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CATL S5E891 CELL
The CATL S5E891 is a prismatic NCM lithium-ion cell with a stated discharge capacity of ≥50Ah at 0.33C and ≥48Ah at 1C. The corresponding nominal voltages are 3.65V and 3.60V respectively.
The supplied information lists a maximum continuous discharge current of 96A at 25°C, alongside separately defined pulse ratings. Confirm the applicable cell revision, temperature-dependent charge limits and complete pack protection requirements before integration.
CATL S5E891 CELL
| Brand | CATL |
| Cell Model | S5E891 |
| Chemistry and Format | Rechargeable prismatic NCM lithium-ion cell |
| Capacity at 0.33C | ≥50Ah |
| Capacity at 1C | ≥48Ah |
| Nominal Voltage | 3.65V at 0.33C; 3.60V at 1C |
| Discharge Energy | ≥182.5Wh at 0.33C; ≥172.8Wh at 1C |
| Charge Cut-off Voltage | 4.2V |
| Room-Temperature Discharge Cut-off | 2.8V |
| Standard Charge Current | 16A |
| Maximum Continuous Discharge | 96A at 25°C |
| Pulse Discharge | 257A for up to 30 seconds at 25°C and 50% SOC; 397A for up to 10 seconds at 25°C and 50% SOC |
| Initial AC Internal Resistance | ≤1.0mΩ |
| Average AC Internal Resistance | Approx. 0.65mΩ |
| Thickness | 26.22 ± 0.30mm |
| Width | 148.3 ± 0.3mm |
| Height Including Terminals | 97.9 ± 0.6mm |
| Height Excluding Terminals | 91 ± 0.6mm |
| Weight | ≤860g |
| Charging Temperature | −20°C to 55°C; temperature-dependent current limits apply |
| Discharging Temperature | −30°C to 55°C |
| Cycle Life | ≥1500 cycles to 80% capacity retention; test conditions to be confirmed |
Confirm the applicable cell revision and temperature-specific charging current limits before pack design. Pulse ratings apply only under their stated temperature, SOC and duration conditions.
CATL S5E891 CELL
01. Capacity Specified at Two Discharge Rates
The supplied specification lists ≥50Ah at 0.33C and ≥48Ah at 1C, allowing buyers to compare capacity against the relevant discharge condition.
02. 96A Continuous Discharge at 25°C
The listed maximum continuous discharge current is 96A at 25°C. Confirm applicable limits at other temperatures before selecting pack components.
03. Defined Pulse Ratings
The stated pulse ratings are 257A for up to 30 seconds and 397A for up to 10 seconds, both at 25°C and 50% SOC.
04. Prismatic Dimensions with Terminal Height
The specified height is 97.9 ± 0.6mm including terminals and 91 ± 0.6mm excluding terminals, helping designers assess the complete installation envelope.
CATL S5E891 CELL
The S5E891 may be evaluated for custom battery pack projects where its capacity, prismatic dimensions and verified current capabilities meet the system requirements.
Confirm the exact cell revision, terminal arrangement and current limits across the intended temperature range. The listed charging range requires temperature-dependent current control; suitable pack protection and thermal management must also be designed for the application.
Explore the NCM battery range or read the guide to selecting NMC prismatic cells for battery packs.
Is the S5E891 a 48Ah or 50Ah cell?
Both figures refer to different discharge conditions: the supplied specification lists ≥50Ah at 0.33C and ≥48Ah at 1C.
Can the cell continuously discharge at 397A?
No. The supplied 397A value is a pulse rating for up to 10 seconds at 25°C and 50% SOC. The listed maximum continuous discharge current is 96A at 25°C.
Can the cell be charged at −20°C at the standard 16A current?
The supplied charging range extends to −20°C, but charging current must be limited according to temperature. The applicable low-temperature limit should be confirmed from the complete cell specification before use.
CATL S5E891 CELL
Misenpower can discuss S5E891 cell sourcing and selection for your battery project. Please share the required quantity, pack configuration, current profile, operating temperature range and intended application.
Contact us to confirm the exact part number, cell revision, availability and applicable technical information. Product and shipping documentation may be requested, subject to availability and authorization.
Use the product inquiry form to share your project requirements with our team.
