hello we are a battery factory.
thanks. 36 V 48 V 52 V Lithiumbatterie 36 V 48 V 52 V 10 Ah 13 Ah 17 Ah 20 Ah Elektrozellenbatterie Verwenden Sie eine LG-Zelle für 500 W 750 W 1000. we also support customization and mass production.syi you can contact us if you have any questions.