- N-Series
- Battery pack
NB4037QE50
7.2 V smart lithium-ion battery
7.2 V 5 Ah smart lithium-ion battery pack.
- 7.2 V
- Nominal voltage
- 5 Ah
- Capacity
- 36 Wh
- Energy
- 8 A
- Max current
N-Series
What the NB4037QE50 brings to the device
Every line on this page traces to the current datasheet revision engineering approved. Nothing here is marketing copy about a generic pack.
Talk to an engineer →-
Cell pack
2 x 21700 lithium-ion cells in a 2S1P array, matched and welded in Newberry, Florida.
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Approvals
UL.
Specifications
| Nominal voltage | 7.2 V |
|---|---|
| Capacity | 5 Ah |
| Energy | 36 Wh |
| Maximum discharge current | 8 A |
| Rated power | 40 W |
| Chemistry | Lithium-ion |
| Cell | 2 x 21700 |
| Cell array | 2S1P |
| Shape | Rectangular |
| Dimensions (in) | 3.74" x 2.1" x 1.08" |
| Dimensions (mm) | 94.89 x 53.17 x 27.26 |
| IP rating | None |
| Approvals | UL |
Specifications come from the Revision 1.0 datasheet. Confirm against the datasheet below before committing a design.
Chargers for this pack
Accessories that fit
- 610005 Straight Connector - TE Part Number: 5787446-1
- 610007 90° Connector with Right-Hand Key - TE Part Number: 5787422-1
- 610018 90° Connector with Left-Hand Key - TE Part Number 5787428-1
- 629102A1 3FT, 5-conductor straight cable for NB403x li-ion smart battery packs.
- 936294 Silicone dustcap for NB403x series batteries.
- ATA004N USB-to-SMBus smart battery interface with “Y” USB/Battery cable.
- BL237A Connector Mounting Circuit Board
- EB397A Connector Board with Ideal Diode Circuit.
Documents
About this part
NB4037QE50 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 NB4037QE50 ( 2S1P ) 7.2V 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. This battery is IEC, UL, CSA61233-2, and TUV certified compliant. The NB4037QE50 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). The compact design makes it ideal for use in compact and handheld devices. 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. NB4037QE50 Smart Li-ion battery customization options: • SHA-1 secure handshake • Custom label • Custom Firmware • Additional performance options for OEM applications Need additional capacity? Check out our ND4057HD50 battery Need a a smaller pack? Consider evaluation of the NB3037HD29
