Rechargeable Lithium D Batteries with 4 in 1 USB-C Charging Cable 1 5V D Size Cell Battery 5600mWh

I've used lithium rechargeable batteries for nearly 10 years now and over time, they just keep improving. However, if anyone thinks that this battery chemistry (vs the alkaline brothers) are comparable, you'd be sorely mistaken. These lithium versions simply do not hold the same saturation of charge, or duration of discharge as an alkaline battery. However, you can't recharge an alkaline battery, so the point here is not achieving comparable battery capacity, it's about the ability to charge it right back up, for pennies, rather than having to buy and replace the entire battery. Perhaps this saturation of charge will become a moot point in the coming years, presuming improved battery chemistry are developed but until then, this is what you get and for us, it's a welcome trade off. I'd much rather pull out a battery like this and recharge it in an hour and pop it back in, so my child can go play with their old-school battery-operated toy, than continue to waste our money replacing alkaline batteries, even if they do last a bit longer initially. Anyhow, these D batteries have already paid for themselves, in our household and will continue to make us money, so to speak, for years to come, as they can be recharged an incredible amount of time before even beginning to diminish output. This is the same reason that I build li-ion 18650 battery packs using recycled batteries from scooters, laptops, etc, as they almost always hardly lose capacity, despite some of them being more than 10 years old before I get my hands on them. As internal resistance increases with time and use, the storage and discharge capacity will dwindle slightly but the batteries themselves, will continue to serve me well for many years to come. It's a beautiful thing, imo. Anyhow, thus far, I highly recommend these batteries. If however, over time, if they ever fail or become problematic, I will certainly update this review accordingly. Until then, enjoy! Read more

These rechargeable D batteries work very well and hold their charge for a long time. They recharge quickly and provide strong, consistent power. Perfect for devices that need reliable energy. Great quality and definitely worth the purchase. Read more

I purchased these batteries with the hope of reviving an automated trash can, which relies on battery power for its sensor and motor functions. Initially, the batteries seemed to perform adequately, fitting the specific requirements of my device. The installation process was straightforward, and for a brief moment, it appeared to solve the issue of the malfunctioning sensor that failed to open the trash can lid upon sensing motion. However, this solution was short-lived. Merely two hours after installation, I was met with the unmistakable scent of burnt electronics, leading to the unfortunate demise of the trash can. This incident left me questioning the root cause of the failure: was it due to the batteries delivering an excess of power, or was the trash can itself of poor quality? Given the circumstances, I am inclined to attribute the malfunction to the quality of the trash can rather than the batteries. Despite this setback, I plan to retain the batteries for future use in other devices. Their initial performance was satisfactory, and they may yet prove to be of value in applications less demanding than my ill-fated trash can. Read more

Very easy to use and holds a charge. Environmentally responsible batteries. Read more

D batteries are expensive. I have other rechargable batteries and wanted to try these. The motion sensor lights I use require 4 D batteries. This rechargeable station and the batteries are working out well. I bought a second set for another item using D batteries. I highly recommend this item. Read more

Batteries barely last 10-12 hours when used in a small fan. They are lightweight. They are not worth what we paid because the have such a short time that they are usable. Poor quality. Would not buy again. Read more

These seem to work very well havent had any issues Read more

handy wont have to buy batteries all the time Read more