- N-Series
- Battery pack
NB2037QE34
7.2 V smart lithium-ion battery
Specifications (nominal & typical)
Source: datasheet Rev 2.0
Electrical
| Voltage | 7.2 V |
|---|---|
| Capacity | 3.4 Ah |
| Energy | 24 Wh |
| Volumetric energy density | 292 Wh per litre |
| Gravimetric energy density | 197 Wh per kg |
| Maximum discharge current | 4 A |
| Power | 20 W |
| Chemistry | Lithium-ion |
| Cells | 2 × 18650 |
| Configuration | 2S1P |
Mechanical
| Dimensions (L × W × H) | 85 × 42 × 23 mm (3.36 × 1.65 × 0.88 in) |
|---|---|
| Weight | 122 g (0.27 lb) |
| Form factor | Rectangular |
| Device cavity | 24mm x 43mm cross-section |
| Ingress protection | None |
Temperature limits
| Discharge (operating) | −20 °C to +60 °C |
|---|---|
| Charge | 0 °C to +45 °C |
| Storage | −20 °C to +60 °C |
Interface
| Mating connector | AMP P/N 5787422-1 or 5787446-1 |
|---|---|
| State-of-charge display | Always on 5-Bar LCD |
Compliance and shipping
| Certifications | CE, EMC Directive, UKCA, Battery Directive, RoHS2, REACH, WEEE, UN 38.3, FCC Part 15 Class B, IEC 62133-2 (CB report), UL 62133-2, CAN/CSA C22.2 No. 62133-2, KC (Korea), BIS (India), PSE (Japan) |
|---|---|
| Equivalent lithium content | 2 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
| Charger | Bays | Charge | Calibrate | Set 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 |
| CH7000 | 1 | Yes | No | No | Active |
| CH5050 | 2 | Yes | Yes | No | Active |
| CH6555 | 6 | Yes | Yes | No | Active |
| CR12 | 12 | Yes | No | 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
| Part | What it is |
|---|---|
| 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 |
| BL237A | Connector Mounting Circuit Board |
| EB397A | Connector Board with Ideal Diode Circuit. |
Cables
| Part | What it is |
|---|---|
| 629080 | 3' 5-Way cable |
Accessories
Compare with its family
Volume pricing available on every part.
 NB2037QE34 This part |  NB4037QE50 Same family |  ND2017QE34 Same series |  ND2037QE34 Same series |  ND2057QE34 Same series | |
|---|---|---|---|---|---|
| Voltage | 7.2 V | 7.2 V | 7.2 V | 7.2 V | 7.2 V |
| Capacity | 3.4 Ah | 5 Ah (differs) | 6.8 Ah (differs) | 6.8 Ah (differs) | 6.8 Ah (differs) |
| Energy | 24 Wh | 36 Wh (differs) | 49 Wh (differs) | 49 Wh (differs) | 49 Wh (differs) |
| Max discharge | 4 A | 8 A (differs) | 3 A (differs) | 8 A (differs) | 8 A (differs) |
| Power | 20 W | 40 W (differs) | 15 W (differs) | 40 W (differs) | 40 W (differs) |
| Cells | 2 × 18650 | 2 × 21700 (differs) | 4 × 18650 (differs) | 4 × 18650 (differs) | 4 × 18650 (differs) |
| Configuration | 2S1P | 2S1P | 2S2P (differs) | 2S2P (differs) | 2S2P (differs) |
| Dimensions (mm) | 85 × 42 × 23 | 94.89 × 53.17 × 27.26 (differs) | 144.65 × 37.59 × 20.07 (differs) | 153 × 42 × 23 (differs) | 86.4 × 78.7 × 23.02 (differs) |
| Volume (mm³) | 82,110 | 137,535 (differs) | 109,128 (differs) | 147,798 (differs) | 156,529 (differs) |
| Weight | 122 g | 195 g (differs) | 220 g (differs) | 240 g (differs) | 240 g (differs) |
| Gravimetric density | 197 Wh per kg | 185 Wh per kg (differs) | 223 Wh per kg (differs) | 204 Wh per kg (differs) | 204 Wh per kg (differs) |
| Discharge temperature | −20 °C to +60 °C | −20 °C to +55 °C (differs) | −20 °C to +60 °C | −20 °C to +60 °C | −20 °C to +60 °C |
| SoC display | Always on 5-Bar LCD | - (differs) | Push button 4-bar LED (differs) | - (differs) | Always on 5-Bar LCD |
| Mating connector | AMP P/N 5787422-1 or 5787446-1 | - (differs) | 5-Pin Standard Connector (differs) | AMP P/N 5787422-1 or 5787446-1 | AMP P/N 5787422-1 or 5787446-1 |
| Price, qty 1-11 | $106.52 | $133.17 | $123.24 | $123.24 | $123.24 |
This part, NB2037QE34Differs from the NB2037QE34
Documents
Need a STEP model, drawing or test data that is not listed? Contact us.
Application notes
From the current catalog
NB2037QE34 Smart Lithium-Ion Battery: The NB2037QE34 is a high-performance 7.2V smart lithium-ion battery that delivers exceptional power and reliability.
Inspired Energy's 2037 rechargeable smart lithium-ion battery packs can perform at -20°C for low temperature applications.
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.
NB2037QE34 Smart Li-ion battery customization options:
- Custom label
- Custom Firmware
- Additional performance options for OEM applications Looking for something with a higher discharge rate and lower temperature option?
We recommend the NB3037HD29 smart battery Need additional capacity?
Check our our NB4037 smart batteries The NB2037QE34 is our newest model, designed to outperform the previous NB2037HD29 and NB2037HD31.
Custom options
Make it yours.
The NB2037QE34 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 optionsCustom 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.