[100% Guarantee] BERLS offers a comprehensive 24-month after-sales warranty service, ensuring your satisfaction. We also provide hassle-free returns and refunds within 30 days. If you have any inquiries, feel free to reach out to us via mail. Our dedicated customer service team is available 24/7 to promptly address any issues you may encounter. [Warm Prompt] Not applicable for Philips MG5730, MG5720, If you need a suitable charger, you can contact us by email. [Smart Light Reminder] Smart LED Light, it will show a green light after charging. [Universal Compatibility] for Philips electric razor S5380, S5420, S5530, BT5502/13, BT9810/13, BT5515/13, BT3210/41, BT5501, BT5210/42, S3212, S3233/52, S3333/54, S1332/41, S5466/18, S5466/18, S5588/30, S1332/41, S7788/55 BG7025/13, MG5750/49, MG7790, MG7720, MG7710, QP6651, QP6650, QP6520, QP6510, QP6620, QP6550, QP6530 Beard Trimmer( Before buying, please confirm that your shaver voltage is 15V. If your shaver voltage is 5V, it is not compatible!). [Perfect Compatibility] Perfect Substitute the Original HQ8505 Charger, the charging speed is not lower than the original charger, it is the best choice for replacement.