# Which beard trimmer has the longest battery life? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

Which beard trimmer has the longest battery life?

## Products

### Braun All-in-One Trimmer Series 9 PRO AIO9550, 13-in-1 Kit
```yaml
product: braun-all-in-one-trimmer-series-9-pro-aio9550-13-in-1-kit
brand: Braun
price_gbp: 147.95
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
cordless: true
waterproof: 100% waterproof
battery_life: 180 minutes
number_of_blades: 1
adjustable_lengths: 52 settings, 0.25 mm steps
```

- **Price:** £147.95 [^1]
- **Summary:** This premium 13-in-1 grooming kit trims, details, fades, shaves, and grooms the beard, hair, face, and body. It suits users who want precise control, strong performance on dense hair, and a long-lasting cordless trimmer.
- **Ideal For:** It suits people asking which beard trimmer has the longest battery life because it provides up to 180 minutes of cordless runtime, giving it exceptionally long battery life for extended grooming between charges.

### Braun Beard Trimmer Series 9 BT9560
```yaml
product: braun-beard-trimmer-series-9-bt9560
brand: Braun
price_gbp: 66.57
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
cordless: true
waterproof: true
charge_time: 1 hour
battery_life: 180 minutes
number_of_blades: 1
adjustable_lengths: 52 length settings
```

- **Price:** £66.57 [^2]
- **Summary:** The Braun Beard Trimmer Series 9 BT9560 is a premium cordless trimmer with a ProBlade, PowerBoost mode, and 52 precise length settings. Its 180-minute runtime and waterproof design suit users who want versatile, low-maintenance grooming for short stubble through longer beards.
- **Ideal For:** It suits the question 'Which beard trimmer has the longest battery life?' because its Li-Ion battery provides up to 180 minutes of cordless runtime between charges.
- **Additional Sources:** [^3]

---
## References & Sources
[^1]: Braun, accessed 2026-09-04. https://us.braun.com/en-us/male-grooming/trimmers/all-in-one-trimmer-aio9550
[^2]: Braun Shop UK, accessed 2026-09-04. https://www.braunshop.co.uk/p/beard-trimmers/beard-trimmer-9/bt9560/16194496/
[^3]: Care to Beauty, accessed 2026-09-04. https://www.caretobeauty.com/il/braun-series-9-beard-trimmer-bt9560/