Canon PowerShot SX70 HS Digital Camera - Manual (Page 218)

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Use of genuine Canon accessories is recommended.
This product is designed to achieve excellent performance when used with
genuine Canon accessories.
Canon shall not be liable for any damage to this product and/or accidents
such as fire, etc., caused by the malfunction of non-genuine Canon
accessories (e.g., a leakage and/or explosion of a battery pack). Please
note that any repairs your Canon product may require as a result of such
malfunction are not covered under warranty and will incur a fee.
Enjoy the camera in more ways with optional Canon accessories and other
compatible accessories sold separately.
Accessories
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