Product Price Power Source Battery Life (min) Charge Time (h) Waterproof Rating Shaving Heads Adjustable Settings
Philips Norelco Body Groomer 9000 BG9480/50
US
£95.92 Lithium-ion battery 120 1 100% showerproof 2D flexing shaving head and interchangeable trimmer head

This full-body groomer has interchangeable shaving and trimming heads, a 2D flexing head, 120 minutes of cordless use, and 100% showerproof wet and dry operation. It suits users who want versatile grooming for the body and intimate areas, with a foldable back attachment and UV sanitizing cube included.

★ Ideal for

It is a strong choice for the question Which electric razor has the longest battery life because its lithium-ion battery provides up to 120 minutes of cordless use, supported by a 1-hour full charge and a 5-minute quick-charge option.

Andis ProFoil Lithium Titanium Foil Shaver
US
£47.95 Lithium-ion battery 80 Gold titanium hypo-allergenic foil (single foil)

Lightweight cordless foil shaver with a lithium-ion battery and gold titanium hypo-allergenic foil designed for close, irritation-free dry shaves; runs about 80 minutes per charge and includes a dual-voltage charger for travel. Suits barbers and home users who need a quiet, precise finishing shaver for sensitive skin.

★ Ideal for

Ideal for longest-battery-life searches because it provides up to 80 minutes runtime on a single lithium-ion charge, longer than many comparable foil shavers.

Xiaomi Mijia Electric Shaver S302
US
£29.51 Rechargeable (USB-C) 90 1 IPX7 Dual-ring floating blades

The Xiaomi Mijia Electric Shaver S302 is a rechargeable, IPX7 waterproof foil shaver with dual-ring floating blades, an LED display, and two speed settings. It has an 800mAh battery offering about 90 minutes run time and USB-C fast charging, suitable for wet or dry use and easy cleaning. It's designed for fast, comfortable daily shaving and travel convenience.

★ Ideal for

Suitable for the longest-battery-life comparison because it offers a reported 90 minutes run time from an 800mAh battery, longer than many compact razors.