7.2V, 11.6Ah, 83Wh
7.2V, 13.6Ah, 98Wh

NH2057 Specification Summary

Part numbers:

NH2057HD29 - 2.9Ah cells, Low temp
NH2057ZD29 - 2.9Ah cells, Hi Power
NH2057HD34 - 3.4Ah cells, Hi Capacity

chemistry / cell array:

8 Li-Ion 18650 cells / 2S4P array

capacity / energy:

NH2057HD29 - 11.6Ah / 83Wh
NH2057ZD29 - 11.6Ah / 83Wh
NH2057HD34 - 13.6Ah / 98Wh


Vmax=8.4V Vnom=7.2 V Vcutoff=4.8V

eq. li content:


max continuous discharge

NH2057HD29- -8A
NH2057ZD29 - 12A
NH2057HD34 - 8A

max cont discharge to cutoff voltage

NH2057HD29 - 40W
NH2057ZD29 - 60W
NH2057HD34 - 40W


Fully SMBus rev 1.1 Compliant

data system:

Fully SBDS rev 1.1 Compliant


"CH" range desktop charger or other SMBus Level 3 compliant charger (LT 4100 recommended).

physical dimensions:

HEIGHT: 0.91" / 23.1mm
LENGTH: 6.0" / 152.4mm
WIDTH: 3.1" / 78.7mm
WEIGHT:  434g / 15.3oz

mating connector:

rec. battery cavity:

24 x 80mm cross section.
The battery should be centered within this cavity.

NH2057 Description

The NL2044 is designed and built in the USA by Inspired Energy Inc. You can buy any quantity from a single battery up to many thousands, all direct & built-to-order from Inspired Energy.

The NL2044 smart Li ion battery can be customized to meet your needs. Maybe a label change to your corporate livery? Or a firmware modification to modify the smart battery data to suit your needs? Or perhaps you need the battery performance changing. Creating custom-hybrids of standard batteries is a part of Inspired Energy's established expertise.

Inspired Energy manufacturers all products to order. We sell direct to clients globally in quantities from 1 to  >50,000. We accept Credit cards for small orders & samples.

If you are interested in purchasing a standard battery pack, or receiving a quotation please contact us at:
US Toll Free: 1-888-5-INSPIRE (1-888-546-7747) or USA 352 472 4855
or use the current email address shown on our contacts page.