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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
The listed price is the DDP final price—no hidden charges or taxes.
| Specifications | LiFePO4 Battery - No Bluetooth & No Self-Heating | LiFePO4 Battery - Have Bluetooth & Self-Heating |
|---|---|---|
| Nominal Capacity | 300Ah | 300Ah |
| Nominal Voltage | 12.8V | 12.8V |
| Energy | 3840Wh | 3840Wh |
| Max. Continuous Load Power | 3840Wh | 3840Wh |
| Charge Voltage | 14.6V | 14.6V |
| Max. Continuous Discharge Current | 200A | 200A |
| Max. Discharge Current (5 Seconds) | 400A | 400A |
| Preferred Charger | 14.6V60A | 14.6V60A |
| 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 |
| Charge Method | CC/CV | CC/CV |
| Cycle Life | 4000~8000 times | 4000~8000 times |
| Dimension (in / mm) | L20.55 × W10.59 × H8.66 in (L522 × W269 × H220 mm) |
L20.55 × W10.59 × H8.66 in (L522 × W269 × H220 mm) |
| Weight | 59.08lb / 26.8kg | 59.08lb / 26.8kg |
| 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℃ |
Just got my battery and it is exactly as pictured and was very quickly. in the next months some thorough testing and look forward to a great experience!
These cells were easy to install and integrate into my hybrid inverter. The instructions were clear, and they’re working flawlessly.
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Battery capacity is very large, can reach more than 295ah, after 15 days of transport received the battery is very good, no damage, I am very satisfied
Einfach perfekter Service Von der Bestellung bis zur sehr pünktlichen Auslieferung perfekt. Fragen per Mail werden schnell und höflich beantwortet. Die Qualität der mir gelieferten Zellen ist mehr als gut, wenn noch der wirklich gute Preis berücksichtigt wird, beinahe unglaublich
Happy with purchase and would recommend. Unit arrived a month early (ordered end of march, expected start of june, showed up start of may) though i didn't know it was coming until fedex showed up at my door.
All ok. Equal voltage on all. Batteries are all flat, none of battery is swolen even 1mm.
Schnelle Lieferung, sehr gut verpackt, Kapazität aller Zellen entsprechen den Angaben der mitgelieferten Zertifikate, qualitativ hochwertige Anmutung
