Actual Long Term Cost Comparisons

Battery pack type

Lead acid

 

Nicad

DollyPack

Nimh Anton Bauer 100

Lithium ion

IDX/Dionic

Libertypak LP 12v-40

Libertypak LP 24v-20

Size

86 w (12v, 7.2 amps)

172 w (12v, 14.4 amps)

100w (14.4v, 7 amps)

80w (14.4v, 5.6 amps)

499w (12.6v, 39.6 amps)

582w (29.4v, 19.8 amps)

Packaged weight

12 lbs

21 lbs

5.6 lbs

1.5 lbs

7.8 lbs

8.6 lbs

List price

$215

$800

$500

$600

$1900.

$2100.

Cost per rated watt -hour (WH)

$2.50

$4.60

$5

$8

$3.60

$3.60

Average cycle life (published)

300

1000

500

1000

1000

1000

Cost per WH cycle (per 1/100th cent)

8

4

10

8

3

3