Connector DC Barrel vs XLR 3-pin charge connector (3-pin locking: specs compared
Updated 05 September 2026.
5
specs differ
Connector DC Barrel and XLR 3-pin charge connector (3-pin locking differ on 5 specs: pins / contacts, current rating, voltage range, locking, common uses.
| Spec | Connector DC Barrel | XLR 3-pin charge connector (3-pin locking |
|---|---|---|
| Pins / contacts | 2 conductors: centre pin and outer barrel, no data pin | 3 pins: pin 1 V+, pin 2 ground, pin 3 thermistor or BMS signal |
| Current rating | typically up to about 5 A, best for lower-power packs | up to about 16 A on a quality plug (Neutrik XX rated 16 A) |
| Voltage range | common on 36 V to 54.6 V charge outputs | commonly 36 V, 48 V and 60 V battery systems |
| Locking | non-locking, friction fit | locking, robust, keyed |
| Common uses | budget and mid-range e-bikes, scooters and many hub-motor packs | many mid-power and high-power e-bikes and conversion packs where a data or temperature pin is useful |
Questions and answers
How do Connector DC Barrel and XLR 3-pin charge connector (3-pin locking compare?
Connector DC Barrel and XLR 3-pin charge connector (3-pin locking differ on 5 specs: pins / contacts, current rating, voltage range, locking, common uses.