LiFePO4 Battery 12V300ah Intelligent BMS Protection Safe Lithium Ion Solar Battery
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Product Highlights
- Intelligent BMS Protection: Built-in BMS monitors cells, prevents over-charge/discharge, and balances voltage.
- Fast Charging Capability: Supports very fast charging up to 0.5C (50A) for efficient power replenishment.
- Bluetooth Monitoring: Equipped with Bluetooth for real-time status checking via dedicated mobile APP.
- High Safety Standards: Non-flammable, explosion-proof, and compliant with CE, IEC, and UN38.3 standards.
- Flexible Configuration: Can connect up to 4 units in series or parallel to expand capacity and voltage.
- Maintenance Free: Completely maintenance-free throughout its lifetime, saving significant OPEX.
Product Attributes
- Customization
- Available
- Type
- Li-ion Battery
- Cathode Material
- LFP
- Model NO.
- SLPO12-300N
- Rechargeable
- Yes
- Size
- Medium
- Shape
- Prismatic Cell
- Usage
- Energy Storage
- Rated Voltage
- 12V
- Rated Capacity
- 300ah
- Dimension
- 320*187*283mm
- Weight
- 26kg
- Cycle Life
- 6000 Cycles at 80% Dod
- Communication
- RS485, RS232, Can
- Charge Capability
- Very Fast Charge Capability up to 0.5c
- Low Self Discharge
- <1% Per Month at 20 Degrees
- Design Life
- 10 Years
- BMS
- Intelligent Integrated Battery Manager System
- Standard
- CE, IEC, Un38.3
- Performance
- No Explosion, Non Flammable
- Maintenance Free
- Maintenance Free Throughout Life Time
- Transport Package
- Carton+Pallet
- Specification
- 12V300AH
- Trademark
- Sunstone Power
- Origin
- China
- HS Code
- 850760
- Production Capacity
- 5, 000, 000 Piece / Month
- Package Size
- 552.00cm * 243.00cm * 335.00cm
- Package Gross Weight
- 28.800kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
Lithium Battery 12V300Ah LiFePO4 Lithium Ion Battery 10 Years Long Life Span Best Solar Battery
SLPO series is a LiFePO4(lithium iron phosphate)battery pack for backup power application. The battery pack adopts the advanced LiFePO4
battery technology with the advantages of long cycle life, small size, lightweight, safety and environmental protection, and also has a strong environmental adaptability. It also has a Bluetooth function, which checks the detailed status of the battery by downloading the APP.
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| Model | SLPO12-300N ( 12V 300AH Lithium battery ) |
| Capacity(0.5c) | 300Ah |
| Related Voltage | 3.2V per cell , 12.8V one pack |
| Weight | 26 Kg |
| Dimensions | 483*170*240 mm |
| Battery Material | LiFePO4 |
| Cycle Life | 6000 times @ 0.5C,80% Capacity @25ºC |
| Design Life | 10 Years @ 25ºC |
| Warranty | 3 Years |
| Built-in BMS | Automatically monitors and equalizes internal cells, protects the cells from over-charge, over-discharge, over-temperature, short-circuit, etc |
| Country of Origin | GuangDong Province, Made in China |
| Brand Name | Sunstone Power, made by orginal Sunstone factory |
| Lead time | Produce as per PO, 30~35 days after deposit |
| Stock | Ready to ship in Indonesia warehouse , Germany Warehouse |
|
1.Super long cycle life
Over 6000 cycles at 80%DOD can be circularly used.
|
|
2.Fast charge capability
Very fast charging capability up to 50A.
|
| 3.Low self discharge : <1% per month @ 25 ºC |
|
4. Long Life
10 years design life at 25°C.
|
|
5.Green environmental material
Eco-friendly and nonpolluting, no acids or no hazardous and noxious substances (including lead, cadmium,).
|
| 6. Can be used Max 4 in series or Max 4 in parallel |
| 7.In compliance with standard UN/NOT 38.3, CE. |
| 8. High safety & stable performance
No explosion and no fire under collision. No risk of leakage
|
| 9.Completely maintenance-free
Completely Maintenance-free throughout battery lifetime saves OPEX for the users.
