BY519801 is a documented battery in the SKIL PWRCORE 12 system. This page identifies its sourced specifications, exact-model restrictions and the next check before use.
As an Amazon Associate I earn from qualifying purchases.
Verified model facts
| Field | Manufacturer-sourced value |
|---|---|
| Manufacturer | SKIL |
| Exact model | BY519801 |
| Product type | battery |
| System | SKIL PWRCORE 12 |
| Market | US |
| Voltage label | 12V |
| Capacity | 4Ah |
| Chemistry | lithium-ion |
| Technology | PWRCORE |
- The manufacturer lists 4Ah capacity for this exact pack.
Amazon model search
Search Amazon listings for the exact printed model. A search result can include other sellers, variants or unrelated items; check the manufacturer model, battery system, safety notices and seller listing before ordering.
(paid link)
Search SKIL BY519801 battery pack on AmazonWhat compatibility data says
The exact model is documented, but no direct pair statement is loaded. A platform rule may provide a conditional lead; absent evidence stays unknown.
Exceptions, source limits and safety
- Check the exact region, revision and current manufacturer instructions.
A missing rating is not zero or universal support. Charger AC input and pack-to-tool use are separate checks.
Official sources
These source records were reviewed as of 2026-10-30; access methods differ. Open the latest manufacturer manual for your exact type, region and revision before use.
- skil — PWR CORE 12™ Lithium 4.0Ah 12V Battery with PWR ASSIST™ Mobile ChargingBY519801 — battery; 12V; 4.0Ah · full_page · Checked 2026-10-30