BP 18 Li 5,0 HP-ASI is a documented battery in the Festool standard 18V system. This page identifies its sourced specifications, exact-model restrictions and the next check before use.
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Verified model facts
| Field | Manufacturer-sourced value |
|---|---|
| Manufacturer | Festool |
| Exact model | BP 18 Li 5,0 HP-ASI |
| Product type | battery |
| System | Festool standard 18V |
| Market | US |
| Voltage label | 18V |
| Capacity | 5Ah |
| Chemistry | lithium-ion |
| Technology | Li-HighPower AIRSTREAM |
- The manufacturer lists 5Ah capacity for this exact pack.
Amazon model search
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What compatibility data says
- battery to tool — CTC SYS I HEPA-Basic: incompatible. Manufacturer documentation records this battery to tool relationship.
Exceptions, source limits and safety
- Model-specific exception recorded. Read the exception and the exact manual before use.
- Official battery page excludes ETSC 125, RTSC 400, DTSC 400, CTC SYS.
A missing rating is not zero or universal support. Charger AC input and pack-to-tool use are separate checks.
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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.
- festool — HighPower Battery Pack BP 18 Li 5,0 HP-ASIBP 18 Li 5,0 HP-ASI — battery; 18V; 5.0Ah · full_page · Checked 2026-10-30
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