Supported Models
- AP Watch S1-S10, SE and Ultra — 2.5W dynamic-decoding charging
- SAM Galaxy Watch 1-7 and Ultra — 1.5W charging
Home/Products/Wireless Charging Solution Products/JX181 Dual-Protocol Watch Wireless Charging Module
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Wireless Charging Solution Products
JX181 Dual-Protocol Watch Wireless Charging Module
Model: JX181 / 9913 SOC
A compact 5V watch charging module supporting 2.5W AP watches and 1.5W SAM watches, designed for single-watch chargers and multi-device charging stations.
9913 SOC2.5W + 1.5WDual protocolOffline upgrade
Technical Solution Display
This page presents technical specifications, performance, compatibility and applications. It is not an online retail listing.
Solution Overview
Performance, Advantages, Compatibility & Applications
Performance
- AP watch charging input current: 270-470 mA
- SAM watch charging input current: 270-300 mA
- 5V input through USB-A or USB-C
- 6.5 μH ±5% coil with Q factor ≥30
Advantages
- Stable and efficient charging without pop-up messages
- AP and SAM dual-protocol support in one module
- Offline firmware upgrade support
- Flexible single-coil or independent dual-coil product structure
Applications
- Single-watch wireless chargers
- 2-in-1 and 3-in-1 charging stations
- Desktop and travel charging accessories
- Custom watch charging product development
Performance & Technical Features
- Supports AP Watch S1-S10, SE and Ultra at up to 2.5W with dynamic decoding
- Supports SAM Galaxy Watch 1-7 and Ultra at up to 1.5W
- Stable, efficient charging without pop-up messages
- Dual-protocol firmware with offline upgrade support
- Suitable for single-watch chargers and multi-device charging stations
- Supports either single-coil magnetic-flip structures or independent dual-coil layouts
Technical Specifications
| Wireless charging SOC | 9913 |
|---|---|
| AP watch output | 2.5W |
| SAM watch output | 1.5W |
| Coil inductance | 6.5 μH ±5% |
| Coil Q factor | ≥30 |
| Magnet grade | GS 3600 |
| Spacer height | 0.8-1.2 mm |
| PCB | 2 layers, 0.8-1.0 mm thickness, immersion gold; inner 0.5 oz / outer 1 oz |
| AP watch input current | 270-470 mA |
| SAM watch input current | 270-300 mA |
| Input / interface | 5V via USB-A or USB-C |
| Coil configurations | Single coil with magnetic flip structure, or independent dual coils |
Engineering Reference
JX181 Full Solution Sheet
Open the solution sheet in a new window to inspect every parameter at full size.
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