SIHOO Doro S100 vs HBADA E3 Ultra

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

SIHOO

SIHOO Doro S100

$499.99 – $509.99

HBADA

HBADA E3 Ultra

$809

2 years

longer warranty on HBADA E3 Ultra than SIHOO Doro S100 (official terms)

Differences at a glance

SIHOO Doro S100HBADA E3 Ultra

Price: $499.99 – $509.99$809
Seat depth: 15.15–17.12 in (≈ 38.5-43.5 cm)1.97" seat-depth adjustment (HBADA does not publish the seat-depth range)
Load capacity: 330 lb (≈ 150 kg)330 lb
Recline: Reclines up to 135°Reclines up to 140° with multiple locking positions
Arms: 4D coordinated armrests (Up and down, left, right, forward and backward, tilt linkage); Up and down 2.76 in, forward and back 1.18 in, side to side, rotate 72°720° Omni-Mechanical Armrests: 360° pad rotation and body swivel
Headrest: Integrated headrest adjusts up or down; upper backrest in five levels4D Biaxial Adjustable Headrest: frame rotation 70°, tilt and rotation 70°, up/down 1.8", forward/backward 2.2"
Lumbar support: Dual dynamic lumbar support3-Zone Elastic Lumbar Support: wings rotate 40°, 14° dynamic support, 1" front/back, 1.6" up/down
Warranty: 3 years5 years

Which is cheaper, the SIHOO Doro S100 or the HBADA E3 Ultra?

The SIHOO Doro S100 is cheaper to start: $499.99 versus $809 for the HBADA E3 Ultra at the brand stores (Oct 2026).

Which has a headrest?

Both: the SIHOO Doro S100 as standard and the HBADA E3 Ultra as standard.