Choosing the right connector for your LiPo battery requires understanding your power requirements, the voltage and current needs of your application, and your device’s physical constraints. Key factors like current rating, voltage rating, connector type, and durability will ensure your LiPo battery performs optimally and safely.

By carefully selecting a high-quality connector that matches your device’s needs, you can ensure a reliable, long-lasting connection that maximizes your battery’s efficiency and minimizes the risk of failures or accidents. Whether you’re powering a small device like an RC car or a more extensive system like an electric vehicle, the right connector is crucial for getting the best performance out of your LiPo battery.

Selecting the right connectors for your LiPo battery is crucial to ensure safe, efficient, and reliable operation of your device or application. Connectors act as the interface between the battery and the circuit or device it powers, and choosing the wrong type can lead to issues like poor performance, overheating, or even battery failure. This guide will help you understand the key factors to consider when selecting connectors for your LiPo battery.

1. Current Rating

The most crucial factor in choosing connectors is ensuring that they can handle the maximum current your application requires. LiPo batteries can supply high currents, mainly in high-drain devices like drones, electric vehicles, and RC toys.

• Determine the maximum current draw of your device or application. This is usually specified in the device’s data manual.
• Select a connector that can comfortably handle this current, plus a safety margin. Look for connectors with a current rating that exceeds your system’s maximum current draw.

2. Voltage Rating

Connectors must also be chosen based on the voltage of the vLiPo battery. While LiPo batteries typically have a nominal voltage of 3.7V (per cell), the voltage can vary depending on the number of cells (e.g., 7.4V for 2S, 11.1V for 3S).

• Check the voltage of your LiPo battery.
• Ensure that the connector is rated at least to the maximum voltage that will be applied.

3. Size and Form Factor

The connector’s physical size must fit with your battery’s form and the space available in your device. LiPo battery connectors come in various shapes and sizes, so selecting one with the battery and the device’s connection is essential.

• Consider both the size of the LiPo battery and the available space in the housing or circuit where the connector will be installed.
• Check whether the connector type is compatible with your device’s port.

4. Connection Type (Male vs. Female)

Most connectors come in either male or female versions. The male connector typically attaches to the battery or the device, while the female connector is the opposite part.

• Ensure that you have the correct orientation for your application. Generally, the male connector will be on the battery and the female connector on the device side, but this can vary.
• The connectors must match the pin arrangements to avoid short-circuiting or improper connections.

5. Connector Type

Several types of connectors are commonly used with LiPo batteries, each with its own set of advantages and applications. Some of the most common types include:

• JST Connectors: These are small, lightweight connectors commonly used in low- to mid-power applications like small drones, RC cars, and other compact devices. They are easy to use and offer reliable connections but may not be suitable for high-current applications.
• XT60 Connectors: Widely used in RC hobbies, these connectors are more extensive and can handle higher currents (up to 60A). They are commonly used in medium—to high-power devices like drones and electric vehicles.
• Deans (T-Connector): Another common type in RC hobby applications, Deans connectors are designed for high-current use and provide a solid, secure connection. They are compact but can handle more power than miniature connectors like JST.
• Anderson Powerpole Connectors: These modular connectors can be easily assembled into various configurations. They are commonly used for high-power applications and are known for their reliability and ease of use.
• Powerpoles, Molex, or SB Connectors: These connectors are commonly used for high-performance, high-power applications such as battery packs for electric vehicles, solar systems, or larger hobby projects.

Tip: For high-current applications, connectors like XT60, XT90, or Deans are often preferred for their secure fit and higher power handling.

6. Connector Quality and Durability

The quality of the connector material can significantly affect its performance and lifespan. For reliable and safe operation, make sure that the connectors are made of durable, high-quality materials like gold-plated contacts, silicon insulators, and robust housing materials.

• Gold-plated contacts offer better conductivity and reduce the risk of corrosion over time.
• Durable housing prevents wear and tear from physical stress and environmental factors like moisture or dust.

Tip: Avoid using low-quality or cheap connectors, as they may lead to poor connections, overheating, or even dangerous failures.

7. Ease of Installation and Maintenance

Depending on your application, ease of installation and maintenance might be important considerations. Some connectors are designed to be quick to install or have features that make it easy to replace or maintain connections.

• Locking connectors help ensure that the connection stays secure even under heavy vibrations or movements (important for applications like drones or RC cars).
• Soldering or crimping can be used to secure connectors, depending on the type of connector you select.

Tip: Look for connectors that are easy to assemble and secure, especially if the battery needs to be replaced or serviced frequently.

8. Safety Features

LiPo batteries are known for their high energy density, and improper connections can lead to safety hazards such as short circuits, overheating, or fires. Select connectors that provide built-in safety features to reduce these risks.

