Best match
4500mAh/3600mAh Robot Vacuum Cleaner Battery DJ96-00193B for Samsung POWERbot R7040 VCA-RBT71/XAA Sweeping Machine Battery
AliExpress · Top-ranked for this budget
$89.69$179.38
Get deal Prices updated Nov 12, 2026
Best Robot Vacuums Under $100
We compared 63 robot vacuums priced under $100 from 4 stores. Most cost around $86, and well-matched options start at $61.37. PRETTYCARE and Lefant have the most models in this price range. 40 are currently marked down. Prices come from each store's product feed and are refreshed every day.
63Compared
4Stores
$61.37From
40On sale
Top picks under $100
Budget pick
1800pa robot vacuum cleaner automatic vacuum cleaner robot cross-border charging cleaning machine small household appliances
DHGate · One of the cheapest well-matched options
$76.65
Get deal 
Big price drop
Lefant Robot Vacuum Cleaner, Strong Suction, 120 Mins Runtime, Slim, Low Noise, Automatic Self-Charging, Wi-Fi/App/Alexa Control, Ideal for Pet Hair Hard Floor and Daily Cleaning, M210
Amazon · 50% below its usual price
$99.99$199.99
Get deal 63 deals
Robot vacuums under $100
-50%
AliExpress4500mAh/3600mAh Robot Vacuum Cleaner Battery DJ96-00193B for Samsung POWERbot R7040 VCA-RBT71/XAA Sweeping Machine Battery
$89.69$179.38
You save $90
-80%
-34%
AliExpressKANKA KSDJ-0606-T Sweeping Robot Vacuum Mini automatic cleaning Robot Vacuum Cleaner Smart Vacuum Cleaner Robot
$88.87$134.65
You save $46
-50%
-10%
AliExpressLiving Room Metal with Wheels Trolley Storage Rack Adjustable Magnetic Plate 3 Tier Movable Robot Vacuum Cleaner Organize
$98.65$109.61
You save $11
-10%
AliExpressSmart Floor Cleaning Robot Vacuum Cleaner Electrodomestic
$89.07$98.97
You save $10
-34%
AliExpressVBOT T270 Robot Vacuum Cleaner Sweep the cat hair, dust and hair Four modes Flexible cleaning Sweeping Robot Vacuum Gifts
$74.32$112.60
You save $38
-16%
AliExpressVacuum Cleaner Obstacle Detector Robot Vacuum Distance Module For Obstacle Avoidance Precise Fitment Design Direct Installation
$81.77$97.35
You save $16
-10%
AliExpressIntelligent Sweeping Household Self Charging Robotic Vacuum Mopping Robot Vacuum Cleaner
$82.43$91.59
You save $9
-34%
AliExpressKANKA KC-T03 Robot Vacuum Cleaner Sweeping Suction Dragging Intelligent obstacle recognition Sweeping Robot Vacuum Hair suction
$70.20$106.37
You save $36
-34%
AliExpressKANKA KC-VS37 Robot Vacuum Cleaner Sweeping Suction Dragging Intelligent obstacle recognition Sweeping Robot Vacuum Hair suction
$69.86$105.85
You save $36
-48%
AliExpressoriginal special floor cleaner 450ml Dreame L30 ultra L20 Ultra L10 Prime X10 X10 plus X20 robot vacuum cleaner cleaning liquid
$63.13$121.40
You save $58
-50%
AliExpress3-in-1 Smart Robot Vacuum Cleaner Household Sweeping Robot 2800PA with Remote Control & APP Super Quiet Wet & Dry Floor Mopping
$61.37$122.74
You save $61
-15%
AliExpressTangle-Free Robot Vacuum Cleaner for Pet Hair, 120 Mins Runtime, Self-Charging, Ideal for Hard Floors
$77.42$91.08
You save $14
-28%
AliExpressAuto Recharge Multifunctional Robot Vacuum Cleaner 3-in-1 Sweep Mop Suction Household Floor Robot for Wholesale Dropshipping
$65.01$90.29
You save $25
-50%
AliExpress14.4V 6000mAh Large capacity Baterías de repuesto para Robot de barrido Xiaomi Mi Home 1st/2nd Roborock S50/1/52/53/55
$76.58$153.17
You save $77
-11%
AliExpress3 in 1 intelligent sweeping robot vacuum cleaner charging mopping humidification spray household robot vacuum cleaner
$69.44$78.02
You save $9
-11%
AliExpressSmart Home Cleaning Robot Wet and Dry Mopping Car Robot Vacuum Cleaner for USB/Battery Charging
$69.13$77.67
You save $9
-10%
AliExpressEconomic Smart Robot Vacuum Cleaner Auto Recharge Schedule Cleaning Wet Dry Mop Household Floor Sweeper Carpet Pet Hair
$68.09$75.65
You save $8
-30%
AliExpressAccesorio para tanque de agua limpia B46C, ultra duradero para Roborock S7 Maxv Ultra/S7 Pro Ultra
$71.27$101.82
You save $31
-50%
-30%
