Audited Supplier
Item | Specification | Remarks | |
Typical Capacity | 15500mAh | 0.5C5A discharge | |
Minimum Capacity | 15000mAh | 0.5C5A discharge | |
Nominal Voltage | 3.2V | ||
Discharging Voltage (Min) | 2.0V | ||
Charging Voltage (Max) | 3.65±0.05V | ||
Charging Current(Std) | 3000mA | 0.2C5A(0 ~ +45°C) | |
Discharging Current(Std) | 3000mA | 0.2C5A(-20 ~ +60°C) | |
Max Charging Current | 15000mA | 1.0C5A(0 ~ +45°C) | |
Discharging Current(Max/Peak 3s) | 75000mA | 5.0C5A(-20 ~ +60°C) | |
Max continuous Discharging Current | 45000mA | 3.0C5A(5 ~ +45°C) | |
Internal Impedance | ≤3.0mW | AC Impedance 1kHz | |
Cell Weight | 300g | About | |
Storage temperature range | < 1 Month | -20 ~ +60°C | |
< 3 Month | -20 ~ +45°C | ||
<12 Month | -20 ~ +25°C | ||
Charging temperature range | 0 ~ +45°C | ||
Full Charge | The charger supplies 0.2C5A constant current until battery voltage reaches 3.65V,then be changed at constant voltage of 3.65V while tapering the charge current to less than or equal to 0.01C5A.Charging time is 5.0 hours in all. | |
Capacity | Within 1 hour after fully charged, discharged at 0.5C5A continuously down to 2.0V. | ³ 100% capacity |
Within 1 hour after fully charged, discharge at 1.0C5A continuously down to 2.0V. | ³ 95% capacity | |
Cycle life | A battery unit shall be repeated 3500 charge/discharge cycles, charged at CC-CV(0.2C5A-3.65V) for 5 hours, discharged at 0.5C5A continuously down to 2.0V Cut-off Voltage, Measure discharge capacity. | ³ 80% capacity |
Capacity retention | After fully charged, stored for 28 days at 20°C, then for 1 hour at normal temperature and continuously discharge at 0.2C5A to 2.0V. | Capacity retention rate ³ 95% |
Everbest is a company specializing in R&D and production of lithium batteries, including its own cell factory, battery assembly factory and BMS center. The quality is stable, the price is very cost-effective, and it has been widely praised in the market. Products are widely used in solar street lights, base stations, household and commercial solar systems, electric vehicles and other electric transport vehicles. We can also provide customize services and have many successful cases.
Currently our best-selling lithium cell are 18650 2600-3500mah, 21700 4000-5000mah, 32700 6000mah and high rate 8C-15C 18650 and 21700 for electric tools.
Hot-sell lithium batteries pack are12V, 24V 50-400AH which can directly replace lead-acid batteries, and rack-mounted batteries 48V 100AH.
We have strong technical force and advanced equipment. Our factories passed ISO9001 quality system certification, ISO14001 environmental system certification and ISO18001 health system certification; our products have passed the BIS, EU CE , ROHS, IEC certification, and form long-term strategic partnerships with power companies, photovoltaic energy storage companies, State Grid, China Southern Power Grid, products are exported to 50 countries and regions in the Americas, Europe, Oceania, the Middle East, Africa, Southeast Asia, gained a great reputation at home and abroad.
Q1: Are you a manufacturing factory?A1: Yes, We are a lithium battery manufacturer from China. Welcome to visit our factory and production process.If the quantity is suitable, we accept OEM/ODM.
Q2: What's your product range?
A2: We focus on Lithium-ion/LiFePO4 battery for residential and commercial energy storage system, portable power station,UPS etc.
Q3: What is the production time for your lithium battery?
A3: The sample delivery time is about 10-15 working days. The bulk order delivery time is about 15-20 working days according to quantity.
Q4: Can I buy one or two units for the sample first?
A4: Yes. Support sample service.Please contact us to place the order.
Q5: Is it OK to print my logo on the product?
A5: Yes.We support custom logo/size/color/etc, Free deign provided.
Q6: Why choose us?
A6: Reliable-- Our certifications like ISO , TUV is our commitment to quality and safety for our lithium batteries.
Advantage-- We provide Custom service: BMS function, high voltage or high current system, supporting free system solutions.
Professional--Factory is Professional manufactures Lithium Batteries(battery cell,battery pack, battery cabinet ) in China,GuangDong, Professional Experience with many famous companies cooperated.