|
| 10.Intelligent Integrated Battery Manage System(BMS)
Built-in BMS automatically protects internal cells from over-charge, over-discharge, over-temperature, short-circuit, etc. Ensure battery safety and reliability. Equalize and balance each cell. Prolong battery life. SOC-DOD-SOH reporting/setting device events, battery parameters, and storage, intelligent monitor, remote measure, remote communication, remote control.
|
| 11.The battery is equipped with smart BMS to monitor the battery and multiple protection, battery allows parallel connection (no quantity limits) to enhance capacity, and can easily monitor its working conditions by uplink ( bluetooth as optional) . The extraordinary compatibility of it with the extensive inverter brand ensures seamless integration into your energy system. Select the Sunstone SLPO series battery to ensure a reliable and continuous power supply -ultimate energy demand selection. |










Sunstone Power has been ranked as one of the biggest manufacturers and exporters of valve lead-acid batteries , Lithium battery since 2003 year, till now, we have accumulated over 20 years' producing experience and exporting history . Developed one susidiary company in Indonesia , one subsidiary company in Germany, both there is setting with professional sales team and enginner for technical supporting .
Sunstone is ownning production land, which has a production facility of 70,000 square meters and around 500 employees. Presently, our company is composed of three actories. Firstly, the battery plate making factory locates in Yunnan Province, which is one of the main lead production areas in China. The 2nd one specializes in assembling batteries and the 3rd one focus on Lithium battery pack production.
Up to now, we have obtained wide recognition at home and abroad for both quality and service, due to the following outstanding features: 1. Manufacture Advantages ; As for batteries, we manufacture lead alloy and electrode plates. The advantageous locations of our factories guarantee stable & reliable lead supply. As for assembling, our company manufactures batteries plates, purchasing high quality ABS battery case, AGM / PV separator , pure copper terminal ,strong carton ,almost all things are made at home, that's why our products have better quality control, delivery control as well as cost control.
Besides, customized product will be conducted promptly as soon as our customer has special requirements. 2. Team Advantages: Equipped with modern facilities and knowledge, our staff offers products with world-class quality, including industrial VRLA batteries,Lithium batteries and other solar products such as solar inverter, solar panel, charging contoller etc. Our engineering team is technically knowledgeable & experienced, our export department is working efficiently and creatively. Our sales teams versed in foreign trade operations, such as banking, shipping, arrangement, etc. Their understanding of customer needs guarantees that each inquiry and order tend to a good result. Sunny as Sun, Strong as Stone , we are continuing to be better with you !


Partner:

Sunstone Power has been ISO9001 ,ISO14001 approved and soon on ,many of our products obtained CE,IEC,VDS,RISTI(BY PT. TELKOM INDONESIA) certificates .
Payment
1. Pay through T/T, western union, PayPal…
2. Price term: FOB Shenzhen port, CFR, CIF.
3. The customer is responsible for any tax or bank charges by their countries.
Packaging & Shipping
1. By sea, by air shipping, by car or train, other good shipping ways also welcomed.
2. We will send products in 30- 35 days after the bank receipt.
3. A tracking number and photos of products will send by email after arrange shipped.
Notice
Daily maintenance of battery pack
1. Check the voltage data on the BMS display and the actual battery voltage value to ensure the accuracy of the voltage collection of the BMS.
f they are inconsistent, proofreading is required. The error between the collected voltage and the actual battery voltage does not exceed 10mV.
2. Check the temperature collection data and actual temperature value of the BMS, and the data the error between the collected data and the actual temperature value is not allowed to exceed 3°C, to ensure that the battery will not be charged or discharged when the temperature is too high or too low.
3. Check the BMS current collected data and actual current value, the error is not allowed to exceed 1%, to ensure that the battery will not be charged or discharged by overcurrent.
4. Check the reliability of the charging equipment to ensure that the charging equipment performs charging according to the voltage and current regulations by the BMS, to ensure that the battery will not be overcharged.
5. Check the connection of the battery pack is good, the contact points are in normal contact, and there is no accumulation of dust, powder, metal chips.
Caution
1. Children are not allowed to use the batteries.
2. It is forbidden to disassemble the battery.
3. Keep batteries or battery packs away from dangerous items or materials, such as corrosive chemicals, dangerous machinery and equipment, and high-temperature environments.
4. Unreasonable use of these products may cause smoke, such as external short circuits, overcharging, and high ambient temperature. If smoke occurs, please cut off the power in time, use a carbon dioxide or dry powder fire extinguisher for treatment, and bury it with sand or mud. The crowd must be evacuated in time during the entire process.
