# of batteries

12v

16v High Heat

High

Med

low

High

Med

low

Runtime in hours: Vest only

1

4

6.5

8

2.5

3.3

5.5

2

8

13

16

5.0

6.6

11

3

12

19.5

24

7.5

9.9

16.5

4

16

26

32

10

13

22

Runtime in hours: Vest and gloves

1

1.17

1.90

3.28

0.82

1.25

2.42

2

2.34

3.80

6.56

1.64

2.50

4.84

3

3.51

5.70

9.84

2.46

3.75

7.26

4

4.68

7.60

13.12

3.28

5.00

9.68

Runtime in hours: Gloves Only

1

1.65

2.75

5.50

1.22

2.00

4.40

2

3.30

5.50

11.0

2.44

4.00

8.80

3

4.95

8.25

16.5

3.67

6.00

13.2

4

6.60

11.0

22.0

4.89

8.00

17.6