BT3.0 Connectors 3-Pin for 2S Battery & 2S Whoop Drone, 12A Rated, 20A Peak, PA9T
BT3.0 Connectors 3-Pin for 2S Battery & 2S Whoop Drone, 12A Rated, 20A Peak, PA9T
BETAFPV
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Overview
BT3.0 connectors are 3-pin connectors designed for 2S batteries and 2S whoop drones. With three metal pins, they provide balancing power during charging without an extra balancer connector, simplifying 2S battery assembly while reducing weight (BT3.0 male + female: 1.28 g per set).
Key Features
- Designed specifically for 2S whoop drone batteries.
- Combines balance charging and discharge power functions in a single connector.
- 3-pin terminal design: two 1.3 mm pins for battery discharge (BATT V+ / BATT V-), plus an additional 1.0 mm pin used for balance charging (S Port).
- Polarity marks on the welding cup; reverse connection is not supported.
- BT3.0 2S Whoop Cable Pigtail uses a 90-degree male connector for easier plugging/unplugging.
- BT3.0 Cable Pigtail wire mapping: blue = positive (+), white = negative (-).
- BT3.0 can serve as a 2S balance charging port and can be used with a conventional 2S balance charger via a BT3.0 male-to-male adapter cable.
For compatibility or soldering questions, contact support at https://rcdrone.top/ or email support@rcdrone.top.
Specifications
| BT3.0 Male Connector | 0.6 g/PCS; 11.2*9.2*6.1 mm |
| BT3.0 Female Connector | 0.68 g/PCS; 10.1*9.1*5.4 mm |
| BT3.0 Male + Female (set) | 1.28 g/PCS |
| BT3.0-XH2.54 Adapter Cable | 1.84 g/PCS; 35 mm |
| BT3.0 2S Whoop Cable Pigtail | 1.39 g/PCS; 30 mm (30 mm/1.18 in shown) |
| Insertion Force | 3-22 N |
| Color | White/Black |
| Metal Material | Gold-plated copper |
| Plastic Material | PA9T |
| Plug Lifespan | 1000 times |
| Rated Current | 12 A |
| Instantaneous Current | 20 A |
| Pin Diameters | 1.3 mm (x2) + 1.0 mm (x1) |
Comparison Table
| BT3.0 | BT2.0 | XT30 | |
| Rated Current | 12 A | 9 A | 15 A |
| Instantaneous Current | 20 A | 15 A | 30 A |
| Weight | 1.28 g | 0.6 g | 1.8 g |
| Size | 10.1*9.1*5.4 mm | 8.5*6.0*4.2 mm | 12.4*10.2*5.2 mm |
Drawing Dimension Callouts (mm)
- 11.2 mm; 8.4 mm; 1 mm
- 9.1 mm; 6 mm; 4.8 mm; 6.6 mm; 7.8 mm
- 10.1 mm; 1 mm; 2 mm; 7.4 mm
- 6.6 mm; 0.5 mm; 5.3 mm; 4.8 mm; 9.1 mm
What’s Included
-
Option A: BT3.0 Male/Female Connectors (10pcs)
- 10 * BT3.0 Male/Female Connector
- 1 * 70*100 Static Bag
-
Option B: BT3.0 Connectors (10pcs)
- 5 * BT3.0 Male Connector
- 5 * BT3.0 Female Connector
- 1 * 70*100 Static Bag
-
Option C: BT3.0-XH2.54 Adapter Cable (5pcs)
- 5 * BT3.0-XH2.54 Adapter Cable
- 1 * 70*100 Static Bag
-
Option D: BT3.0 2S Whoop Cable Pigtail (5pcs)
- 5 * BT3.0 2S Whoop Cable Pigtail
- 1 * 70*100 Static Bag
Applications
- 2S whoop drones
- 2S flight controllers (2S FC) and 2S quadcopters
- 2S battery packs requiring combined discharge + balance-charge connection
Details
BT3.0 connectors combine 2S discharge power and balance charging into a single 3‑pin plug to simplify whoop battery builds.
The two larger pins carry BATT V+/V− for discharge, while the third pin is the S Port for balance charging.
Wire mapping stays straightforward: blue to positive (BATT V+) and white to negative (BATT V−).
Use the BT3.0‑to‑XH2.54 adapter to connect BT3.0 2S packs to a conventional 2S balance charger.
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