Sinoacc Charger for Fitbit Charge 4 Replacement USB Charging Cable Cord (2-Pack, 100CM)
Product description
What it is
This is a replacement USB charging cable designed specifically for the Fitbit Charge 4 Heart Rate Fitness Wristband. Sold as a 2-pack, each cable measures 100 cm (3.3 ft), giving you extra reach and a spare for everyday use.
Compatibility and use

On the label, it states compatibility with Fitbit Charge 4 only. It is not intended for Charge 3, Charge 2, or Charge HR. Before purchasing, confirm that your device matches the Charge 4 model to ensure proper charging and fit.
Performance and charging speed
The cable promises fast charging, aiming to minimise downtime between sessions. If you rely on your tracker throughout the day, a quicker top-up can be convenient. Real-world charging speed can vary with power source and device health, so expect practical performance rather than a guaranteed quick charge every time.



Durability and build quality
durability is a notable focus here, with claims of a 6000+ bend lifespan and reinforced cable joints. This suggests the cable is built to withstand daily wear, bending, and travel. The copper wire is described as premium, with gold-plated pins intended to enhance charging reliability and connection stability.
Safety features

The cable is described as having built-in protections for over-current, over-voltage, short-circuit, and over-temperature. While these features are standard in many third-party charging cables, they can contribute to safer charging when used with compatible devices and appropriate power sources.
What to consider before you buy
- It’s strictly for Fitbit Charge 4, use with other models is not supported.
- Check the length you need: at 100 cm, it offers more flexibility than compact cables but could feel long in cramped spaces.
- As with any third-party accessory, charging speed and longevity depend on usage patterns and the power adapter you pair it with.



Who this is for
- Users who own a Fitbit Charge 4 and want a reliable, spare charging cable.
- People who value a durable build and a longer cable for charging away from sockets.
- Shoppers seeking value through a 2-pack option rather than a single cable.
When it makes sense to buy

If you need a replacement charger for the Charge 4 and want a spare or longer cable, this two‑pack could offer practical convenience and reduced downtime.
When it may not be the best option
If you own a different Fitbit model, or if you require explicit performance benchmarks or brand-name assurance, you may prefer an original or an alternative model endorsed for your device.



What to review before buying
- Confirm exact device compatibility (Charge 4 only).
- Consider your preferred cable length and the charging setup you use most.
- Ensure you source power from a compatible adapter to maximise charging performance.
Practical usage note
Imagine you’re at your desk or on the sofa, needing a quick top-up while continuing with tasks, a 100 cm cable gives you flexibility to plug in without moving the whole setup. It’s not the smallest option, but it’s handy if you frequently charge away from the wall.
FAQ
- Is this compatible with Fitbit Charge 3? No, it is marketed for Charge 4 only.
- Does it come with two cables? Yes, a 2-pack is included.
- Are there safety protections? The product listing mentions over-current, over-voltage, short-circuit and over-temperature protections.
Final verdict
Final verdict: Worth considering if you own a Fitbit Charge 4 and want a durable, longer replacement cable with a spare on hand. It may not be the best choice if you need compatibility with other Fitbit models or if you prioritise branded, official accessories. A practical option for practical needs, especially for households or workplaces that run multiple trackers.
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