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Narwal J4

Built by Narwal · China

Updated Sep 2026·methodology

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The Narwal J4 is a Home Vacuum & Mop robot developed by Narwal (China), launched 2023.

RoboScore

47.0/ 100

Adequate evidence

No confirmed deployment on record — this score reflects the rest of the record, not verified adoption.

5 of 9 signals present

Recomputed nightly from public data. Missing data is skipped, never zero-filled — and rankings are never for sale.

Weighted factors

average of the 5 scored · blanks don't count

Commercial maturity20%75/100
Deployment footprint20%unknown
Proven track record12%30/100
Spec completeness12%89/100
Company financial health12%unknown
Company maturity8%50/100
Manufacturer portfolio6%59/100
Media mentions (trailing 12 months)6%unknown
Independent recognition4%unknown

Ranked #102 of 152 in the Home Vacuum & Mop standing.

See the standing
Where it has stood60 days · best #83 · worst #102
#1 · started #90#152

3 days carry something the board can name:

  • 10 Aug RoboScore fell 1.03 — its evidence changed.
  • 22 Aug Its maker's news lifted the score 0.56 — the board noticed.
  • 23 Sept RoboScore fell 0.28 — its evidence changed.

One reading per day since 3 Aug, when the current ordering began. The rank above is the reading for 2 Oct, taken against 152 robots — the standing itself is live, so a robot added since then counts there and not here yet.

-0.28since the 27 Sept reading — Proven track record now counts.

Will it fit your job?

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No needs set yet

Tell us what your job needs — payload, budget, region, must-have certifications — and we'll show how Narwal J4 measures up, requirement by requirement. The RoboScore (trust) above is shown for every buyer, regardless.

Overview

Intelligent sweep and mop robot featuring Narwal's flagship Whale Wash intelligent wash-mop system with MAX12N pressure adjustment, Dirtsense dual-spectrum dirt sensing for autonomous re-cleaning of soiled areas, and Smart-Swing edge cleaning technology. Equipped with 30-day dust bag autonomy (1L capacity), Narwal IPS 4.0 perception system for obstacle avoidance, Smart LiDAR SLAM 4.0 positioning, and comprehensive scene recognition based on million-home Chinese household data. Features intelligent mop lift on carpets, automatic area customization, noise reduction technology, and optional automatic water inlet/outlet system (3.0).

At a glance

  • Built for floor sweeping and floor scrubbing
  • Used across residential
  • Navigates using LiDAR SLAM
  • Public API for integration
  • Sold in 10 countries

Buyer decision signals

Viability

US$100.0M raised in 1 confirmed roundest. 2016

Availability

available

Specifications

Category: Home Vacuum & Mop
Weight
4.25 kg
Launch year
2023
Price
Contact for quote
Status
active
VerifiedSelf-reportedEstimated

Company profile

Confirmed funding
US$100.0M· 1 round
Founded
2016

Detailed specifications

What it is built for4
Applications
floor sweeping,floor scrubbing
Sub Category
vacuum mop
Procedure Types
mopping,sweeping,vacuuming
Industries Served
residential
Movement & precision2
Navigation Type
lidar slam
Obstacle Avoidance
true
Power & runtime1
Auto Charging
true
Controls & integration3
Api Available
true
App Connectivity
Wi-Fi, mobile app, voice assistant integration
Controller Model
YJCC015
Buying & support3
Model Variants
J4,J4 Lite
Availability Status
available
Countries Available
CN,TW,CA,AU,US,KR,JP,DE,IT,PL
Other details14
Ce Marked
true
Dustbin Ml
800
Mop System
dual spinning pads with self-wash and pressure adjustment
Filter Type
99.99% antibacterial, dust-mite resistant
Hepa Filter
true
Dock Features
self-empty, mop wash, optional automatic water inlet/outlet
Re Mop Cycles
up to 4 for soiled areas
Pressure Range
MAX12N
Mop Wash Cycles
up to 6 for heavily soiled areas
Re Sweep Cycles
up to 2 for soiled areas
Dust Bag Capacity Ml
1000
Voice Assistant Support
Xiaodu Smart Speaker (小度音箱)
Edge Coverage Improvement
40%
Onboard Dustbin Capacity Ml
800

Who runs it· deployment evidence

No deployment evidence on file

A deployment is recorded when a public source names the customer, or the maker confirms it. Nothing here counts against this robot.

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Where to buy

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Every authorized seller serving your region is shown equally — placement is never sold, and this data never affects a robot’s score. A seller’s absence here doesn’t mean they aren’t authorized.

Narwal in the news

the maker

8 events

Narwal’s newest lineup features powerful steam mopping and a $799 robot vac — here’s all we know

News about Narwal, the maker — not about this robot specifically, except rows marked this robot. Collected and classified independently across 19 outlets, so a maker cannot add to it. It never changes this robot's RoboScore — the evidence half of the RoboIndex — and it can move it up a board by at most 15 points. See all Narwal news

Frequently asked questions

Who makes the Narwal J4?
The Narwal J4 is developed by Narwal, based in China.
What type of robot is the Narwal J4?
The Narwal J4 is a Home Vacuum & Mop robot made by Narwal.
How much does the Narwal J4 cost?
Pricing for the Narwal J4 is not publicly listed — contact Narwal for a quote.
When was the Narwal J4 launched?
The Narwal J4 was launched in 2023.

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