.59 in (L525 × W218× H209 mm) |
L20.67 × W8.58 × H10.59 in (L525 × W218 × H209 mm) |
| Weight | 82.01lb / 37.2kg | 82.01lb / 37.2kg |
| Working Temp. Range (Charge) | 32℉ - 122℉ / 0℃ ~ 50℃ | -4℉ - 122℉ / -20℃ ~ 50℃ |
| Working Temp. Range (Discharge) | -4℉ - 140℉ / -20℃ ~ 60℃ | -4℉ - 140℉ / -20℃ ~ 60℃ |
| Storage Temperature | 14℉ - 122℉ / -10℃ - 50℃ | 14℉ - 122℉ / -10℃ - 50℃ |
| Series & Parallel | 4S/4P | 4S/4P |
Olivier
Merci de vous être abonné !
Cet email a été enregistré !
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.