• • Polarized connectors prevent incorrect connections, reducing the risk of short circuits.
  • Insulated connectors help prevent accidental shorts when the connectors are exposed.

Manufacture:       Molex

Part Number:      51021-0200

Appication:          sigle, wire to board or wire to wire

Circuit(Max):       2

Pitch:                    1.25mm(0.049″)

Crimp Terminal: 50058, 50079

Mating wires:      UL1571 28/30/32AWG

Mating Parts:      51047 Crimp Housing, 53047 PCB Header, 53048 PCB Header, 53261 PCB Header, 53398 PCB Header

Link: https://www.molex.com/en-us/products/part-detail/510210200

Manufacture:       Molex

Part Number:      51021-0300

Application:          sigle, wire to board or wire to wire

Circuit(Max):       3

Pitch:                    1.25mm(0.049″)

Crimp Terminal: 50058, 50079

Mating wires:      UL1571 28/30/32AWG

Mating Parts:      51047 Crimp Housing, 53047 PCB Header, 53048 PCB Header, 53261 PCB Header, 53398 PCB Header

Link: https://www.molex.com/en-us/products/part-detail/510210200

Manufacture:       Molex

Part Number:      50-37-5023(5264-02)

Application:          wire to board,Friction lock connectors

Circuit(Max):       2

Pitch:                    2.50mm(0.098″)

Crimp Terminal: 08-70-1039

Mating wires:      UL1571 22/24/26/28AWG

Mating Parts:      5627 vertical shrouded PCB header, 5268 right angle shrouded PCB header

Link: https://www.molex.com/pdm_docs/sd/050375023_sd.pdf

Manufacturer:       Molex

Part Number:      50-37-5033(5264-03)

Application:          wire to board, Friction lock connectors

Circuit(Max):       3

Pitch:                    2.50mm(0.098″)

Crimp Terminal: 08-70-1039

Mating wires:      UL1571 22/24/26/28AWG

Mating Parts:      5627 vertical shrouded PCB header, 5268 right angle shrouded PCB header

Link: https://www.molex.com/pdm_docs/sd/050375023_sd.pdf

Manufacturer:       Molex

Part Number:      78172-0002

Application:          Wire to board housing connector

Circuit(Max):       2

Pitch:                    1.2mm(0.047″)

Crimp Terminal: 78172-0410

Mating wires:      UL007 28/30AWG

Mating Parts:      78171-0002

Link:     http://www.molex.com/pdm_docs/sd/781720002_sd.pdf

Manufacturer:       Molex

Part Number:      78172-0003

Application:          Wire to board housing connector

Circuit(Max):       3

Pitch:                    1.2mm(0.047″)

Crimp Terminal: 78172-0410

Mating wires:      UL007 28/30AWG

Mating Parts:      78171-0003

Link:     http://www.molex.com/pdm_docs/sd/781720002_sd.pdf

Manufacturer:       Molex

Part Number:      51047-0200,51047-0300

Application:          Wire to wire

Circuit(Max):       2 to 10

Pitch:                    1.25mm(0.049″)

Crimp Terminal: 0501258000 & 0501338000

Mating wires:      AWG28, AWG30, AWG32

Mating Parts:      51021-0200, 50121-0300

Link:   https://www.molex.com/pdm_docs/sd/510470200_sd.pdf

Manufacturer:       Molex

Part Number:      504051-0401, 504051-0501, 504051-0601

Application:          Wire to board header

Circuit(Max):       4 to 12

Pitch:                    1.5mm(0.059″)

Crimp Terminal: 5040520089

Mating wires:      AWG24, 26, 28

Mating Parts:      5040500491, 5040500591, 5040500691

Link:   https://www.molex.com/pdm_docs/sd/5040510401_sd.pdf

Manufacturer:       Molex

Part Number:      90156-0142, 90156-0143, 90156-0144, 90156-0145,

Application:          Wire to board header

Circuit(Max):       2 to 32

Pitch:                    2.54mm(0.0762″)

Crimp Terminal: 0901190109, 0901190110, 0901190111

Mating wires:      AWG22, AWG24

Mating Parts:      90120, 90121, 90136

Link:  https://www.molex.com/pdm_docs/sd/901560143_sd.pdf

Manufacturer:       Molex

Part Number:      51004-0200, 51004-0300, 51004-0400

Application:          Wire to board header

Circuit(Max):       2 to 10

Pitch:                    2.00mm(0.0787″)

Crimp Terminal: 50011

Mating wires:      AWG24, 26, 28，30

Mating Parts:      53253， 53254

Link:   https://www.molex.com/pdm_docs/sd/510650200_sd.pdf

Manufacturer:       JST

Part Number:      SHR-02V-S-B

Application:          wire to board crimp style connectors

Circuit(Max):       2

Pitch:                    1.00mm(0.039″)

