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Check the battery compartment or device manual for the exact size, voltage and chemistry. Our Battery Finder helps narrow the catalogue, but your device instructions always come first.

No. Only recharge batteries explicitly labelled rechargeable, using a compatible charger. Never charge disposable alkaline or lithium coin batteries.

Use a complete set of new batteries of the same type and brand. Do not mix used and new batteries or different chemistries.

Visit Where to Buy for purchase-channel information. The client lists Shopee, Lazada and selected 99 Speedmart stores. Final store links and participating locations are awaiting confirmation.

Include the product name, batch code, a description of the issue, and clear photos of the packaging and receipt. Do not upload payment-card details.

Store in a cool, dry place, away from children and metal objects. Follow packaging instructions and your local collection service’s requirements for disposal. Keep coin cells out of children’s reach.