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CATL 40AH NCM CELL
The CATL 40Ah is an aluminum-case prismatic NCM lithium-ion cell with a stated nominal voltage of 3.7V and nominal capacity of 40Ah. Its calculated nominal energy is approximately 148Wh per cell.
The supplied dimensions are 27 × 148 × 91mm, with an approximate weight of 0.84kg. Confirm the exact manufacturer model, charging and discharging limits, temperature range and dimensional tolerances before selecting the cell for a battery pack.
CATL 40AH NCM CELL
| Brand | CATL |
| Manufacturer Model | To be confirmed |
| Chemistry | NCM lithium-ion |
| Cell Format | Prismatic aluminum case |
| Nominal Voltage | 3.7V |
| Nominal Capacity | 40Ah / 40000mAh |
| Nominal Energy | Approx. 148Wh, calculated from 3.7V × 40Ah |
| AC Internal Resistance | Approx. 0.8mΩ; measurement conditions to be confirmed |
| Reference Charge Rate | 0.5C / 20A; reference value, operating limits to be confirmed |
| Reference Discharge Rate | 1C / 40A; reference value, operating limits to be confirmed |
| Dimensions | 27 × 148 × 91mm (thickness × width × height) |
| Weight | Approx. 0.84kg |
| Gravimetric Energy Density | Approx. 176.2Wh/kg, calculated from nominal energy and stated weight |
| Volumetric Energy Density | Approx. 407Wh/L, calculated from nominal energy and stated external dimensions |
Specifications are based on supplied product information. Confirm the exact cell model, voltage limits, permissible currents, operating temperatures and dimensional tolerances before use.
CATL 40AH NCM CELL
01. 40Ah Nominal Capacity
The stated 3.7V nominal voltage and 40Ah capacity provide approximately 148Wh of calculated nominal energy per cell.
02. Aluminum-Case Prismatic Format
The supplied cell dimensions are 27 × 148 × 91mm. Confirm the complete drawing, tolerances and terminal arrangement before mechanical integration.
03. Electrical Data for Initial Evaluation
The supplied information lists approximately 0.8mΩ AC internal resistance. Measurement conditions and permissible operating currents should be confirmed for the exact cell.
CATL 40AH NCM CELL
This cell may be evaluated for custom battery pack projects where its prismatic format, capacity and dimensions meet the system requirements. Suitability depends on verification of the exact cell and the intended operating conditions.
Before selection, confirm the charging and discharge voltage limits, continuous and peak currents, operating temperatures, cycle performance, terminal connections and dimensional tolerances. The complete pack requires appropriate protection and thermal management.
Explore the NCM battery range or read the guide to selecting NMC prismatic cells for battery packs.
Are 20A charge and 40A discharge confirmed maximum ratings?
No. They are supplied as reference values, equivalent to 0.5C and 1C respectively. Confirm the permissible charging and discharging currents for the exact cell before use.
What is the nominal energy of the cell?
The nominal estimate is 148Wh, calculated as 3.7V × 40Ah. Actual delivered energy depends on the discharge conditions.
Can this cell replace another 40Ah prismatic cell?
Capacity alone does not establish compatibility. Check the exact model, voltage limits, dimensions, terminals, current requirements, cooling and battery management system.
CATL 40AH NCM CELL
Misenpower can discuss cell sourcing and selection for your battery project. Please provide the required quantity, application, pack configuration, operating current and temperature range.
Contact us to confirm the exact cell model, availability and applicable technical information. Product and shipping documents may be requested, subject to availability and authorization.
Use the product inquiry form to share your project requirements with our team.
