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NC4040QE50

10.8 V smart lithium-ion battery

Active Specs per datasheet Rev 1.1 UL approved

Voltage
10.8V
Capacity
5Ah
Energy
54Wh
Max discharge
8A
Power
60W
21700 cells
3S1P

Specifications (nominal & typical)

Source: datasheet Rev 1.1

Electrical

Electrical specifications for NC4040QE50
Voltage10.8 V
Capacity5 Ah
Energy54 Wh
Volumetric energy density279 Wh per litre
Gravimetric energy density190 Wh per kg
Maximum discharge current8 A
Power60 W
ChemistryLithium-ion
Cells3 × 21700
Configuration3S1P

Mechanical

Mechanical specifications for NC4040QE50
Dimensions (L × W × H)94.89 × 74.81 × 27.26 mm (3.74 × 2.95 × 1.08 in)
Weight284 g (0.63 lb)
Form factorSquare
Device cavity27.8mm x 76.4mm cross section
Ingress protectionNone

Temperature limits

Temperature limits specifications for NC4040QE50
Discharge (operating)−20 °C to +55 °C
Charge0 °C to +45 °C
Storage−20 °C to +60 °C

Interface

Interface specifications for NC4040QE50
Mating connectorAMP P/N 5787422-1 or 5787446-1
State-of-charge displayPush button 4-bar LED

Compliance and shipping

Compliance and shipping specifications for NC4040QE50
CertificationsEMC Directive, UKCA, Battery Directive, RoHS3, REACH, WEEE, UN 38.3, CE, FCC Part 15 Class B, IEC 62133-2 (CB report), UL/CSA 62133-2 (TÜV), BIS (India)
Equivalent lithium content2 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

Chargers that support the NC4040QE50
ChargerBaysChargeCalibrateSet SoC 25%Status
CH1000 1 Yes Yes No Active
CH7100 1 Yes No No Active
CH1000CAL 1 Yes Yes No Active
CH1010 2 Yes Yes No Active
CH1111 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

Connectors that fit the NC4040QE50
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

Cables that fit the NC4040QE50
PartWhat it is
6291033FT, 5-conductor straight cable for NC404x li-ion smart battery packs.

Accessories

Accessories that fit the NC4040QE50
PartWhat it is
936295Silicone dustcap for NC404x series batteries.
ATA004NUSB-to-SMBus smart battery interface with “Y” USB/Battery cable.

Compare with its family

Volume pricing available on every part.

NC4040QE50 compared with related parts
NC4040QE50 This part NC2040QE34 Same series NF2030QE34 Same series NF2040QE34 Same series NF3040QE34 Same series
Voltage 10.8 V10.8 V10.8 V10.8 V10.8 V
Capacity 5 Ah3.4 Ah (differs)6.8 Ah (differs)6.8 Ah (differs)6.8 Ah (differs)
Energy 54 Wh37 Wh (differs)73 Wh (differs)73 Wh (differs)73 Wh (differs)
Max discharge 8 A4 A (differs)8 A8 A10 A (differs)
Power 60 W30 W (differs)60 W60 W75 W (differs)
Cells 3 × 21700× 18650 (differs)6 × 18650 (differs)6 × 18650 (differs)6 × 18650 (differs)
Configuration 3S1P3S1P3S2P (differs)3S2P (differs)3S2P (differs)
Dimensions (mm) 94.89 × 74.81 × 27.2684.87 × 58.77 × 21.89 (differs)219 × 42 × 23 (differs)151.1 × 59.02 × 22.4 (differs)151 × 59 × 22.4 (differs)
Volume (mm³) 193,511109,183 (differs)211,554 (differs)199,761 (differs)199,562 (differs)
Weight 284 g184 g (differs)304 g (differs)349 g (differs)349 g (differs)
Gravimetric density 190 Wh per kg201 Wh per kg (differs)240 Wh per kg (differs)209 Wh per kg (differs)209 Wh per kg (differs)
Discharge temperature −20 °C to +55 °C−20 °C to +60 °C (differs)−20 °C to +60 °C (differs)−20 °C to +60 °C (differs)−30 °C to +60 °C (differs)
SoC display Push button 4-bar LEDAlways on 5-Bar LCD (differs)Always on 5-Bar LCD (differs)Always on 5-Bar LCD (differs)Always on 5-Bar LCD (differs)
Mating connector AMP P/N 5787422-1 or 5787446-1AMP P/N 5787422-1 or 5787446-1AMP P/N 5787422-1 or 5787446-1AMP P/N 5787422-1 or 5787446-15-Pin Standard Connector (differs)
Price, qty 1-11 $158.53$114.89$156.54$156.54$163.81

This part, NC4040QE50Differs from the NC4040QE50

All N-Series parts in the finder

Documents

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

Application notes

From the current catalog

NC4040QE50 Smart Lithium-Ion Battery: The Inspired Energy 40xx range of rechargeable smart Li-Ion battery packs utilize 21700 cells and are designed for applications where size and runtime may be a consideration.

The NC4040QE50 (3S1P) 10.8V smart lithium ion battery incorporates the standard features that designers and engineers have come to rely on for safety and function, such as SMbus, a pull tab for easy removal and on-pack LED display for relative SOC indication.

The NC4040 battery pack can perform at -20°C for low temperature applications, as the low internal impedance enable the cells to deliver good capacity and discharge current. (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.

NC4040QE50 Smart Li-ion battery customization options:

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

Looking for something with a smaller format?

We recommend the NC3040HD29 smart battery Need additional capacity?

Check out our NF3040HD34 smart battery

Custom options

Make it yours.

The NC4040QE50 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.