Crimp Terminal: SSH-003T-P0.2H

Mating wires:      UL1571 28/30/32AWG

Mating Parts:      BM02B-SRSS-TB

Link:                  http://www.jst-mfg.com/product/pdf/eng/eSH.pdf

Manufacturer:       JST

Part Number:      SHR-03V-S-B

Application:          wire to board crimp style connectors

Circuit(Max):       3

Pitch:                    1.00mm(0.039″)

Crimp Terminal: SSH-003T-P0.2-H

Mating wires:      UL1571 28/30/32AWG

Mating Parts:      BM03B-SRSS-TB

Link:                    http://www.jst-mfg.com/product/pdf/eng/eSH.pdf

Manufacturer:       JST

Part Number:      ACHR-02V

Application:          wire to board crimp style connectors

Circuit(Max):       2

Pitch:                    1.20mm(0.047″)

Crimp Terminal: SACH-003G-P0.2, SACH-003G-P0.2B

Mating wires:      UL1571 28/30/32AWG

Mating Parts:      BM02B-ACHSS-GAN-ETF

Link:                 http://www.jst-mfg.com/product/pdf/eng/eACH.pdf

Manufacturer:       JST

Part Number:      ACHR-03V-S

Application:          wire to board crimp style connectors

Circuit(Max):       3

Pitch:                    1.20mm(0.047″)

Crimp Terminal: SACH-003G-P0.2, SACH-003G-P0.2B

Mating wires:      UL1571 28/30/32AWG

Mating Parts:      BM03B-ACHSS-GAN-ETF

Link:                   http://www.jst-mfg.com/product/pdf/eng/eACH.pdf

Manufacturer:       JST

Part Number:      PH-2, PHR-2, PH connectors

Application:          wire to board crimp style connectors

Circuit(Max):       2

Pitch:                    2.0mm(0.078″)

Crimp Terminal: SPH-002T-P0.5S, SPH-002T-P0.5L, SPH-004T-P0.5S

Mating wires:      UL1571 24/26/28/30/32AWG

Mating Parts:      B2B-PH-K-S, S2B-PH-K-S

Link:               http://www.jst-mfg.com/product/pdf/eng/ePH.pdf

Manufacturer:       JST

Part Number:      PH-3, PHR-3, PH connector

Application:          wire to board crimp style connectors

Circuit(Max):       3

Pitch:                    2.0mm(0.078″)

Crimp Terminal: SPH-003T-P0.5S, SPH-003T-P0.5L, SPH-004T-P0.5S

Mating wires:      UL1571 24/26/28/30/32AWG

Mating Parts:      B3B-PH-K-S, S3B-PH-K-S

Link:                  http://www.jst-mfg.com/product/pdf/eng/ePH.pdf

Manufacturer:       JST

Part Number:      XH-2, XH connectors

Application:          wire to board crimp style connectors

Circuit(Max):       2

Pitch:                    2.5mm(0.098″)

Crimp Terminal: SXH-001T-P0.6-N, SXH-001T-P0.6

Mating wires:      AWG#22

Mating Parts:      B2B-XH-A, B2B-XH-2

Link:                http://www.jst-mfg.com/product/pdf/eng/eXH.pdf

Manufacturer:       JST

Part Number:      XH-3, XHP-3, XH connectors

Application:          wire to board crimp style connectors

Circuit(Max):       3

Pitch:                    2.5mm(0.098″)

Crimp Terminal: SXH-001T-P0.6N, SXH-001T-P0.6

Mating wires:      AWG#22

Mating Parts:      B3B-XH-1, B3B-XH-2

Link:                  http://www.jst-mfg.com/product/pdf/eng/eXH.pdf

Manufacturer:       JST

Part Number:      ZHR-2

Application:          Disconnectable crimp-style connectors

Circuit(Max):       2

Pitch:                    1.5mm(0.059″)

Crimp Terminal: SZH-002T-P0.5, SZH-003T-P0.5

Mating wires:      UL1571 26/28/30/32/AWG

Mating Parts:      B2B-ZR, S2B-ZR,B2B-ZR-3.4,S2B-ZR-3.4

Link:                http://www.jst-mfg.com/product/pdf/eng/eZH.pdf

Manufacturer:       JST

Part Number:      ZHR

Application:          Disconnectable crimp-style connectors

Circuit(Max):       3

Pitch:                    1.5mm(0.059″)

Crimp Terminal: SZH-002T-P0.5, SZH-003T-P0.5

Mating wires:      UL1571 26/28/30/32/AWG

Mating Parts:      B3B-ZR, S3B-ZR, B3B-ZR-3.4, S3B-ZR-3.4

Link:                  http://www.jst-mfg.com/product/pdf/eng/eZH.pdf

Manufacturer:       JST

Part Number:      02SUR-32S, 03SUR-36L, 03SUR-32S, 03SUR-36L, 04SUR-32S, 04SUR-36L, 05SUR-32S, 05SUR-36L

Application:          Disconnectable insulation displacement connector

Circuit(Max):       2 to 22

Pitch:                    0.8mm(0.031″)

