# What is the best battery pack for charging multiple devices at once? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What is the best battery pack for charging multiple devices at once?

## Products

### Nimble CHAMP Portable Charger (Champ Portable Charger)
```yaml
product: nimble-champ-portable-charger-champ-portable-charger
brand: Nimble
price_gbp: 45.46
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: 3.38in x 2.28in x 0.98in
weight: 6.2 oz
capacity: 10000 mAh
output_voltage: 5.0V/3.0A (15W), 9V/2.22A (20W), 12V/1.6A (20W)
number_of_ports: 2
input_charging_method: USB-C PD
```

- **Price:** £45.46 [^1]
- **Summary:** Nimble CHAMP is a compact 10,000 mAh power bank with USB-C Power Delivery (PD) fast charging and dual ports so you can charge two devices at once. It supports 20W USB-C PD output (with 5V/3A input and 9V/2A input), making it a good travel or daily carry charger for phones and other USB-C devices.
- **Ideal For:** It's built for charging multiple devices at once because it has 2 ports and supports 20W USB-C Power Delivery while allowing simultaneous charging via the dual USB-C ports.
- **Additional Sources:** [^1]

### BioLite Charge 100 Max Power Bank
```yaml
product: biolite-charge-100-max-power-bank
brand: BioLite
price_gbp: 102.29
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: 140 x 112 x 35 mm
weight: 580 g
capacity: 25,000 mAh
charging_time: 1.5 hours
number_of_ports: 5
input_charging_method: USB-C PD 65W USB-C PD
```

- **Price:** £102.29 [^2]
- **Summary:** The BioLite Charge 100 Max is a 25,000 mAh power bank designed to charge up to five devices at once, including two 100W USB-C PD ports plus 15W USB-C, 15W USB-A, and a 15W magnetic wireless charging pad. It supports fast recharging in about 1.5 hours with 65W USB-C PD input and can output up to 120W total. It suits travelers and remote workers who need one hub for multiple devices, including laptop-class USB-C power.
- **Ideal For:** It's ideal for charging multiple devices at once because it has 5 charge outlets total (2x 100W USB-C PD, 1x 15W USB-C, 1x 15W USB-A, and a 15W wireless pad) and outputs up to 120W while recharging the power bank in 1.5 hours with 65W USB-C PD input.
- **Additional Sources:** [^3], [^4], [^2], [^3], [^4]

---
## References & Sources
[^1]: gonimble.com, accessed 2026-06-26. https://www.gonimble.com/products/champ-portable-charger-1
[^2]: BioLite, accessed 2026-06-26. https://www.bioliteenergy.com/products/charge-100-max
[^3]: REI Co-op, accessed 2026-06-26. https://www.rei.com/product/234327/biolite-charge-100-max-power-bank
[^4]: Kittery Trading Post, accessed 2026-06-26. https://www.kitterytradingpost.com/brands/biolite/