5. Unreasonable use of this series of products may cause the single battery to swell. In severe cases, it may cause the casing to rupture or crack. In these conditions, the battery should be stopped immediately. Please contact our technical department or after-sales service department for further solutions.
6. It is forbidden to short circuit the positive and negative terminal of the battery directly, and avoid any metal or other conductive objects contacting the positive and negative terminal of the battery. This operation may cause personal injury or property damage.
7. It is forbidden to immerse the battery in water or other conductive liquids. This operation may cause personal injury or property damage.
8. It is forbidden to use this product in series or parallel with other types of batteries. It is also forbidden to connect the whole system in series or parallel operation with other batteries. These operations may cause personal injury or property loss. If necessary, please contact the relevant technical department to obtain the correct technical support.
9. It is forbidden to get wet in an environment of more than 95%RH, even immerse in water.
Otherwise, it may cause internal short circuits, loss of function, or abnormal chemical reactions, and cause fire, smoke, explosion, and other accidents.
10. It is forbidden to put the battery system on fire or to be exposed to a high-temperature environment exceeding the temperature conditions specified in this specification for a long time. These environments above the safe temperature range will cause a significant decrease in the performance and life of this product, and even cause serious consequences such as combustion and explosion.
11. It is forbidden to store and use in an environment with high static electricity or high electromagnetic radiation. Otherwise, the electronic devices in this product will be damaged, which may cause potential safety hazards.
12. Connect the positive and negative terminal of the battery system strictly by the instructions, and reverse charging is prohibited.
13. When the electrolyte leaks, avoid contacting the electrolyte with skin and eyes. In case of contact, wash the area with plenty of water and seek medical assistance. It is forbidden for any person or animal to swallow any part of the battery system or the substance contained in the battery system.
14. Protect the battery system as much as possible to avoid mechanical vibration, collision, and pressure shock, otherwise, the battery system may short circuit, resulting in high temperature and fire.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR252342". Items marked "" are certified.
Company Profile
Sunstone Power Industry Co., Ltd. is a company with 20 years of experience in the production and sales for energy products. Established in 2003, the company has grown into an enterprise group that consists of two factories in China: A lead-acid battery production factory in Yichun City, Jiangxi P. R, and a lithium battery production factory in DongGuan City, Guangdong P. R.; Two overseas companies are also established: Sunstone Power Industrial GmbH in Germany, and PT. Solid Power Energi in Indonesia.
Sunstone Power Group supplies high-quality batteries and other energy products to worldwide customers located in more than 100 countries. Furthermore, our German and Indonesian companies have their own office/warehouse which always keeps stocks to provide fast logistics and service to local clients. Moreover, In Germany, we also supply the whole solution for home use solar systems, camper van solar systems, etc. Besides our own overseas companies, we also built exclusive distributors in Malaysia, Yemen, Iraq, Mauritania, South Africa, Russia, Venezuela Honduras, and Costa Rica.
About Our Factory & Business Background
- Address
- Room 1803A, Hall B, Tiley Central Palaza, Haide Third Road, Nanshan Dist. Shenzhen, China
- Terms of Payment
- LC, T/T, Western Union
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: one month - Nearest Port
- Shenzhen
Our Production Capability & Technical Expertise
Our Industry Experience & Global Business Record
- Export Year
- 2003-07-08
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the warranty period for this battery?
- The battery comes with a 3-year warranty covering mechanical defects and performance issues.
- What is the cycle life of the LiFePO4 battery?
- It offers over 6000 cycles at 80% Depth of Discharge (DOD) at 0.5C rate.
- Can I monitor the battery status remotely?
- Yes, it features Bluetooth connectivity allowing you to check detailed status via a mobile APP.
- What are the dimensions and weight of the battery?
- The dimensions are 483*170*240 mm, and the weight is 26 kg.
- What certifications does the battery have?
- The battery is certified with CE, IEC, and UN38.3 standards for safety and quality.
- How long is the lead time for production?
- Production lead time is 30-35 days after receiving the deposit, depending on the order quantity.
- Is the battery suitable for solar energy storage?
- Yes, it is specifically designed for solar energy storage, backup power, and off-grid applications.
- What payment methods are accepted?
- We accept T/T, Western Union, PayPal, and LC (Letter of Credit) for payments.
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