KNKG CONQUER Backpack Small 19L vs Lowepro Flipside BP 400 AW III
The KNKG CONQUER Backpack Small 19L is 19L and 1.7kg3.7lb; the Lowepro Flipside BP 400 AW III is 20L and 1.7kg3.7lb. They weigh the same. The KNKG CONQUER Backpack Small 19L costs $19 less. The KNKG CONQUER Backpack Small 19L fits the carry-on limit of 36 of 36 major airlines and the Lowepro Flipside BP 400 AW III fits 15; under the seat, 7 and 0 of 26.
| Spec | KNKG CONQUER Backpack Small 19L | Lowepro Flipside BP 400 AW III |
|---|---|---|
| Price | $230Best | $249 |
| Volume | 19L | 20L |
| Weight | 1.7kg3.7lb | 1.7kg3.7lb |
| Carry-on compliance | 100%Best | 42% |
| Personal-item compliance | 27%Best | 0% |
| Dimensions | 45×30×14cm17.5×12×5.5in | 48×33×24cm19×13×9.5in |
| Laptop | 16"Best | 15" |
| Bottle pockets | 2 | 2 |
| Opening | Panel access, Peel down opening | Panel access, back panel + side access |
| Warranty | 25 years | n/a |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | No | No |
| Frame sheet | No | No |
| Water-resistant | No | Yes |
| Rain cover | No | Yes |
| MOLLE | No | No |
| Hip belt | No | No |
| Sternum strap | No | No |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | Yes |
| Material | 500D nylon body (PVC backing), ripstop nylon lining, YKK zippers, nylon webbing | 600D polyester, 600D polyester ripstop |
| Last checked | 2026-10 | 2026-09 |
Where their airline fit differs
| Airline | Limit | KNKG CONQUER Backpack Small 19L | Lowepro Flipside BP 400 AW III |
|---|---|---|---|
| Air Arabia | Carry-on | Fits | Too big |
| Air Canada | Carry-on | Fits | Too big |
| Air India | Carry-on | Fits | Too big |
| AirAsia | Carry-on | Fits | Too big |
| Alaska Airlines | Carry-on | Fits | Too big |
| Allegiant Air | Personal item | Fits | Too big |
| American Airlines | Carry-on | Fits | Too big |
| American Airlines | Personal item | Fits | Too big |
| British Airways | Personal item | Fits | Too big |
| Cebu Pacific | Carry-on | Fits | Too big |
| Delta Air Lines | Carry-on | Fits | Too big |
| easyJet | Personal item | Fits | Too big |
| Emirates | Carry-on | Fits | Too big |
| Frontier Airlines | Personal item | Fits | Too big |
| JetBlue Airways | Carry-on | Fits | Too big |
| LATAM Airlines | Personal item | Fits | Too big |
| Lufthansa | Carry-on | Fits | Too big |
| Norwegian Air Shuttle | Carry-on | Fits | Too big |
| Qantas | Carry-on | Fits | Too big |
| Ryanair | Carry-on | Fits | Too big |
| SAS | Carry-on | Fits | Too big |
| Turkish Airlines | Carry-on | Fits | Too big |
| United Airlines | Carry-on | Fits | Too big |
| Vietjet Air | Carry-on | Fits | Too big |
| Volaris | Personal item | Fits | Too big |
| Vueling | Carry-on | Fits | Too big |
| WestJet | Carry-on | Fits | Too big |
| Wizz Air | Carry-on | Fits | Too big |
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Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.