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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
Download Document:
Regarding the activation and deactivation of Bluetooth functionality, if you do not use the battery, the Bluetooth function will automatically turn off, and it will not produce radiation for you. To reconnect Bluetooth, simply activate the battery after charging or discharging, and then you can reconnect Bluetooth.
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Android-APP Download |
APPLE-APP Download |
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Automatic Self-Heating Function: This BetterESS 25.6V 300Ah 2560Wh LiFePO4 battery model is equipped with an automatic self-heating function that will be activated by the BMS when the battery is connected to a charger at -4°F to 41°F(-20℃ to 5℃). The heating will be stopped when the battery temperature reaches 41°F(5℃) and then the battery will be formally charged. Plus, this function is powered by the Charger / Controller's current instead of the battery itself. More flexible and convenient to use.
Please note: The heating function is automatic and not manual. The heating module is an independent module that is not controlled by the Bluetooth app. Therefore, the heating function cannot be adjusted through the Bluetooth app. The heating function will only automatically activate when the ambient temperature drops below 0°C (32°F).
Intelligent temperature control: The self-heating function automatically activates in environments between -20°C to 5°C (-4°F to 41°F).
Precise Adjustment: Automatically stops heating when the battery reaches 5°C/41°F and begins normal charging.
External Power Supply: Uses the charger/controller's current rather than consuming the battery's own energy for more flexibility and efficiency.
Notes on Use: The battery must be placed below 0°C for self-heating to activate
Auto-balancing Function: Easily connect multiple batteries in parallel(4S/4P)with the auto-balancing function, improving the average charging efficiency for your batteries in the long term.
Grade-A Cells And Upgraded BMS: BetterESS LiFePO4 Battery 25.6V 100Ah has built-in Daly 100A BMS (Battery Management System) to protect it from overcharge, over-discharge, over-current, short circuits, and the high-temperature cut-off for increased performance and longer life.
Deep Cycle&High Quality&Safe: Lithium iron phosphate batteries have CE certificates and pass UN 38.3, and MSDS Tests. But also offer over 10 years of lifespan by 8× more than lead-acid batteries with more than 4000+ cycles (95% DOD). With its safety and stability, the LiFePO4 battery can perfectly replace the traditional lead acid battery. TezePower Lithium iron Battery is made from 100% safe, non-toxic, and not hazardous energy, LiFePO4 batterie has higher chemical stability, is not prone to thermal runaway, and will not overheat or catch on fire even if punctured. With no acid in the battery, you're able to safely mount it in any position.
Operating Temp:
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 Protection Class: The case is made with quality ABS plastic, IP65 level waterproof sets you free from worrying to install indoors or outdoors.
Widely Used: The high-quality LiFePO4 Lithium Batterie is used in various fields, such as RV, trailer, camper, solar systems, golf carts, trolling motors, water power supplies, Home Alarm Systems, E-Scooters, off-grid life, etc.





🔋 Automatic Self-Heating
Easily connect multiple batteries in parallel(4S/4P)with the auto-balancing function, improving the average charging efficiency for your batteries in the long term.
⚡ Smart Temperature Control
Heats only in low temps (below 0°C / 32°F)
Stops heating at 5°C (41°F)
Ensures safe and reliable charging in cold weather
🔗 Auto-Balancing
Supports up to 4S/4P connections with auto-balancing to improve charging efficiency in multi-battery setups.
🛡 Premium BMS Protection
Equipped with a Daly 100A BMS for protection against overcharge, over-discharge, over-current, short circuit, and overheating.
🔁 Long Life & Safety
Over 4000 cycles at 95% depth of discharge
8× longer life than lead-acid batteries
Certified safe (CE, UN38.3, MSDS)
No acid, no toxic materials, no fire risk – safe to install in any position
🌡 Operating Temperatures
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 Design
Durable ABS case with IP65 protection for both indoor and outdoor use.
🚐 Wide Applications
Ideal for RVs, campers, solar systems, golf carts, boats, alarm systems, e-scooters, and off-grid setups.
Warning:
(1) Please charge with a dedicated lithium battery charger;
(2) Do not reverse the positive and negative poles;
(3) There are safety devices in the battery pack. To ensure safety, do not dissect or change the structure of the battery;
(4) It is forbidden to directly connect the positive and negative terminals with metal;
(5) It is strictly forbidden to immerse the battery in water;
(6) It is strictly forbidden to drop, impact, squeeze, or puncture the battery;
(7) If the battery pack is not used for 3 months, please put the battery pack fully. When it is not in use, it should be placed in a cool and dry environment.
Contact us:
More any questions about BetterESS Battery?
Email: service@better-ess.com
| 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 | 100Ah | 100Ah |
| Nominal Voltage | 25.6V | 25.6V |
| Energy | 2560Wh | 2560Wh |
| Max. Continuous Load Power | 2560Wh | 2560Wh |
| Charge Voltage | 29.2V | 29.2V |
| Max. Continuous Discharge Current | 100A | 100A |
| Max. Discharge Current (5 Seconds) | 200A | 200A |
| Preferred Charger | 29.2V20A | 29.2V20A |
| Smart Daly BMS (8S) | 100A | 100A |
| 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 |
| Dimension (in/mm) | L20.67 × W8.78 × H9.35 in (L525 × W223 × H242 mm) |
L20.67 × W8.785 × H9.35 in (L525 × W223 × H242 mm) |
| Weight | 43.21lb / 19.6kg | 43.21lb / 19.6kg |
| 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 |
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⭐⭐⭐⭐⭐ Review Great supplier! Excellent support and very fast delivery from the EU warehouse. The battery cells arrived in perfect condition, well packed, and the quality is top-level (A-grade). Communication was clear and professional the whole time. Highly recommended!
hese are really excellent and of the highest quality, highly recommended, and do not become unbalanced even when charging if they exceed 120/130Ah.
Excellent batteries, all perfect in terms of weight and current capacity.
good service, i had a littble problem with the address, seller helped me to solve. finished the install 2 days ago, everything ok
swietne ogniwa pojemnosć zmiezona 685.55ah fajne busbary elastyczne ogniwa proste