LCO Battery Cell
Lithium cobalt oxide battery cell
This battery offers a high energy density, ranging from 165 to 264 Wh/kg, while providing a stable discharge voltage for smooth and consistent power output. It supports high continuous discharge rates from 10C to 35C, with even higher peak rates reaching 50C to 80C. Although it has a relatively short cycle life—typically between 500 to 1,000 cycles—it remains suitable for applications requiring high power and compact energy storage.
Test method: Under normal temperature, 0.5C constant current constant voltage charge to 4.35V, cut-off current 0.05C; Let it sit for 10min and then drain it to 2.5V at 0.5C.
| Item | 0.5C Charging Capacity(Ah) | 0.5C Discharging Capacity(Ah) | Charge And Discharge Efficiency(％) |
|---|---|---|---|
|
1C |
3.244 |
100.0 |
100.0 |
Test method: Under normal temperature, 0.5C constant current constant voltage charge to 4.35V, cut-off current 0.05C; At -40°C for 4~6h, and then at 0.2C, 0.5C constant discharge to 2.4V.
| Temperature | Rate of multiplication | Capacity(Ah) | Median Voltage(V) | Capacity Retention Rate(％) |
|---|---|---|---|---|
|
RT
|
1C
|
31.65
|
3.569
|
100.00
|
|
-40℃
|
0.2C
|
19.82
|
3.103
|
62.62
|
|
-40℃
|
0.5C
|
18.43
|
2.939
|
58.23
|
Test method: At room temperature, 0.5C constant current constant voltage charge to 4.2V, cut-off current 0.05C; After being stored at 60℃ for 7d, 70℃ for 24h and 70℃ for 48h, the current was discharged to 3.0V at 1C. Then charge 1C at 0.5C, cycle 3 times, record ACR, thickness, capacity before and after storage.
Test method: Under normal temperature, 0.5C constant current and constant voltage charge to 4.35V, cut-off current 0.05C; Put it on for min, and then discharge it to 2.5V at 0.2C, 0.5C, 1C, 3C and 5C.
| Rate of Multiplication | Capacity(Ah) | Median Voltage(V) | TCapacity Retention Rate(％) |
|---|---|---|---|
|
0.2C
|
32.22
|
3.619
|
3.619
|
|
0.5C
|
31.88
|
3.603
|
98.9
|
|
1C
|
31.71
|
3.569
|
98.4
|
|
3C
|
31.93
|
3.430
|
99.1
|
|
5C
|
31.77
|
3.339
|
98.6
|
Test method a: Under normal temperature, 1C constant current and constant voltage charge to 4.35V, cut-off current 0.05C: leave for 15min, then 2C constant discharge to 2.75V, do cycle test.
Test method b: Under normal temperature, 2C constant current and constant voltage charge to 4.35V, cut-off current 0.05C: leave for 15min, then 3C constant discharge to 2.75V, do cycle test.
| Cycle Number | 1C Charge 2C Discharge | 2C Charge 3C Discharge |
|---|---|---|
|
1 |
100.0 |
100.0 |
|
100 |
99.0 |
98.6
|
|
200
|
98.0
|
95.9 |
|
300 |
95.6 |
95.1 |
|
400 |
94.6
|
93.0
|
|
500
|
91.5
|
91.1
|
|
600
|
89.7
|
90.3
|
|
700
|
85.8
|
86.8
|
|
800
|
82.9
|
84.2
|
|
900
|
/
|
81.0
|
|
1000
|
/
|
80.3(966th)
|
Test method: Under normal temperature, 0.5C constant current constant voltage charge to 4.35V, cut-off current 0.05C; Let it sit for 10min and then drain it to 2.5V at 0.5C.
| Item | 0.5C Charging Capacity(Ah) | 0.5C Discharging Capacity(Ah) | Charge And Discharge Efficiency(％) |
|---|---|---|---|
|
1C |
3.244 |
100.0 |
100.0 |
Test method: Under normal temperature, 0.5C constant current constant voltage charge to 4.35V, cut-off current 0.05C; At -40°C for 4~6h, and then at 0.2C, 0.5C constant discharge to 2.4V.
| Temperature | Rate of multiplication | Capacity(Ah) | Median Voltage(V) | Capacity Retention Rate(％) |
|---|---|---|---|---|
|
RT
|
1C
|
31.65
|
3.569
|
100.00
|
|
-40℃
|
0.2C
|
19.82
|
3.103
|
62.62
|
|
-40℃
|
0.5C
|
18.43
|
2.939
|
58.23
|
Test method: At room temperature, 0.5C constant current constant voltage charge to 4.2V, cut-off current 0.05C; After being stored at 60℃ for 7d, 70℃ for 24h and 70℃ for 48h, the current was discharged to 3.0V at 1C. Then charge 1C at 0.5C, cycle 3 times, record ACR, thickness, capacity before and after storage.
