Shanghai Kepler Robotics Co., Ltd. Forerunner K2 vs UBTech Robotics Walker S2

Dataset date: 2026-09-20

175 cmhuman
payload 30 kg (claimed)battery runtime 480 min (demonstrated)
ClaimedC175 cm1Shanghai Kepler Robotics Co., Ltd. Forerunner K2
payload 15 kg (claimed)
ClaimedC176 cm3UBTech Robotics Walker S2

Height to scale. Width is schematic, derived from weight; not a measured body width.

Shanghai Kepler Robotics Co., Ltd. Forerunner K2Shanghai Kepler Robotics Co., Ltd. Forerunner K2: announced 2024-10-21, first demo 2025-07-27, no dated delivery evidence
UBTech Robotics Walker S2UBTech Robotics Walker S2: announced 2025-07-23, no dated delivery evidence

open outline: claimed → demonstrated · hatched: demonstrated · filled dot: first delivery recorded

Evidence sheet

PropertyShanghai Kepler Robotics Co., Ltd. Forerunner K2UBTech Robotics Walker S2Difference
Height (cm)ClaimedC175 cm1ClaimedC176 cm3+1 cm
Weight (kg)ClaimedC75 kg1sources disagreeno sourced value
Degrees of freedomClaimedC524ClaimedC5230 DoF
Walking speed (km/h)no sourced valueno sourced valueno sourced value
Payload (kg)ClaimedC30 kg1ClaimedC15 kg2-15 kg
Battery runtime (min)DemonstratedD480 min1sources disagreeno sourced value
Handsno sourced valueno sourced value
Latest priceClaimedCCNY 248,0001no sourced value
Announced2024-10-2142025-07-233+9 mo
First customer deliveryno sourced valueno sourced valueno sourced value
Delivery statusdemonstratedclaimed

Notes

  1. 30 kg (66 lbs) (accessed 2026-09-20) — source
  2. pitch 125° angle and handle 15kg payload within 0-1.8 meters workspace (accessed 2026-09-20) — source
  3. stands at an impressive height of 1.76 meters (accessed 2026-09-20) — source
  4. 52 total; hands feature up to 11 DOF per hand (active and passive) (accessed 2026-09-20) — source

Cite this comparison: https://humanoidrecord.com/compare/kepler-k2-vs-ubtech-walker-s2/ (accessed 2026-09-20)

Correct this comparison or email corrections@humanoidrecord.com.