A1: Yes, our factory is in Shenzhen, china. Specializing in rechargeable batteries. Lithium ion batteries, lithium batteries and power batteries and chargers for more than 10 years.
A2: All of our e-bike batteries come with charger.We have normal charger and fast charger.If you need fast charger please contactwith us
A3: Yes, Our batteries all with SEIKO IC BMS, with stable performance.Which can protect the battery avoid short circuit,Overcharged,Overdischarge and Overcurrent.
A4: Electric Bike Battery will be sent out within 5 days after confirmed order,shipping will cost 3-15days,it depend on quantity and which battery you need.
The battery should have around 800-1200 recharge cycles, about 2-3 years.Its capacity diminishes over time, when it goes down to 75%,you should replace it.The more you use the bike, the better the battery retains its capacity, since it keeps the Lithium moving.
The battery should be stored in clean, dry, ventilated, dark environment when not using.Keep it after full charge,recharge it every 3 months or 6 months.
Yes, We are a professional Electric Bike Battery manufacture with factory, which produce all kind of high quality Ebike lithium batteries as customers' requirements and designs, welcome to place OEM and ODM orders and visit our factory.
Ebike Li-ion battery have longer cycle life,normal cyclelife is 6000-8000times, and also with light weight, small size, No-memory effect, Nontoxic, environmental.
The price come with Bus bars and Bolts，One Battery will come with one set bus bar and bolt（e.g.,If buy 4pcs battery,we will send 4pcs cells with 4pcs busbars and 8pcs bolts）If need more please contact us online.
Pack with strong package, each cell into thickness PE foam or bag, then into 5 layers strong carton.
MPPT 3.2V System Solar Inverter Specification Sheet
Product Features：
Zero leakage/explosion risks with LiFePO4 3.2V, 3x safer than 12V lead-acid.
25% better shading performance: >96% MPPT efficiency vs 93% average.
Support solar panel 10V(vs. 14V minimum standard).
Pure sine wave (THD <3%),Compatible with medical devices/precision instruments,Extends motor lifespan by 2 times.
40% less energy loss: 94% vs. 90% industry average.
Works at -10°C where lead-acid fails, ideal for polar/outdoor missions.
Real-time tracking: PV input, battery level, load status (no LCD on competitors).
0.1s short- circuit cut-off + overload/overheat protection, 3x safer than basic 12V systems.
| Model | WQ300 |
| Operating tempreture | -10~40℃ |
| Relative humidity | 0~95% |
| AC Output active power | |
| Rated output active power | 300W |
| Max. output active power | 300W |
| Rated Output Voltage | 220+2%Vac |
| Output Voltage Frequency | 50+0.5Hz |
| Max. Output Current | 1.39A |
| LifePO4 Bettery Input Parameters |
| Rated Voltage | 3.2V |
| Voltage range | 2.6~3.65V |
| Max. Charge Current | 50A |
| Max. Discharge Current | 120A |
| PV Inverter Input Parameters | |
| Max. Input Power | 300W |
| Max. Input Voltage | 50V |
| MPPT Operating Voltagre Range | 10~50V |
| Starting Voltage | 10V |
| Max. Input Current | 10A |
| Max. short-Circuit Current | 20A |
Based on the image information you provided, this MPPT 3.2V system solar inverter offers numerous advantages, particularly in the use of new energy batteries. Below is a detailed introduction to this battery that I have expanded for you:
Lifepo4 3.2V Battery System - The Ideal Choice for MPPT Solar Inverters
Place of Origin：
This battery is manufactured in China using high-standard production processes, ensuring its exceptional performance and stability. As a global leader in new energy battery production, China's battery manufacturing technology has reached world-leading standards. This Lifepo4 3.2V battery is a testament to this technology, offering a durable and reliable energy solution.
Usage Instructions：
The Lifepo4 3.2V battery is an efficient energy storage device suitable for various solar systems, particularly MPPT (Maximum Power Point Tracking) inverters, providing a stable power supply. Users simply need to connect the battery to the inverter according to the configuration of the solar panels to convert solar energy into electricity for use in homes, businesses, or outdoor activities. The battery supports parallel or series installation to meet different power requirements.
Application Scenarios：
1. Solar Energy Storage Systems: Suitable for residential or commercial solar power systems, providing users with clean and stable electricity.
2. Outdoor Equipment: Due to its ability to operate at extremely low temperatures (e.g., -10°C), this battery is particularly suitable for extreme environments such as polar regions, outdoor expeditions, and military missions.
3. Medical Equipment and Precision Instruments: The battery features pure sine wave output (THD <3%), making it compatible with medical equipment and precision instruments to ensure safe and stable operation.
4. Electric Tools and Electric Vehicles: The battery is not only suitable for static energy storage but can also be used for power supply in electric tools, electric bicycles, electric vehicles, etc., extending the lifespan of the equipment.
Advantages：
Higher Safety: Lifepo4 batteries are safer than traditional lead-acid batteries, featuring zero leakage and zero explosion risks.
Lower Energy Loss: Lifepo4 batteries have lower energy loss than traditional batteries (40% below the industry average), improving system efficiency.
Longer Service Life: This battery effectively extends the lifespan of motors, with a lifespan twice that of traditional batteries.
All-weather use: Its design is suitable for various extreme environments, particularly maintaining stable operation at temperatures as low as -10°C, far exceeding the performance of traditional lead-acid batteries.
This new energy battery is not only an ideal choice for personal and household use but also an efficient energy solution for remote areas, special missions, and commercial applications.
