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3.2V 2600mAh 18650 lithium NCM battery cell for home energy storage power wall
About 18650 Lithium NCM Battery Cell
Lithium battery is a type of battery that uses lithium metal or lithium alloy as the positive/negative electrode material and uses a non-aqueous electrolyte solution.
Lithium batteries can be roughly divided into two categories: lithium metal batteries and lithium ion batteries. Lithium-ion batteries do not contain metallic lithium and are rechargeable.
18650 lithium ion battery uses lithium, cobalt, manganese (LiNixCoyMnzO2) as positive electrode, abbreviated as NCM battery, with dimensions 18mm × 65mm high.
Deligreen's 18650 supplies good quality and real 2600mAh capacity.
Lithium Battery: The Future Replacement for Lead Acid Batteries
Battery Type
LiFePO4 Battery
Lead Acid Battery
Nominal Voltage
3.2V
2V
Energy Density
180Wh/kg
30Wh/kg
Weight
Light
Heavy
CBM
Small
Big
Safety Rate
High
Low
Cycles
3500
500
Memory
No
Yes
Environmental Protection
Environmental protection and pollution-free
Pollution
More and more people choose lithium batteries to replace lead acid batteries. Lithium offers deeper cycles up to 2000 times, much longer than lead acid. You don't need to change batteries as frequently as with lead acid, which can save costs.
3.7V 2600mAh 18650 NCM Battery Parameters
Items
Specification
Remarks
Nominal Capacity
2600mAh
0.2 C5A Discharge
Nominal Voltage
3.7V
Discharge Cut-off Voltage
2.75V
0.2 C5A Discharge
Charge Limited Voltage
4.2±0.03V
0℃~ +45℃
Standard Charge Current
0.2 C5A
0℃~ +45℃
Standard Discharge Current
0.2 C5A
-10℃~ +60℃
Rapid Charge Current
0.5C5A
0℃~ +45℃
Rapid Discharge Current
0.5C5A
-10℃~ +60℃
Max. Discharge Current
1C5A
Limited Voltage 2.75V
Internal Impedance
≤60mΩ
At AC 1kHz
Weight
About 48.0g
Storage Temperature Range
≤ one month: -20~45℃ ≤ three months: 0℃~+30℃ ≤ a year: 20±5℃
Ex-factory Voltage 3.85~4.10V
NCM is one of the most widely used lithium ion batteries. Compared to LiFePO4 lithium batteries, NCM batteries have a higher voltage of 3.7V, which provides higher energy density (180Wh/kg vs LiFePO4's 120Wh/kg). Many major automobile manufacturers choose NCM for electric vehicles, such as Tesla.
Quality Testing
Items
Test Conditions
Specification
Fully Charged
Using 0.2 C5A constant current charging, when battery voltage reaches 4.2V, switch to constant voltage charging until charging current ≤ 0.01 C5A, with 8-hour charging time limit
Cycle Life
After 300 charge/discharge cycles, measure discharge capacity with 0.2 C5A discharge current and 2.75V cut-off voltage
≥80% Nominal Capacity
Storage Characteristics
Measure discharge capacity with 0.2 C5A discharge current and 2.75V cut-off voltage after stored at room temperature for 28 days at full charge
Capacity Retention ≥85%
Discharge Characteristics
0.2 C5A discharge current, 3.0V cut-off voltage
≥100% Nominal Capacity
0.5 C5A discharge current, 3.0V cut-off voltage
0.5C/0.2C = 90%
1 C5A discharge current, 3.0V cut-off voltage
1C/0.2C = 85%
2 C5A discharge current, 3.0V cut-off voltage
2C/0.2C = 80%
Performance Features
Deep Cycle/Recycle Lithium Battery
18650 NCM battery performs very well in low temperatures. If you need a battery for lower temperature applications, NCM battery is an excellent option.
Operating Temperature Range: -20°C to 60°C
Applications
18650 is one of the battery cells used for battery packs, suitable for numerous applications. The packs are IP55 rated for both indoor and outdoor use.
Please let us know your battery pack requirements, and we can customize your battery system.
Transportation & Delivery
Shipment to USA: By sea + Express (DDP, Tax free)
ETD: 5-8 days
ETA: 25-35 days after sailing
Tracking updates after pickup by local express (usually 15-25 days after sailing)
Shipment to EU: By railway + Express (DDP, Tax free) - Except Switzerland, Romania
ETD: 5-8 days
ETA: 30-45 working days after shipping
Tracking updates after pickup by local express (usually 25-40 working days after shipping)
Other: For remote areas not listed, please provide shipping address and zip code for verification.
About Us
Changsha Deligreen Power Co., LTD, founded in 2010, is a "Green Energy Solution Service Provider". We combine newest technology, innovative ideas, hard-working and honest people.
Focus: Lithium rechargeable batteries, BMS, Balancers, Chargers, and related products.
Main Applications: Electric bicycles, scooters, motorhomes, AGVs, solar/wind systems, energy storage systems, trucks, and more.
Our Promises:
Real lithium capacity
100% refund for any quality problems
100% replacement for any shipping damage
Lifetime fast technical support
Customer satisfaction is our endless pursuit. For any dissatisfaction, please email the manager: info@deligreenpower.com
Frequently Asked Questions
Q1: What is your MOQ?
A1: Generally speaking, our MOQ is 100 pieces, which varies with different products.
Q2: Are these batteries brand new?
A2: Yes, all batteries we provide are brand new.
Q3: Are the cells I bought balanced?
A3: We understand the importance of maintaining cell consistency in battery packs. We match and balance all cells before delivery to ensure internal resistance, voltage, and capacity are completely matched and balanced.
Q4: I am a distributor. Can I cooperate with the battery warehouse for a long time?
A4: Yes, individual pricing for large scale projects and wholesale demand is available.
Since 2010, after more than 10 years of development, we have become one of the largest lithium battery wholesalers.
We solely focus on high quality, grade A+, batteries.Because it can provide stable quality, truly achieve long life cycle, and have stable production capacity.
We cooperate with many...
Since 2010, after more than 10 years of development, we have become one of the largest lithium battery wholesalers.
We solely focus on high quality, grade A+, batteries.Because it can provide stable quality, truly achieve long life cycle, and have stable production capacity.
We cooperate with many...
