Customized LiFePO4 Battery 12V25ah Lithium Solar Battery for Solar Photovoltaic System

• Customization: Available
• Type: Li-ion Battery
• Cathode Material: LFP
• Model NO.: JSL-12V25AH
• Rechargeable: Yes
• Size: Medium
• Nominal Voltage: 12.8V
• Nominal Capacity: 25ah
• Nominal Energy: 320wh
• Self-Discharge: <1%
• Standard Charging Current: 5A
• Charging Cut-off Voltage: 14.6V
• Discharging Current: 5A
• Discharging Cut-off Voltage: 10V
• Operation Temp (Charging): 0ºC~55ºC
• Operation Temp (Discharging): -20ºC~60ºC
• Degree of Protection: IP65, 5 Years
• Cycle Life: 80% After 3000 Times Cycle Life
• Weight: Less Than 3kgs
• Transport Package: Explosion-Proof Carton Box and Pallet Packing
• Specification: 245*176.4*75MM
• Trademark: JIAXIN
• Origin: Fuzhou
• HS Code: 8507600090
• Production Capacity: 500000PCS/Year
• Package Size: 29.50cm * 23.00cm * 13.00cm
• Package Gross Weight: 3.500kg

Product Description

12.8V25AH lithium power battery

Introducing the 12V 25AH lithium battery, perfect for solar storage, home applications, and electric tools. This powerful and reliable LiFePO4 energy battery is compact yet efficient, making it ideal for a variety of uses. Whether you need a versatile rechargeable power source for your home or a super solid off-grid solution for solar energy storage, this compact 25AH battery has got you covered. Say goodbye to unreliable batteries and hello to long-lasting, efficient power with this top-of-the-line lithium battery. Trust in the quality and durability of this battery to keep your devices running smoothly and efficiently. Choose the best for your home and energy needs with this efficient and versatile lithium battery.

Customized LifePO4 battery 12V25ah Lithium Solar Battery for Solar Photovoltaic System

Specification

No	Item	Rated parameters		Remark
1	Rated Capacity	25Ah		The capacity after charging at 0.2C and then discharging to 10V at 0.2C under a temperature of 25±2℃
	Min Capacity	24Ah
2	Nominal Voltage	12.8V
3	Charging cut-off voltage	14.6V		Constant Voltage Charging
4	Discharging cut-off voltage	10V
5	Standard Charging Current	5A (0.2C)		Maximum charging current5 A(0.2C)
6	Standard Discharging Current	5A (0.2C)		Maximum discharging current10A
7	Condition to stop charging	≤0.05C
8	Using temperature	Charge0~45℃		Relative humidity45%~85%
		Discharge -20~60℃
9	Storage Temp	3Months	-20-45℃	During storage, it should be kept in a clean, dry, and well-ventilated indoor environment where the ambient humidity does not exceed 75%. It should be avoided to come into contact with corrosive substances and kept away from fire sources and heat sources. The battery must be charged and discharged once every 6 months and recharged to 50%~70% of its relative capacity.
		6Months	-10-25℃

Key Advantages of LiFePO4 (LFP) Batteries:

1. Safety: Excellent thermal and chemical stability, highly resistant to thermal runaway and fire.
2. Long Lifespan: Can typically endure 3,000 - 10,000 charge cycles, far more than other lithium-ion types.
3. Cost-Effectiveness: Lower cost due to the use of iron and phosphate, which are abundant and inexpensive materials.
4. High Performance: Stable power output, fast charging capability, and good performance in a wide temperature range.
5. Environmentally Friendly: Non-toxic materials and longer lifespan reduce environmental impact.

Technical Highlights

Key Advantages of Solar MPPT Charge Controllers:

1. Maximum Energy Harvest: Extracts up to 30% more power from your solar panels compared to PWM controllers, especially in non-ideal conditions.
2. Higher Efficiency: Dynamically adjusts the electrical operating point to ensure the solar array is always producing its absolute maximum possible power.
3. Greater Flexibility: Allows you to use a higher voltage solar array (e.g., 24V or 48V) to charge a lower voltage battery bank (e.g., 12V), reducing energy loss in the wires.
4. Optimized Performance in Varied Conditions: Excels in capturing energy during cold weather, low light, or when the panels are partially shaded.

