18650/4S3P Li-ion battery Pack 14.8V/7.8Ah

Model: AY-L04S03-065

ltem

Specification

Remark

Nominal capacity

7.8Ah

Samsung 18650 3.7V 2.6Ah

Nominal voltage

14.8V

3.7V/1Cell

Charging voltage

16.8V±0.05V

4.2V/1Cell

Charging method

CC/CV

(Constant-current and-Voltage with Limited current

Standard charging time

2000mA/6hour、3000mA/4hour

Battery capacity÷charging current×1.5

Charging current

3900mA(0.5C)

0~+40℃

Maximum charging current

7800mA(1C)

0~+40℃

Continuous discharge current

7.8A(1C)

-20~+60℃

Discharge cutoff  voltage

2.5V

2.5V/lCell

Short circuit protection

Exterior short circuit

Automatic recovery

Intermal resistance

≤200mΩ

AC lmpedance 1kHz

Cycle life

≥500

Operating temperature

Standard Charge

0~+40℃

Standard Discharge

-20~+60℃

Outline dimension

L76*W67*H59mm

Length x wide x height

Pre-wired

Red=Positive,Black=Negative

Protection Circuit Module: PCM-Li04S7-256

Maximal continuous charging current

7A

Maximal continuous Discharging current

7A

Over-charge detection voltage

4.25V±0.025V

Single cell

Over-charge release voltage

4.15V±0.05V

Single cell

Over-charge detection delay time

0.5S-1.5S

Single cell

Over-discharge detection voltage

2.50V±0.08V

Single cell

Over-discharge release Voltage

3.0±0.10V

Single cell

Over-discharge detection delaytime

50-150mS

Single cell

Over-current detection

20±3A

can adjust

Over-current delay time

5-15mS