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 and fulfills all operational safety guidelines. EXTENSILO offers high-performance accessories for your needs. 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 HTA 2050 (113539), HT 2000 (113700), HT 2050 (113536) 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. To ensure compatibility, please check if the battery you are currently using is listed above.