Test method: Under normal temperature, 0.5C constant current and constant voltage charge to 4.35V, cut-off current 0.05C; Put it on for min, and then discharge it to 2.5V at 0.2C, 0.5C, 1C, 3C and 5C.
| Rate of Multiplication | Capacity(Ah) | Median Voltage(V) | TCapacity Retention Rate(％) |
|---|---|---|---|
|
0.2C
|
32.22
|
3.619
|
3.619
|
|
0.5C
|
31.88
|
3.603
|
98.9
|
|
1C
|
31.71
|
3.569
|
98.4
|
|
3C
|
31.93
|
3.430
|
99.1
|
|
5C
|
31.77
|
3.339
|
98.6
|
Test method a: Under normal temperature, 1C constant current and constant voltage charge to 4.35V, cut-off current 0.05C: leave for 15min, then 2C constant discharge to 2.75V, do cycle test.
Test method b: Under normal temperature, 2C constant current and constant voltage charge to 4.35V, cut-off current 0.05C: leave for 15min, then 3C constant discharge to 2.75V, do cycle test.
| Cycle Number | 1C Charge 2C Discharge | 2C Charge 3C Discharge |
|---|---|---|
|
1 |
100.0 |
100.0 |
|
100 |
99.0 |
98.6
|
|
200
|
98.0
|
95.9 |
|
300 |
95.6 |
95.1 |
|
400 |
94.6
|
93.0
|
|
500
|
91.5
|
91.1
|
|
600
|
89.7
|
90.3
|
|
700
|
85.8
|
86.8
|
|
800
|
82.9
|
84.2
|
|
900
|
/
|
81.0
|
|
1000
|
/
|
80.3(966th)
|
specifications
Model | Nominal Voltage(V) | Capacity (mAh) | Energy (Wh) | Internal Resistance(mΩ) | Weight(g) | Size (mm) | Charging Rate(C) | Discharge Rate(C) | Weight Energy Density(WH/KG) |
EB8243126HPC | 3.7 | 4000 | 14.8 | ≤3.0 | 90 | 8.2*42.8*126.8 | 2 | 35 | 165 |
EB1043126HPC | 3.7 | 5000 | 18.5 | ≤2.5 | 120 | 10*43.8*126.8 | 2 | 35 | 155 |
EB9048145HPC | 3.7 | 6000 | 22.2 | ≤2.5 | 145 | 9*48.8*145.8 | 2 | 35 | 154 |
EB9059156HPC | 3.7 | 8000 | 29.6 | ≤3.0 | 185 | 9*59.8*156.8 | 2 | 35 | 160 |
EB1059156HPC | 3.7 | 10000 | 37.0 | ≤3.0 | 215 | 10.2*59.8*156.8 | 2 | 25 | 173 |
EB6365188HPC | 3.7 | 8300 | 30.7 | ≤2.0 | 163 | 6.3*65*187 | 2 | 15 | 189 |
EB8365188HPC | 3.7 | 10000 | 37.0 | ≤1.4 | 214 | 8.1*65*187.5 | 2 | 10 | 173 |
EB10270169HPC | 3.7 | 12000 | 44.4 | ≤1.2 | 254 | 10.2*70.5*169 | 2 | 10 | 175 |
EB11674171HPC | 3.7 | 16000 | 59.2 | ≤1.2 | 309 | 11.6*74.5*171.5 | 2 | 10 | 192 |
EB11096190HPC | 3.7 | 22000 | 81.4 | ≤0.9 | 416 | 10.8*96*190.5 | 2 | 10 | 196 |
EB11098212HPC | 3.7 | 27000 | 99.9 | ≤0.8 | 498 | 11.0*98*214 | 2 | 10 | 201 |
EB10590195HPV | 3.85 | 25000 | 96.25 | ≤0.9 | 390 | 10.5*90*195 | 2 | 10 | 247 |
EB11098198HPV | 3.9 | 30000 | 117.0 | ≤0.9 | 445 | 11.0*98*198 | 2 | 10 | 263 |
EB11098198HPV | 3.9 | 32000 | 124.8 | ≤0.9 | 474 | 11.0*98*198 | 2 | 10 | 264 |
● Nominal Voltage(V): 3.7
● Capacity(mAh): 4000
● Energy(Wh): 14.8
● Internal Resistance(mΩ): ≤3.0
● Weight(g): 90
● Size(mm): 8.2*42.8*126.8
● Charging Rate(C): 2
● Discharging Rate(C): 35
● Weight Energy Density(WH/KG): 165
● Nominal Voltage(V): 3.7
● Capacity(mAh): 5000
● Energy(Wh): 18.5
● Internal Resistance(mΩ): ≤2.5
● Weight(g): 120
● Size(mm): 10*43.8*126.8
