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D USB Rechargeable Smart Batteries

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Consistent 1.5V and 3.25 hour charging time are game changing. Stop buying single-use batteries and get a modern solution. Designed for performance convenience and reliability, our D batteries will help you reduce waste and save money and time.

Battery icon with lightning bolt
Fast Charging Lithium Battery
1000+ Charge Cycles 
USB plug icon
Convenient USB Charge Port
Just plug any USB-C or micro USB cable or use the included cable to charge four batteries at once.
Battery icon with light bulb
Built-In LED Charging Indicator
Paleblue Batteries let you know when they are fully charged.
Battery icon with shield On-Board Smart Technology Provides Safe Charging
No more batteries ruining expensive electronic devices!


Charge anywhere with USB

Charge up to two batteries at once with the included cable

Industry-leading 3.5 hour charge time.

With our advanced lithium rechargeable technology, Paleblue D batteries charge up to 5x faster than conventional rechargeable batteries. 

Never worry about leaking batteries again.

Our modern lithium ion chemistry works just like the battery in your phone or laptop so you never have to deal with leaking batteries.

Customer Reviews

Based on 16 reviews
john giglio
Great Batteries

Easy to charge...

Peter B
D Cell Batteries Good So Far

In general I like the D Cell batteries. They are easy to recharge and pretty convenient.
Some things could be improved.
1. The amount of time they work in my shower radio is very short compared to regular alkaline D Cells, Way less than 1/2 the time. I have to always watch for the low battery signal on th radio so that I can get them recharged right away otherwise it will just not turn on the next time, whereas regular D Cell will work for a while if I turn the volume down.
2. The little pop-up for the charging connections seems kind of cheap. It would be nice if they were just built in like the AA cells.

Jeff Earl
Hot Wheels Heaven!

My kids have been getting a lot of use out of the D batteries with the Hot Wheels tracks! Now they can play as long as they want!

Carlo Facchino
Incredible!! Every ROWER needs to get these

Replace the D Batteries on your rowing machine now with these. They last longer and you'll never have to dispose of those bulky single use D Batteries again.

Michael Muldoon
Great Big Power with lots of options

I’ve been searching for a D battery that could power my battery operated motion lights. The Pale Blue D batteries were perfect. The ability to charge via micro USB or USB C was the perfect fit. An added bonus was the lighter form factor of the lithium battery vs. standard single use batteries. They are the last D batteries I’ll need to buy for sure.

Charged For Life

Limited Lifetime Warranty

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