14.8V deep cycle lithium ion battery packs

 NO.

Items

Specifications

1

Charge voltage

16.8V

2

Nominal voltage

14.8V(4S5P)

3

Initial impedance

190mΩ

4

Nominal capacity

12.5Ah

5

Minimum capacity

12.0Ah

6

Low-temperature capacity

≥10Ah

When the battery is standard charged, it shall be put into chamber at ( -40±2 )℃for 8-16hrs,then discharged at 0.2C₅A (2.5A) constant current to10.0V

7

Charge current

Standard Charging::0.2C₅A (2.5A)

Rapid charge:0.5C₅A C(6.25A) Max

8

Standard Charging method

2.5A(0.2C₅A) CC(constant current)charge to16.8V,then CV(constant voltage 16.8V)charge till charge current decline to ≤125mA(≈0.01C₅A)

9

Charging time

Standard Charging:6.5hours(Ref.)

Rapid charge:    3.5hours(Ref.)

10

Max.discharge current

12.5A(1.0C₅A)

11

Discharge cut-off voltage

10.0V

12

Shelf life

2years

13

Cycle life (0.2C₅A/0.2C₅A)

500 times,≧80%DOD

14

Operating temperature

Charging:  0℃~+45℃

Discharging:-40℃~+60℃

15

Storage temperature

Less than 1 month

-10℃~+45℃

Percentage of recoverable capacity :85%

Less than 6 month

-40℃~+35℃

16

Pack Weight

Approx:1000g

17

Pack Dimension

Length:   Max93.00 mm

Width:    Max76.00mm

Thickness1:Max 76.00 mm