General description High-quality, compatible battery with long-lasting cells designed for use in your power tools. This battery is ideal as a second battery, ensuring you have the power you need when you need it. EXTENSILO batteries and cells fulfill all operational safety guidelines and provide high performance. Technical specifications Weight: 352 g Battery type: Li-Ion No memory effect Capacity: 2500 mAh Voltage: 18 V Energy: 45 Wh Colour: black Number of cells: 5 Compatibility and accessories Compatible with AL-KO 34.8 Li lawn mower, CSA 2020 (113538), GT 2000 (113701) Replacement for WA3511, WA3512, WA3512.1, WA3516, WA3520, WA3523, WA3525, WA3575, WA3578, RW9351.1, WA3528, WA3551.1, WA3549.1, WA3572, WA3553.2 Usage Our high-performance, long-lasting replacement batteries have been developed for maximum operating time, ensuring your tools are always ready for use.