COSORI Original Digital Glass Kettle CO117-DK vs Hamilton Beach 1 Liter Stainless Steel Electric Kettle 40998
Do you need a larger kettle with preset temperatures and keep-warm control, or a smaller one-switch kettle for boiling water?
Products compared

ASIN B08BFMV68M
COSORI Original Digital Glass Kettle CO117-DK
You want one of the six listed temperature presets from 165°F to 212°F.
Last observed offer
$53.99
- Confirm offer eligibility on Amazon
Size: 1.8 Quarts
Price checked
Observed condition: new. Coupon and subscription requirements unverified.

ASIN B00ZPN3O2I
Hamilton Beach 1 Liter Stainless Steel Electric Kettle 40998
You need at most 1 liter per boil.
Last observed offer
$24.99
- Confirm offer eligibility on Amazon
Size: 1.1 Quarts
Price checked
Observed condition: new. Coupon and subscription requirements unverified.
Prices are per listed package. Pickoryx may earn a commission from qualifying purchases through the paid Amazon links on this page, at no added cost to you.
Published by Pickoryx · Published 2026-10-21 · Source checked 2026-10-21 02:23 UTC
The main trade-off
The CO117-DK combines a 1.7-liter capacity with six temperature presets and a keep-warm mode; the 40998 has a 1-liter capacity and a simple on/off boil cycle.
Quick verdict
The COSORI CO117-DK is the feature-fit pick for tea or coffee routines that use specific water temperatures, keep-warm control or batches above 1 liter. The Hamilton Beach 40998 suits a simpler boil-water routine with a 1-liter stated capacity and one illuminated on/off switch. These are feature and capacity differences, not evidence that either kettle boils faster or performs better.
Choose COSORI Original Digital Glass Kettle CO117-DK if
- You want one of the six listed temperature presets from 165°F to 212°F.
- You want Keep Warm for up to 60 minutes; note that the manual says the Boil Black preset (212°F) is held at 200°F as a safety feature.
- You often need between 1 and 1.7 liters in one fill.
Choose Hamilton Beach 1 Liter Stainless Steel Electric Kettle 40998 if
- You need at most 1 liter per boil.
- You want a straightforward on/off cycle that shuts off after the water boils.
When the recommendation changes
- If you need temperature presets or keep-warm control, the CO117-DK feature set becomes more relevant. If you only need boiled water in batches of 1 liter or less, the 40998 simpler control and smaller stated capacity may be enough.
The differences that matter
| Decision point | COSORI Original Digital Glass Kettle CO117-DK | Hamilton Beach 1 Liter Stainless Steel Electric Kettle 40998 |
|---|---|---|
| Heating Controls And Capacity | 1.7-liter stated capacity; six preset temperatures at 165°F, 175°F, 180°F, 195°F, 200°F and 212°F; Keep Warm maintains the selected temperature for 60 minutes; when Boil Black (212°F) is selected, the manual says it holds at 200°F as a safety feature.[1, 2] | 1-liter stated capacity; illuminated on/off switch; the manual says the kettle automatically shuts off when water has boiled.[3, 4] |
What this changes: Use the larger listed capacity and preset/keep-warm controls when those functions match your routine; the 40998 is a simpler 1-liter boil option. No comparative heating-speed or accuracy conclusion follows.[1, 2, 3, 4] The better fit depends on your priorities | ||
| Filling Serving And Care | Separate power base; fill above MIN and below MAX; wipe kettle/base with a soft damp cloth and dry parts after use; do not remove the lid filter.[2] | Cord-free serving; removable mesh filter can be rinsed periodically; empty after use and wipe exterior with a damp cloth; do not immerse kettle or base.[3, 4] |
What this changes: Both support lifting the kettle from the base for pouring. Their stated filter and upkeep steps differ, so the useful distinction is which procedure you prefer, not a claim that one requires less effort.[2, 3, 4] The better fit depends on your priorities | ||
Best for your routine
Using preset water temperatures and Keep Warm while serving, with the Boil Black exception in mind
Best fit: COSORI Original Digital Glass Kettle CO117-DK
Based on listed features, not comparative testing.
The CO117-DK lists six temperature presets and up to 60 minutes of Keep Warm; its manual says Keep Warm holds at 200°F when Boil Black (212°F) is selected. The 40998 sources describe a single on/off boil cycle. Choose by whether those controls suit your drinks, not by an unmeasured taste or heating claim.
Boiling up to 1 liter of water with a single on/off control
Best fit: Hamilton Beach 1 Liter Stainless Steel Electric Kettle 40998
Based on listed features, not comparative testing.
The 40998 is rated for 1 liter and its published control is an illuminated on/off switch with automatic shutoff at the boil. That is a direct fit when preset temperatures are unnecessary.
Value and trade-offs
One or both observed offers have eligibility conditions, so no unrestricted price difference is shown.
Compare current offers for the exact models. The CO117-DK’s preset temperatures, keep-warm mode and larger stated capacity are the features that could matter if its current offer costs more; no price premium is assumed here.
No price history was assessed for this comparison, so it cannot support a buy-now or wait recommendation. Check the current offer and included base/manual for the exact model before purchasing.
Limitations
- No controlled side-by-side boil-time, temperature-accuracy, durability or long-term owner testing was used; the feature comparison does not rank real-world performance.
- Current offer prices and price history were not assessed.
Methodology and sources
Compared each model’s stated capacity and controls, then checked the manuals for serving, filter and routine-care instructions. Recommendations are conditional on those features; no measured performance conclusion is made.
Automated research and drafting organized the published specifications and care instructions; neither kettle was tested hands-on.
View 4 sources
- 1.Original Digital Glass KettleCOSORI · Official specifications · Source checked 2026-10-21 02:23 UTC
Evidence used on this page
- Product specifications and product summary; model number CO117-DK and UPC 810043371773: The manufacturer page identifies CO117-DK and lists 120 V / 60 Hz, 1.7 L capacity, six temperature presets, 60-minute Keep Warm mode, a glass housing and included power base.
- 2.Original Digital Glass Kettle User ManualCOSORI / Arovast Corporation · Official support · Source checked 2026-10-21 02:23 UTC
Evidence used on this page
- Model CO117-DK cover; Specifications (printed p. 3); Controls (printed p. 6); Keep Warm Mode (printed p. 8); Care & Maintenance (printed p. 9): The exact-model U.S. manual lists capacity and voltage, six preset controls, and a 60-minute Keep Warm mode; it specifies that Keep Warm holds at 200°F when Boil Black is selected. It also gives fill-level and cleaning/descaling instructions and says not to remove the lid filter.
- 3.1 Liter Stainless Steel Electric KettleHamilton Beach · Official specifications · Source checked 2026-10-21 02:23 UTC
Evidence used on this page
- Product heading, model number and features: The manufacturer page names model 40998, 1-liter capacity, cord-free serving, an illuminated on/off switch, a removable mesh filter and automatic shutoff with boil-dry protection.
- 4.Electric Kettle Use & Care Guide, document 840252201Hamilton Beach · Official support · Source checked 2026-10-21 02:23 UTC
Evidence used on this page
- English Parts and Features, How to Use the Kettle, Care and Cleaning; final model block lists 40798, 40978 and 40998 (Type K46, 120 V / 60 Hz / 1500 W): The manual’s model block includes 40998; its English sections describe the on/off boil cycle, removable anti-scale mesh filter, emptying after each use, damp-cloth exterior care and a no-immersion warning.