Large Capacity 26650 Lithium Ion Battery Cell 4000mah 3.2v For
Solar Lamp
PRODUCT DESCRIPTION
Battery Features:
1. Light, small, large capacity, high energy density and long cycle
life.
2. High safety, over charge and over discharge protection, meeting
international safety standards, such as CE, RoHS, UN38.3, MSDS,
FCC, BIS etc.
3. Wide operating temperature range, stable performance under high
and low temperature.
4. A variety of battery cell types for choice, suitable for many
different product fields.
5. Independent research, design and development, can be customized
as per customers' product requirements.
| Application field of lithium battery |
| Traffic Power Source | Electric Energy Storage Power Source | Mobile Communication Power Supply | New energy storage power supply | Aerospace Military Power Supply |
| Electric special vehicle: Electric golf car, electric sightseeing
car, electric engineering car, electric sweeper, electric forklift,
police patrol car, electric balance car | Photovoltaic off-grid and grid-connected energy storage power
station system | FTTX lithium battery backup | Electric lawn mowers, electric fishing traps, etc | Power supply for large ships (airline, war ship, large cruise ship,
cargo ship, etc.) |
Battery-operated motor cycle;
Electric motorcycle;
E-scooter | Grid peak regulation power supply | Communication building 336V HVDC data center backup power | Electric model, airplane model | Power supply for aircraft (power supply for large civil aircraft,
commercial aircraft, helicopter, fighter aircraft and other flight
instruments) |
EV;
Electric vehicles;
Cell-driven vehicles
(Hybrid and pure) | Special uninterruptible power supply system for power | Renewable energy (lithium iron battery + photovoltaic +...) Base
station power supply | Electric robot; Electromotive robot | Space vehicle power supply system (space shuttle, satellite,
rocket, missile, etc.) |
Electric bus/Medium bus
(Hybrid and pure) | Integrated power system | Non-physical site lithium battery backup power | Battery-operated toy | Military armor, power supply for civil large excavation equipment
(tank, armored vehicle, military large armored vehicle, civil large
excavation equipment, large crane, etc.) |
Specification
| ITEM | SPECIFICATION |
| Normal capacity | 4000 mAh@0.5C |
| Minimum capactiy | 3960 mAh@0.5C (Discharge the cell from 3.6V to 2.0V by 0.5C current) |
| Normal voltage | 3.2V |
| Charging voltage | 3.65 ± 0.05 V |
| Discharg ending voltage | 2.00 ± 0.05 V |
| Standard charge current | 0.5C (2000mA) |
| Standard discharge current | 1C (4000mA) |
| Max charge current | 1C (T ≥ 10℃) 0.2C (10℃>T≥0℃) |
| Max continuous discharge current | 3C (27℃ ≥ T ≥ 23℃) |
| Max pulse discharge current | 5C (27℃ ≥ T ≥ 23℃) |
| Max recommended charge and discharge cell body temperature | Charge:10~60℃ Discharge: 0~60℃ |
| Maximum short term allowable charge and discharge cell body
temperature. Charging and discharging at these conditions will
shorten cell cycle life. | Charge:60℃ Discharge: 75℃ |
| Internal resistance | ≤22mΩ (AC Impedance, 1000Hz) |
How to choose a high quality lithium battery?
1. A grade battery cell, with full capacity for each battery cell.
2. BMS: water proof, antistatic, over current protection, over
voltage protection, with sealed case.
3. Water proof case, plastic or steel case available by customer's
requirement.
4. High grade raw material.
5. 12 hours & 3 cycles charging/discharging test.
Cooperative relationship:
| Frequently asked questions |
| No. | Questions | Answers |
| 1 | Are you a factory or company? | Yes, we are a factory with 10 years experience, specialize in 18650
and 26650 lithium ion battery, lifepo4 battery. |
| 2 | Do you have MOQ for your batteries? | OEM orders MOQ is 10,000 pcs. We can also accept small quantity for
neutral orders, moq of 18650 battery is 400 pcs, and 26650 battery
is 192 pcs. |
| 3 | Can I have a sample order for battery? | Yes, we welcome sample order to test and check quality, samples are
free. Mixed samples are acceptable. |
| 4 | What is your production capacity? | Our production capacity can reach to 200,000 pcs per day. |
| 5 | What about the lead time? | Sample needs 1 day, neutral order of mass production needs 3-7
working days. If OEM of bulk orders, it would be about 7~15 days. |
