[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.