Crimp Terminal: NO

Mating wires:      UL1007 32/36AWG

Mating Parts:      BM02B-SURS-TF, SM02B-SURS-TF, BM03B-SURS-TF, SM03B-SURS-TF, BM04B-SURS-TF, SM04B-SURS-TF

Link:                 http://www.jst-mfg.com/product/pdf/eng/eSUR.pdf

Manufacturer:       JST

Part Number:      SUHR-02V-S-B,SUHR-03V-S-B,SUHR-04V-S-B,SUHR-05V-S-B,SUHR-06V-S-B,SUHR-07V-S-B,

Application:          wire to board

Circuit(Max):       2 to 20

Pitch:                    0.8mm(0.0314″)

Crimp Terminal: SSUH-003T-P0,15, SSUH-0035T-P0.15

Mating wires:      UL1007 28/30/32AWG

Mating Parts:      BM02B-SURS-TF, SM02B-SURS-TF, BM03B-SURS-TF, SM03B-SURS-TF, BM04B-SURS-TF, SM04B-SURS-TF

Link:                http://www.jst-mfg.com/product/pdf/eng/eSUH.pdf

Manufacturer:       JST

Part Number:      RCY connector, SYR-02T/SYR-02TY, SYR-02T-1/SYR-02TV-1

Application:          wire to wire connector, crimp style with locking device

Circuit(Max):       2

Pitch:                    2.5mm(0.098″)

Crimp Terminal: SCZH-002T-P0.5

Mating wires:      UL1571 26/28AWG

Mating Parts:      B02B-CZHK-B-1, S02B-CZHK-B-1, BM02B-CZSS-1-TF, SM02B-CZSS-1-TB

Link:                http://www.jst-mfg.com/product/pdf/eng/eRCY.pdf

Manufacturer:       JST

Part Number:      ADHR-03V-H

Application:          wire to board

Circuit(Max):       3&5

Pitch:                    1.3mm(0.0511″)

Crimp Terminal: SADH-002G-P0.2, SAD-003-P0.2

Mating wires:      AWG26, AWG28

Mating Parts:      BM02(3)B-ADHSS-GAN-ETB, BM03B-ADHKS-GAN-ETB,BM05B-ADHKS-GAN-ETB(HF)

Link:               http://www.jst-mfg.com/product/pdf/eng/eADH.pdf

Manufacturer:       Hirose

Part Number:      DF65-3S-1.7C, DF65-4S-1.7C, DF65-5S-1.7C, DF65-6S-1.7C, DF65-7S-1.7C

Application:          wire to board

Circuit(Max):       3 to 7

Pitch:                    1.7mm(0.067″)

Crimp Terminal: DF65-2428SCF, DF65-2428SCFA

Mating wires:    AWG24(11*0.16mm),AWG26(7*0.16mm),AWG28(7*0.127mm)

Mating Parts:      DF65-3P-1.7V,DF65-4P-1.7V,DF65-5P-1.7V,DF65-6P-1.7V,DF65-7P-1.7V

Link: https://www.hirose.com/product/en/products/DF65/DF65-3S-1.7C/

Manufacturer:       Hirose

Part Number:      DF52-2P-0.8C, DF52-3P-0.8C, DF52-4P-0.8C, DF52-5P-0.8C, DF52-6P-0.8C, DF52-7P-0.8C,

Application:          wire to board

Circuit(Max):       2 to 20

Pitch:                    0.8mm(0.0314″)

Crimp Terminal: DF52-2832PCF

Mating wires:    AWG28/30/32

Mating Parts:      DF52-2S-0.8H(21),DF52-3S-0.8H(21),DF52-4S-0.8H(21),DF52-5S-0.8H(21),DF52-6S-0.8H(21)

Link:              https://www.hirose.com/product/en/products/DF52/

Manufacturer:       Hirose

Part Number:      DF-13-2S-1.25C,DF13-3S-1.25C, DF13-4S-1.25C, DF13-5S-1.25C, DF13-6S-1.25C,DF-13-7S-1.25C

Application:          wire to board

Circuit(Max):       2 to 15

Pitch:                    1.25mm(0.049″)

Crimp Terminal:DF13-2630SCF, DF13-3032SCFA, DF13-3032SCFA

Mating wires:    AWG26(7*0.16mm),AWG28(7*0.127mm),AWG30(7*0.1mm)

Mating Parts:      DF-13-2P-1.25DSA, DF13-2P-1.25DS, DF13-2P-1.25V, DF13A-2P-1.25H

Link:             https://www.hirose.com/product/en/products/DF13/