14.8V 3000mAh NMC Battery Pack for Bluetooth Speakers

1 

Product Model

NMC 14.8V3000mAh Battery Pack

2 

Normal Voltage

14.8V

3 

Rated Capacity

 3000mAh(C₅)

4 

Min Capacity

2900mAh(C₅)

5 

Energy

About  Wh

6 

Internal Resistance

≤75mΩ

7 

Max Size

75*75*19.5mm

8 

weight

//

9 

Shell material  

PVC

10 

Charge Voltage

16.8±0.15V

11 

Standard Cutoff Voltage

about 11.2V

12 

Charge Current

≤ 1A

13 

Charging cut-off current

0.02C

14 

Discharge Current

Normal Current

≤ 3A

15 

Passive Protection Function

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

16 

Positive

JST Connector 22AWG  100mm

17 

Negative

JST Connector 22AWG  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 500, 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).