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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.

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Product details

No.

Items

Parameter

1 

Product Model

NMC 11.1V5000mAh 18650-3.7V2500mAh 3S2P

2 

Normal Voltage

11.1V

3 

Rated Capacity

5 Ah(C5)

4 

Min Capacity

4.9 Ah(C5)

5 

Energy

About 55.5 Wh

6 

Internal Resistance

≤100mΩ

7 

Size

(55.5±1)mm*(37±1)mm*(73±1)mm

8 

weight

330±20 g

9 

Shell material  

PVC

10 

Charge Voltage

14.8±0.15V

11 

Standard Cutoff Voltage

about 8.25V

12 

Charge Current

≤2A

13 

Charging cut-off current

0.02C

14 

Discharge Current

Normal Current

≤5A

15 

Passive Protection Function

Over charge protection, Over discharge protection, Short Circuit Protection, Over Current Protection

16 

Positive

JST Connector 20AWG  100mm

17 

Negative

JST Connector 20AWG  100mm

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%.

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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Product: China Best Li-ion Battery OEM Factory 18650-3.7V2500mAh 3S2P Battery Pack 11.1V5000mAh Custom Batteries For Bluetooth Speaker