Home / Compare / REOLINK Battery Doorbell (2nd Gen) vs aosu 5MP Video Doorbell
Head to head
REOLINK Battery Doorbell (2nd Gen) vs aosu 5MP Video Doorbell
Both refuse the subscription. One has the better frame shape, the other has thousands more ratings behind it.
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The short call
- Choose the REOLINK Battery Doorbell (2nd Gen) if
- deliveries matter and you want to see the parcel on the step, not just the courier's chest.
- Choose the aosu 5MP Video Doorbell if
- you want the porch covered and you refuse a monthly fee on a doorbell.
Specifications side by side
Only what each listing states. Blanks are written as Not listed rather than filled in.
| Spec | REOLINK Battery Doorbell (2nd Gen) | aosu 5MP Video Doorbell |
|---|---|---|
| Resolution | 2K 4MP (2048x2048) | 5MP |
| Aspect | 1:1 head-to-toe | Not listed |
| Battery | Up to 10 months claimed | Not listed |
| Detection | Person, vehicle, animal, package | Radar + PIR + AI person |
| Power | Wire-free or wired | Battery or wired |
| Fee needed | No | No |
| View | Not listed | 166 degrees |
| Storage | Not listed | 8 GB base, 60-day loop |
| Price band | $100 to $200 | $100 to $200 |
| Listing rating | 4.5 (35) | 4.4 (10,466) |
The case for the REOLINK Battery Doorbell (2nd Gen)
The 1:1 head-to-toe aspect ratio is the real differentiator: it frames a person from face to parcel, which is exactly the shape a doorbell needs and most do not have.
- Skip it if
- You want a long review history. This listing had very few ratings when we checked.
The case for the aosu 5MP Video Doorbell
Against other doorbells it spends its money on sensors rather than on brand, and the three-way detection stack is aimed at the false alerts that make people mute notifications.
- Skip it if
- You are deep in the Ring or Nest app already and want one app for everything.
How to decide
Where the listings actually differ: resolution, 2K 4MP (2048x2048) against 5MP; detection, Person, vehicle, animal, package against Radar + PIR + AI person; power, Wire-free or wired against Battery or wired.
The REOLINK Battery Doorbell and the aosu 5MP Video Doorbell sit in the same price band ($100 to $200), so price will not settle it.
The aosu 5MP Video Doorbell has 10,466 ratings behind its score; the REOLINK Battery Doorbell (2nd Gen) has 35, which is an early signal rather than a track record.
Read the full reviews
Updated October 27, 2026 by Henrik Halvorsen. Specifications were checked against the Amazon listings on that date. Prices are shown as bands because they change week to week; the listing shows today's.