Does using wall plug exclusively ruin the battery null

My 9O yr old mother uses this device without being plugged in until the rechargeable batteries run low then plugs it in to recharge. I’m assuming it’s based on a phone principle. Never run battery down, shortens it’s life.

“Does using wall plug exclusively ruin the battery”

Asked by Auntsue 5 years ago

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Sylvania - 13.3 Portable DVD Player - Black-Front_Standard

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My 9O yr old mother uses this device without being plugged in until the rechargeable batteries run low then plugs it in to recharge. I’m assuming it’s based on a phone principle. Never run battery down, shortens it’s life.
Answered by MeMe 5 years ago
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