● Charging Rate(C): 2
● Discharging Rate(C): 35
● Weight Energy Density(WH/KG): 155
● Nominal Voltage(V): 3.7
● Capacity(mAh): 6000
● Energy(Wh): 22.2
● Internal Resistance(mΩ): ≤2.5
● Weight(g): 145
● Size(mm): 9*48.8*145.8
● Charging Rate(C): 2
● Discharging Rate(C): 35
● Weight Energy Density(WH/KG): 154
● Nominal Voltage(V): 3.7
● Capacity(mAh): 8000
● Energy(Wh): 29.6
● Internal Resistance(mΩ): ≤3.0
● Weight(g): 185
● Size(mm): 9*59.8*156.8
● Charging Rate(C): 2
● Discharging Rate(C): 35
● Weight Energy Density(WH/KG): 160
● Nominal Voltage(V): 3.7
● Capacity(mAh): 10000
● Energy(Wh): 37.0
● Internal Resistance(mΩ): ≤3.0
● Weight(g): 215
● Size(mm): 10.2*59.8*156.8
● Charging Rate(C): 2
● Discharging Rate(C): 25
● Weight Energy Density(WH/KG): 173
● Nominal Voltage(V): 3.7
● Capacity(mAh): 8300
● Energy(Wh): 30.7
● Internal Resistance(mΩ): ≤2.0
● Weight(g): 163
● Size(mm): 6.3*65*187
● Charging Rate(C): 2
● Discharging Rate(C): 15
● Weight Energy Density(WH/KG): 189
● Nominal Voltage(V): 3.7
● Capacity(mAh): 10000
● Energy(Wh): 37.0
● Internal Resistance(mΩ): ≤1.4
● Weight(g): 214
● Size(mm): 8.1*65*187.5
● Charging Rate(C): 2
● Discharging Rate(C): 10
● Weight Energy Density(WH/KG): 173
● Nominal Voltage(V): 3.7
● Capacity(mAh): 12000
● Energy(Wh): 44.4
● Internal Resistance(mΩ): ≤1.2
● Weight(g): 254
● Size(mm): 10.2*70.5*169
● Charging Rate(C): 2
● Discharging Rate(C): 10
● Weight Energy Density(WH/KG): 175
● Nominal Voltage(V): 3.7
● Capacity(mAh): 16000
● Energy(Wh): 59.2
● Internal Resistance(mΩ): ≤1.2
● Weight(g): 309
● Size(mm): 11.6*74.5*171.5
● Charging Rate(C): 2
● Discharging Rate(C): 10
● Weight Energy Density(WH/KG): 192
● Nominal Voltage(V): 3.7
● Capacity(mAh): 22000
● Energy(Wh): 81.4
● Internal Resistance(mΩ): ≤0.9
● Weight(g): 416
● Size(mm): 10.8*96*190.5
● Charging Rate(C): 2
● Discharging Rate(C): 10
● Weight Energy Density(WH/KG): 196
● Nominal Voltage(V): 3.7
● Capacity(mAh): 27000
● Energy(Wh): 99.9
● Internal Resistance(mΩ): ≤0.8
● Weight(g): 498
● Size(mm): 11.0*98*214
● Charging Rate(C): 2
● Discharging Rate(C): 10
● Weight Energy Density(WH/KG): 201
● Nominal Voltage(V): 3.85
● Capacity(mAh): 25000
● Energy(Wh): 96.25
● Internal Resistance(mΩ): ≤0.9
● Weight(g): 390
● Size(mm): 10.5*90*195
● Charging Rate(C): 2
● Discharging Rate(C): 10
● Weight Energy Density(WH/KG): 247
● Nominal Voltage(V): 3.9
● Capacity(mAh): 30000
● Energy(Wh): 117.0
● Internal Resistance(mΩ): ≤0.9
● Weight(g): 445
● Size(mm): 11.0*98*198
● Charging Rate(C): 2
● Discharging Rate(C): 10
● Weight Energy Density(WH/KG): 263
● Nominal Voltage(V): 3.9
● Capacity(mAh): 32000
● Energy(Wh): 124.8
● Internal Resistance(mΩ): ≤0.9
● Weight(g): 474
● Size(mm): 11.0*98*198
● Charging Rate(C): 2
● Discharging Rate(C): 10
● Weight Energy Density(WH/KG): 264
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