# 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

### BioLite Charge 100 Max Power Bank
```yaml
product: biolite-charge-100-max-power-bank
brand: BioLite
price_gbp: 99.58
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:** £99.58 [^1]
- **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:** [^2], [^3]

### Anker Laptop Power Bank
```yaml
product: anker-laptop-power-bank
brand: Anker
price_gbp: 64.96
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: 6.18 x 2.12 x 1.93 in
weight: 21 oz
capacity: 25000mAh
charging_time: 30% in 20 minutes
number_of_ports: 4
input_charging_method: 100W USB-C
```

- **Price:** £64.96 [^4]
- **Summary:** The Anker Laptop Power Bank has a 25000mAh capacity, up to 165W total output, and three USB-C connections capable of delivering up to 100W each. Its two built-in USB-C cables and four-device charging support suit laptop users, travelers, and people carrying several USB-powered devices.
- **Ideal For:** This product specifically suits charging multiple devices at once because it supports up to four devices, provides 165W total output, and includes three USB-C connections with up to 100W available per connection.

### Nimble CHAMP Pro Portable Charger 20000mAh
```yaml
product: nimble-champ-pro-portable-charger-20000mah
brand: Nimble
price_gbp: 73.79
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: 5.92in x 2.48in x 1.00in
weight: 12.9 oz
capacity: 20000 mAh
charging_time: 2 hours
output_current: 3A, 3.25A maximum
output_voltage: 5V, 9V, 12V, 15V, 20V
number_of_ports: 2 USB-C ports
input_charging_method: USB-C Power Delivery
```

- **Price:** £73.79 [^5]
- **Summary:** The Nimble CHAMP Pro provides a 20000 mAh capacity with 65W USB-C Power Delivery output for fast charging phones, tablets, and compatible laptops. Its compact size, dual USB-C ports, and lightweight design suit travelers, commuters, and people carrying several devices.
- **Ideal For:** It suits charging multiple devices at once because it has two USB-C ports, 20000 mAh of capacity, and up to 65W output for simultaneously powering devices such as laptops, tablets, and phones.
- **Additional Sources:** [^6]

### Anker 313 Power Bank 10000mAh
```yaml
product: anker-313-power-bank-10000mah
brand: Anker
price_gbp: 19.19
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
size: 5.87 x 2.68 x 0.55 in
weight: 7.5 oz
capacity: 10000mAh
output_current: 2.4A
output_voltage: 5V
number_of_ports: 3
input_charging_method: USB-C or Micro-USB input, 5V/2A
```

- **Price:** £19.19 [^7]
- **Summary:** The Anker 313 Power Bank has a 10000mAh capacity, slim dimensions, and PowerIQ and VoltageBoost technology with up to 12W output. It is suited to everyday phone, tablet, and low-power accessory charging, but it can charge only one device at a time.
- **Ideal For:** It is not the best battery pack for charging multiple devices at once because it has only one output port, although its 10000mAh capacity and 5V/2.4A output suit portable single-device charging.
- **Additional Sources:** [^8], [^9]

### Nimble CHAMP Portable Charger (Champ Portable Charger)
```yaml
product: nimble-champ-portable-charger-champ-portable-charger
brand: Nimble
price_gbp: 44.26
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:** £44.26 [^10]
- **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.

---
## References & Sources
[^1]: BioLite, accessed 2026-09-13. https://www.bioliteenergy.com/products/charge-100-max
[^2]: Kittery Trading Post, accessed 2026-09-13. https://www.kitterytradingpost.com/brands/biolite/
[^3]: REI Co-op, accessed 2026-09-13. https://www.rei.com/product/234327/biolite-charge-100-max-power-bank
[^4]: Best Buy, accessed 2026-09-13. https://www.bestbuy.com/site/searchpage.jsp?id=pcat17071&st=power+bank+100w
[^5]: Nimble, accessed 2026-09-13. https://www.gonimble.com/products/champ-pro-portable-charger-1
[^6]: Desertcart Papua New Guinea, accessed 2026-09-13. https://papua.desertcart.com/products/682232723-nimble-champ-pro-20k-dual-usb-c-portable-charger-65w
[^7]: Anker, accessed 2026-09-13. https://www.anker.com/products/a1229
[^8]: Discount Store Uganda, accessed 2026-09-13. https://discountstore.ug/collections/all/power-bank
[^9]: Noon Saudi Arabia, accessed 2026-09-13. https://www.noon.com/saudi-en/10000-mah-powercore-10000-mah-313-power-bank-black/N53405706A/p/
[^10]: gonimble.com, accessed 2026-09-13. https://www.gonimble.com/products/champ-portable-charger-1