TIHL AP 20 Battery
Product Description
The STIHL AP 20 Lithium-Ion Battery is an entry-level professional battery designed for use with selected STIHL AP System cordless tools. Delivering 36V power with a 4.0Ah capacity and 144Wh energy output, the AP 20 provides reliable performance for lighter gardening, landscaping, and maintenance applications.
Featuring STIHL intelligent battery management technology, the AP 20 delivers consistent power throughout the charge cycle, ensuring your tool maintains high performance even as the battery level decreases. The integrated LED charge indicator allows quick and easy monitoring of remaining battery capacity.
Built for durability, the AP 20 battery is designed for professional use with robust construction, IPX4 splashwater protection, and advanced cold-start technology that allows reliable operation in temperatures down to -20°C.
Compatible with STIHL AL 101, AL 301, AL 301-4 and AL 501 chargers, the AP 20 is an economical and dependable choice for powering a wide range of AP System tools.
Key Benefits
CONSTANT POWER OUTPUT
STIHL intelligent electronics ensure consistent performance from a fully charged battery through to the end of the charge cycle, preventing noticeable power loss as battery capacity decreases.
MAXIMUM PERFORMANCE WITH POWER BOOST
The intelligent communication between STIHL tools and batteries automatically adjusts power delivery to provide the maximum available performance for each application.
RELIABLE COLD WEATHER OPERATION
The advanced cold-start function protects battery cells by warming them in a controlled manner before delivering full power, allowing operation in temperatures as low as -20°C.
SPLASHWATER PROTECTION
With an IPX4 rating, the AP 20 battery is protected against splashwater from all directions, making it suitable for everyday outdoor use in changing weather conditions.
LONG SERVICE LIFE
Designed for intensive professional applications, STIHL AP batteries feature durable construction and long-lasting lithium-ion cell technology for extended battery life and frequent charging cycles.
EASY CHARGE MONITORING
The integrated 4 LED charge indicator provides a clear indication of remaining battery capacity.
LIGHTWEIGHT AND VERSATILE
At only 1.3kg, the AP 20 offers a practical balance between power, runtime, and portability.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | STIHL |
| Model | AP 20 |
| Battery System | STIHL AP System / ALLPRO |
| Battery Type | Lithium-Ion |
| Rated Voltage | 36V |
| Maximum Voltage | 40V |
| Battery Capacity | 4.0Ah |
| Rated Capacity (IEC 61960) | 3.90Ah |
| Rated Cell Capacity | 2.0Ah |
| Energy Capacity | 144Wh |
| Battery Weight | 1.3kg |
| Number of LEDs | 4 |
| Width | 116mm |
| Length | 70mm |
| Water Protection Rating | IPX4 |
| Operating Temperature | Down to -20°C |
| Charger Compatibility | AL 101, AL 301, AL 301-4, AL 501 |
Compatible STIHL Tools
Full Power Performance
- FSA grass trimmer – 86, 90
- HLA long-reach hedge trimmer – 66, 86
- HSA hedge trimmer – 66, 86, 100, 130, 140, 150
- KGA sweeper – 770
- RMA lawn mower – 2 RV, 448 PV
- SEA vacuum cleaner – 100
- SHA vacuum shredder – 140
- SGA sprayer – 85
Reduced Power Applications
- BGA blower – 86, 100, 160
- FSA brushcutter – 110, 120, 130, 135
- HLA long-reach hedge trimmer – 135
- HTA pole pruner – 66, 86, 150, 160
- KMA KombiMotor – 120, 135, 200
- MSA chainsaw – 161 T, 190 T, 220 T
- RMA lawn mower – 453 PV
Not Compatible With
- ASA secateurs – 140
- BGA blower – 200, 250, 300
- BRA backpack blower – 500, 600
- FSA brushcutter – 200, 250, 400
- HTA pole pruner – 135
- MSA chainsaw – 160, 200, 220, 300
- REA pressure washer – 100
- RMA lawn mower – 750, 756, 765, 7 RV
- TSA cut-off machines – 230, 300, 350, 500