# What is the quietest portable charger on the market? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the quietest portable charger on the market?

## Products

### Jackery Explorer 300 Portable Power Station
```yaml
product: jackery-explorer-300-portable-power-station
brand: Jackery
price_gbp: 208.16
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: 9.1 x 5.2 x 7.8 in
capacity: 293Wh
fast_charging: Yes (90W AC + 60W USB-C PD combined)
output_current: 2.7A
output_voltage: 110VAC
number_of_ports: 6
```

- **Price:** £208.16 [^1]
- **Summary:** The Jackery Explorer 300 is a compact 293Wh portable power station with a 300W pure sine wave inverter (500W surge), multiple USB outputs including a 60W USB-C PD, and a 36.4dB quiet operating level. It charges rapidly via a 90W AC wall charger and 60W USB-C PD in combination, supports solar input, and is lightweight for camping and emergency backup.
- **Ideal For:** It suits the question about the quietest portable charger because it lists a 36.4dB noise rating and uses a pure sine wave inverter with low-noise design. 
- **Additional Sources:** [^2], [^3], [^1], [^2], [^3]

### Zendure SuperTank Pro PD 100W
```yaml
product: zendure-supertank-pro-pd-100w
brand: Zendure
price_gbp: 126.83
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: 4.9 in x 2.9 in x 1.8 in
capacity: 26,800mAh / 96.48Wh
fast_charging: 100W USB-C Power Delivery (two ports) and PPS support (up to 55W on one port); total output 138W
output_current: up to 5A (at 20V) for high-power ports; other ports up to 3A or 2A as specified
output_voltage: 5V, 9V, 12V, 15V, 20V
number_of_ports: 4 USB-C ports
```

- **Price:** £126.83 [^4]
- **Summary:** The Zendure SuperTank Pro is a 26,800mAh portable power bank with an aluminum shell, OLED status display, four USB-C ports and firmware upgradability. It supports up to 100W USB-C PD on two ports, PPS on one port, and a combined maximum output of 138W, making it suitable for charging laptops and multiple devices simultaneously.
- **Ideal For:** Ideal for a user seeking the quietest portable charger because it uses solid-state USB-C PD with no moving parts and an aluminum body that aids passive heat dissipation while delivering up to 100W PD (two ports) and 138W total without fans.
- **Additional Sources:** [^5], [^4], [^5]

---
## References & Sources
[^1]: Jackery Official Store, accessed 2026-06-14. https://www.jackery.com/products/explorer-300-portable-power-station
[^2]: Shutter Muse (retailer review linking to purchase), accessed 2026-06-14. https://shuttermuse.com/jackery-explorer-300-review/
[^3]: Sail Far Live Free (product listing/review), accessed 2026-06-14. http://www.sailfarlivefree.com/2022/11/power-on-go-jackery-explorer-300.html
[^4]: Zendure official store, accessed 2026-06-14. https://powerbank.zendure.com/products/supertank-pro
[^5]: StorageReview (Amazon listing referenced), accessed 2026-06-14. https://www.storagereview.com/review/zendure-supertank-pro-review