Applications

Optional Accessories

Solar panel(Optional)

Monocrystalline Silicon Solar Panel Advantages

Key Advantages Detailed Description
High Conversion Efficiency Lab records exceed 27%, with commercial panel efficiency typically between 20%-24%. This ranks among the highest for all solar technologies.
Long Lifespan & Durability Features a long service life, generally 15-25 years. Constructed with sturdy tempered glass and aluminum alloy frames to withstand harsh weather conditions.
Superior High-Temperature Performance Outperforms other panel types in high-temperature environments and under low-light conditions, ensuring more stable energy output.
Proven Technology & Reliability The technology is highly mature and represents the dominant mainstream choice in the market (accounting for 96% of global module shipments in 2022), validated by long-term practical use.
Stable Power Output The crystalline silicon structure is highly stable, resulting in very slow power degradation over time. This ensures consistent and reliable electricity generation throughout its entire lifecycle.

MPPT(Optional)

Outdoor battery box(Optional)

Intemal circuit braaker and surge protector

with bluetooth function

Outdoor battery box 500*400*300: Material SPCC galvanized sheet, box body 1.0mm full thickness, door panel 1.2mm (with waterproof sealing strip on the door), surface treated with electrostatic spraying, upper and lower parts of the box welded with 3.0mm mounting lugs, compatible with clamp range 55-300mm, internally equipped with mounting plate, grounding wire, and waterproof lock.

Intemal circuit braaker and surge protector.

(Optional)

After Sales Service

24-month warranty

OEM&OEM

Cycle Life

against manufacturing defects

Charging/discharging current etc.can be adjusted as per different solar panels and the power of applications.

above 3000 cycles

Certifications

Company Profile

Fuzhou Jiaxin Energy Industrial Co.,Ltd.

 Established in 2013,covering the area of 19,980 square meters, is one of High and New Technology Enterpreses,owning more than 30 patents in power and battery industry,is specialized in the research, development, production and sales of Lithium battery, power station,power battery and lead acid battery,motorcycle battery,providing strong power support for various applications.Our power stations and batteries are widely exported to more than 90 countries.
Our company adheres to the concept of "Energy-efficient, Environment-friendly, Pragmatic, Creativity" and the values of customer first, employee-oriented and technological development. The company gathers a group of elites in the battery industry, professional inspection technicians and high-quality management personnel, and adopts advanced battery production technology, new processes and new equipments developing green, energy-saving and environment-friendly new energy batteries. Adhere to continuous scientific research and technological innovation to provide overall battery solutions for different kinds of products and applications. styles to meet your needs.

Packing & Delivery

FAQ

Q1.How to strictly control battery safety and quality?
Safety testing is the most important part of our batteries quality test,extreme condition testing such as overcharging, overdischarging, short circuit, needle puncture, and high temperature (such as 85ºC storage).
Capacity Test: Verify whether the actual capacity meets the nominal value through charge and discharge cycles.   
Cycle life test : ≥ 80% after 2000 cycles. 
Pass CE,UL,Rohs,TUV,MSDS,UN38.3 on the basis of ISO9001 management system.  
 
Q2.What's the good way to make batteries in group keep best performance?
Consistency screening is firstly done before batteries are divided into group.
-Eliminate cells with significant differences in voltage, internal resistance, and capacity (such as pairing within ± 1%) through capacitive devices.   
-Using Dynamic Parameter Grouping (DVA) to match individual cells within the battery pack.
s of batteries to more than 90 countries etc.

Q3:How to get long the usage life through measures and maintenance?
1.Optimize charge and discharge management
-Avoid deep discharge (for example, lithium-ion batteries are recommended to maintain a range of 20% to 80% power).
-Use intelligent BMS (battery management system) to control the charging cutoff voltage (such as ternary lithium battery ≤ 4.2V/single cell).
-Do not charge at high temperature (>45ºC) or low temperature (<0ºC).
2. Temperature control
-Install a heat dissipation system (air cooling/liquid cooling) to maintain the operating temperature between 15 and 35ºC.
-Avoid heating caused by long-term high rate discharge (e.g.>1C).
3. Regular maintenance and monitoring
-Balanced charging: BMS regularly calibrates the difference in individual voltages (e.g., passive/active balancing).
-Storage advice: Keep 50% power when not in use for a long time, and recharge every 3 months.

 Q4:What are your strengths, export experience and domestic and foreign use cases?
Our company has obtained the high-tech enterprise certificate issued by the government, received special support from the government, and won the invitation and bid for the solar energy storage project of the bus station. 
Our technology department had designed and manufactured batteries for products of the world's top 500 enterprises, which have been used for more than 10 years without fire or explosion accidents.