Inch

Metric

1.2V DC

3V DC

3.2V DC

3.7V DC

4V DC

7.2V DC

9.6V DC

12V DC

14.4V DC

18V DC

20V DC

24V DC

28V DC

36V DC

48V DC

Alkaline

Lead Acid

Lead Calcium

Lithium

Nickel Cadmium (NiCad)

Nickel Metal Hydride (NiMH)

Silver Oxide

Zinc Air

Zinc Carbon

Less than 10,000 mA·h

10,000 mA·h to 19,999 mA·h

20,000 mA·h to 99,999 mA·h

100,000 mA·h to 199,999 mA·h

Alligator Clip

Button Top

Flat Top

Power Pole

Terminal

14500

16340

18500

18650

26650

10440

17335

17500

17670

18490

Rechargeable

Black & Decker

Bosch

Chapin

DeWalt

Dremel

K2 Energy

Makita

Milwaukee

1

2

4

6

8100-N/21

8220-1/28

103450

CGR18650CG

CR123R

K2123A

LFP123A

LFP18650

LFP26650E

LIC1865026CC

PMNN4434

PMNN4476

PMNN4497

RCR123A

Lithium Cobalt Oxide (LiCoO2)

Lithium Iron Phosphate (LiFePO4)

Lithium Nickel Manganese Cobalt Oxide (LiNiMnCoO2 or NMC)

Less than 10 A·h

10 A·h to 24.9 A·h

50 A·h to 99.9 A·h

100 A·h or greater

1 3/16"

1 11/16"

2"

2.1"

2 11/16"

2.7"

2.8"

2 13/16"

3.7"

3.8"

3 7/8"

5.2"

6"

6 1/2"

6.9"

8"

8.3"

8 1/2"

0.7"

0.8"

0.9"

1.3"

1 1/2"

2.9"

3"

4.5"

5 1/2"

5.9"

6"

7"

7.1"

7 11/16"

7.7"

8 1/2"

8 5/8"

8 13/16"

9"

10"

12.1"

12 3/8"

Exempt

5A991

EAR99

Compliant

Not Compliant

Compliant

Compliant with Exemptions

Not Compliant

0.4"

0.7"

0.8"

1"

1.4"

2 3/8"

2.5"

2.6"

3"

3 3/16"

3 7/16"

3 1/2"

6"

6.5"

6.6"

7 5/16"

8"

9 1/2"

10"

12"

100V AC to 240V AC

120V AC

5V DC

Motorola