• N-Series
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ND2057QE34

7.2 V smart lithium-ion battery

Active Specs per datasheet Rev 2.0.1 UL approved

Voltage
7.2V
Capacity
6.8Ah
Energy
49Wh
Max discharge
8A
Power
40W
18650 cells
2S2P
Datasheet (Rev 2.0.1) Request a quote
ND2057QE34 product photo

Specifications (nominal & typical)

Source: datasheet Rev 2.0.1

Electrical

Voltage7.2 V
Capacity6.8 Ah
Energy49 Wh
Volumetric energy density313 Wh per litre
Gravimetric energy density204 Wh per kg
Maximum discharge current8 A
Power40 W
ChemistryLithium-ion
Cells4 × 18650
Configuration2S2P

Mechanical

Dimensions (L × W × H)86.4 × 78.7 × 23.02 mm (3.4 × 3.1 × 0.91 in)
Weight240 g (0.53 lb)
Form factorSquare
Device cavity23.5mm x 80mm cross section
Ingress protectionNone

Temperature limits

Discharge (operating)−20 °C to +60 °C
Charge0 °C to +45 °C
Storage−20 °C to +60 °C

Interface

Mating connectorAMP P/N 5787422-1 or 5787446-1
State-of-charge displayAlways on 5-Bar LCD

Compliance and shipping

CertificationsEMC Directive, UKCA, Battery Directive, RoHS3, REACH, WEEE, UN 38.3, CE, FCC Part 15 Class B, IEC 62133-2 (CB report), UL 62133-2
Equivalent lithium content4 g

Confirm every value against the datasheet before you commit a design. Weight and temperature limits are read from the datasheet; energy densities are calculated from it. Charge parameters and the pinout are on the datasheet.

Compatibility

Chargers

ChargerBaysChargeCalibrateSet SoC 25%Status
CH1000 1 Yes Yes No Active
CH4000 1 Yes No No Active
CH5000 1 Yes Yes No Active
CH4040 2 Yes No No Active
CH5555 4 Yes Yes No Active

Calibrate runs a full cycle so the fuel gauge reports true capacity. Set SoC 25% parks packs at storage charge for shipping.

Connectors

PartWhat it is
610005Straight Connector - TE Part Number: 5787446-1
61000790° Connector with Right-Hand Key - TE Part Number: 5787422-1
61001890° Connector with Left-Hand Key - TE Part Number 5787428-1
BL237AConnector Mounting Circuit Board
EB397AConnector Board with Ideal Diode Circuit.

Cables

PartWhat it is
6290283', 5-conductor straight cable for 204x, 205x, 304x & 305x range batteries.
6290303', 2-Conductor coiled cable

Accessories

PartWhat it is
936186Travel / dust cap for 205x range batteries
ATA004NUSB-to-SMBus smart battery interface with “Y” USB/Battery cable.
MC20501Belt pack holster for NDx05x batteries with integrated charger.
MC20502Belt pack holster for NDx05x batteries with integrated charger.
MC20503Belt pack holster for NDx057 batteries with integrated charger.
MC20504Belt pack holster for NDx057 batteries with integrated charger.
MC20505Belt pack holster for NDx05x batteries with integrated charger.
MP20501Belt pack holster for NDx05x batteries.
MP20502Belt pack holster for NDx05x batteries.
MP20503Belt pack holster for NDx05x batteries.

Compare with its family

Volume pricing available on every part.

ND2057QE34 This part NH2057QE34 Same family NH3057QE34 Same family ND2017QE34 Same series ND2037QE34 Same series
Voltage 7.2 V7.2 V7.2 V7.2 V7.2 V
Capacity 6.8 Ah13.6 Ah13.6 Ah6.8 Ah6.8 Ah
Energy 49 Wh98 Wh98 Wh49 Wh49 Wh
Max discharge 8 A10 A12 A3 A8 A
Power 40 W50 W60 W15 W40 W
Cells 4 × 186508 × 186508 × 186504 × 186504 × 18650
Configuration 2S2P2S4P2S4P2S2P2S2P
Dimensions (mm) 86.4 × 78.7 × 23.02153 × 78.7 × 23150.37 × 77.39 × 22.51144.65 × 37.59 × 20.07153 × 42 × 23
Volume (mm³) 156,529276,945261,952109,128147,798
Weight 240 g435 g435 g220 g240 g
Gravimetric density 204 Wh per kg225 Wh per kg225 Wh per kg223 Wh per kg204 Wh per kg
Discharge temperature −20 °C to +60 °C−20 °C to +60 °C−20 °C to +60 °C−20 °C to +60 °C−20 °C to +60 °C
SoC display Always on 5-Bar LCDAlways on 5-Bar LCDAlways on 5-Bar LCDPush button 4-bar LED-
Mating connector AMP P/N 5787422-1 or 5787446-1AMP P/N 5787422-1 or 5787446-1AMP P/N 5787422-1 or 5787446-15-Pin Standard ConnectorAMP P/N 5787422-1 or 5787446-1
Price, qty 1-11 $123.24$192.31$195.31$123.24$123.24

This part, ND2057QE34Differs from the ND2057QE34

All N-Series parts in the finder

Stock numbers

NSN6140-01-599-4701

Documents

Need a STEP model, drawing or test data that is not listed? Contact us.

Application notes

From the current catalog

The 2057 battery pack can perform as low as -20°C (Note, in low temperature applications, we recommend testing the device at temperature to validate performance).

Features:

  • SMbus
  • Pull tab for easy removal
  • On-pack LCD Display for Relative SOC Indication Our expertise lies in creating customized battery hybrids that seamlessly integrate standard components to deliver optimal performance.

ND2057QE34 Smart Li-ion battery customization options:

  • Custom label
  • Custom Firmware
  • Additional performance options for OEM applications N-series chargers are recommended for these batteries.

The ND2057QE34 is our newest model, designed to outperform the previous ND2057HD24, ND2057HD29, ND2057HD31 & ND2057XD24 (NSN # 6140-01-599-4701 & 6140-01-656-7575) models.

Custom options

Make it yours.

The ND2057QE34 is a strong starting point. Inspired Energy's real advantage is what we can build from it: custom configurations made in Newberry, Florida, with no third-party manufacturer involved.

Explore custom options

  • Custom label

    Your brand or OEM labeling, printed in-house on our label line.

  • Custom firmware

    Battery-management parameters tuned to your device's performance requirements.

  • Custom connector

    Proprietary or standard connector options to match your device's interface.

  • Custom cell configuration

    A different cell count, array or chemistry to hit your voltage and runtime targets.

  • Custom enclosure

    New tooling and injection molding for a form factor built around your device.

Can't find the right configuration?

We build custom battery packs, custom labels, firmware and connectors to fit your exact device. Tell us what it has to do.

Contact us Request a quote