BONAI Rechargeable D Batteries, 10,000mAh High Capacity 1.2V Ni-MH Battery Cell, Long-Lasting Power for Baby Swings, Flashlights & Toys, Pre-Charged & Low Self-Discharge (Size D, 4 Pack)

Customers report mixed experiences with these rechargeable batteries: while some say they last all week and work well in flashlights, others mention they only get a 50% charge and stop working after three months. Moreover, opinions on value are divided, with some finding them well worth the money while others consider them too pricey.