AliExpressA87Z para Ecovacs Deebot OZMO T9/T8MAX/T8 AIVI tanque de agua T9 Max/T9 Power OZMO T8/T8 +/ PRO piezas de aspiradora negro
$70.54$100.77
You save $30
-30%
AliExpress(ABZD) Motor de Ventilación y Succión para Aspiradoras iRobot Roomba I1 I2 I3 I4 I5 I6 I7 I8 I9 J8 J9, Repuestos
$68.32$97.60
You save $29
-30%
AliExpressL65A-tanque de agua OZMO PRO, sistema de fregado para Ecovacs Deebot OZMO T8, T8+, T8 AIVI,T9 Serier, piezas de aspiradora
$67.84$96.91
You save $29
-30%
AliExpress【Favorito del comprador】Piezas de repuesto para Irobot Roomba Combo 10 Max,Combo J9+,Combo J7+/Plus Piezas de aspiradora
$67.58$96.54
You save $29
-30%
AliExpressTanque de Agua Limpia X10A para Aspiradora Roborock Flexi/Flexi Pro/A20/A20 Pro, Repuesto para Aspiradora de Líquidos y Polvo
$66.36$94.80
You save $28
-30%
AliExpress(ABZD) Sensor de distancia láser LDS09RR para piezas de repuesto de aspiradora Roborock V20 / P10S Pro
$60.11$85.87
You save $26
-55%
AliExpress21.6V 2600mAh For Sam sung POWERbot R7040 robotic vacuum cleaner battery Samsung VCA-RBT71/XAA
$81.68$181.50
You save $100
-25%
AliExpressFor ROPVACNIC Robot Vacuum Cleaner Mop Combo 4000Pa Suction Customizable Cleaning Settings Self-Charging Robotic Vacuum
$89.06$118.74
You save $30
-50%
AliExpressDJ43-00006B High Quality Battery 14.4V 3500mAh for Samsung NaviBot SR8940 SR8950 SR8980 VCR8940 Robot Vacuum Cleaner Brand
$72.36$144.72
You save $72
-5%
AliExpressFor LG CordZero R87 BDV1 R9 R9MASTER Robot Vacuum Cleaner EAC63419402 EAC63419403 EAC63419404
$85.84$90.36
You save $5
-50%
AliExpress20884‑1 14.4V 6800mAh Li‑ion Rechargeable Battery Pack For Vorwerk Kobold VR200 Robot Vacuum Cleaner
$63.73$127.46
You save $64
-10%
AliExpressfor Neato Botvac 70 D8000 12V 6000mAh D70 D75 Robotic vacuum cleaner battery
$65.97$73.30
You save $7
-10%
AliExpressSuitable for stone roborock sweeping robot P10/G20/Q5Pro +/QRevo/S8 lidar LDS
$60.45$67.17
You save $7
Not what you need? Search all robot vacuums →
Refreshed daily. Prices come straight from each store's product feed — last update Nov 12, 2026.
4 stores, one list. We mix stores so no single shop crowds out the rest.
Coupons on top. Look for the coupon tag on a deal to save even more at checkout.
Robot Vacuums under $100: FAQ
1What is the cheapest robot vacuum under $100?
1
What is the cheapest robot vacuum under $100?In today's comparison, well-matched robot vacuums start at $61.37 — for example "3-in-1 Smart Robot Vacuum Cleaner Household Sweeping Robot 2800PA with Remote Control & APP Super Quiet Wet & Dry Floor Mopping" at AliExpress. Prices change daily, so check the store for the current price.
2How much do robot vacuums under $100 usually cost?
2
How much do robot vacuums under $100 usually cost?The typical price of the robot vacuums in this list is about $86. 63 models from 4 stores are listed under $100.
3Which stores sell robot vacuums under $100?
3
Which stores sell robot vacuums under $100?AliExpress (56), Walmart (3), DHGate (3) and Amazon (1) — the number shows how many matching robot vacuums each store has.
4Are any robot vacuums under $100 on sale?
4
Are any robot vacuums under $100 on sale?Yes — 40 are marked down right now. The biggest markdown is 80% off "Robot Vacuum Cleaner, 3-in-1 Smart Automatic Sweeping Mopping and Suction Vacuum with Humidifier & LED Atmosphere Light, USB Rechargeable Wireless Floor Cleaner for Pet Hair, Hardwood Floors" at AliExpress ($71.75). Use the "On sale" filter to see them all.
5How often is this list updated?
5
How often is this list updated?Every day, after the stores' product feeds are refreshed. This list was last updated on Nov 12, 2026. Prices and stock can change at any time, so the store's own page is always the final word.
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Prices and availability come from the stores and may change. We may earn a commission when you buy through these links — affiliate disclosure.