China Best Li-ion Battery OEM Factory 18650-3.7V2500mAh 3S2P Battery Pack 11.1V5000mAh Custom Batteries For Bluetooth Speaker
Koxin specializes in custom lithium battery packs, coin cell & polymer Li-ion batteries, and smart BMS solutions. We provide small-scale, niche battery products with reliable quality and OEM customization.
NMC Batteries · NMC Battery Pack · OEM Battery Pack Design
Inquire about this productProduct details
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No. |
Items |
Parameter |
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1 |
Product Model |
NMC 11.1V5000mAh 18650-3.7V2500mAh 3S2P |
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2 |
Normal Voltage |
11.1V |
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3 |
Rated Capacity |
5 Ah(C5) |
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4 |
Min Capacity |
4.9 Ah(C5) |
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5 |
Energy |
About 55.5 Wh |
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6 |
Internal Resistance |
≤100mΩ |
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7 |
Size |
（55.5±1）mm*（37±1）mm*（73±1）mm |
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8 |
weight |
330±20 g |
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9 |
Shell material |
PVC |
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10 |
Charge Voltage |
14.8±0.15V |
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11 |
Standard Cutoff Voltage |
about 8.25V |
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12 |
Charge Current |
≤2A |
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13 |
Charging cut-off current |
0.02C |
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14 |
Discharge Current |
Normal Current |
≤5A |
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15 |
Passive Protection Function |
Over charge protection, Over discharge protection, Short Circuit Protection, Over Current Protection |
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16 |
Positive |
JST Connector 20AWG 100mm |
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17 |
Negative |
JST Connector 20AWG 100mm |
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18 |
Charge Retention |
After charging according to standard 3.2, placing the battery for 28 days under the standard test conditions, then discharge it under standard 3.3, and the charge retention rate is ≥80%. |
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19 |
Cycle time |
The cycle life is not less than 1000, the capacity retention rate is ≥80%. (Charging according to 3.2 standard, leaving 0.5~1h; discharging according to 3.3 standard, leaving 0.5~1h, counting 1 cycle time). |
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