Will a 40-Year-Old Rechargeable Battery Still Charge? Shelf Life and Longevity Explained
A 40-year-old rechargeable battery may still charge, but it likely has limited usable charge. Rechargeable Lithium-ion (Li-Ion) batteries typically last 2-3 years and self-discharge over time. Proper storage conditions can help extend shelf life. If stored at around 40% charge in a cool place, they may last longer. The longevity of a rechargeable battery depends … Read more