CN3791 MPPT Solar Panel 3.7V 4.2V Lithium Battery Charging Board Modules Low Power Solar Charger 6V 9V 12V
Quick answer
Is $4.55 a good price for CN3791 MPPT Solar Panel 3.7V 4.2V Lithium Battery Charging Board…?
Too early to tell: DipScout has tracked this price for less than a day, and comparing it with a typical price takes at least 7 days. Tracked since Oct 30, 2026, the price hasn't changed.
$4.55
Today it costs $4.55 on AliExpress. Since Oct 30, 2026, when we started tracking it, the price hasn't changed. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for less than a day; confirming a drop takes at least 7 days. The store advertises "was $9.10", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
$4.55
We started tracking this price on Oct 30. The chart takes shape over the days: we only draw prices we observed.
| Store | All Great Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Electronic Components & Supplies › Active Components |
| Recorded readings | 1 |
| First seen | |
| Last reading |