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What’s the difference between the eneloop and eneloop pro AAA batteries?

The eneloop and eneloop pro are two of the best AAA rechargeable batteries currently available.

You can check out this comparison guide at Seeking Tech to see which of these Panasonic products best fit your needs.

Quick Summary

When compared to the Panasonic eneloop AAA battery, the Panasonic eneloop pro AAA battery contains 18.75% more maximum capacity.

So, if you want to get the most usage from a single charge, then the pro version is the best out of these two options.

On the other hand, the eneloop AAA battery comes with a longer storage life in addition to being able to recharge around 320% more time when compared to the eneloop pro AAA.

If you don’t mind recharging the batteries a little bit more often, then the regular eneloop AAA battery offers a better value over the long run as you don’t have to rebuy it as often as the pro version.

You can also see how the AA versions of the eneloop and eneloop pro compare against each other with this guide.

eneloop AAA batteries vs. eneloop pro AAA batteries Comparison Chart

You can find our comparison table between the eneloop AAA and eneloop pro AAA below.

 Panasonic eneloop AAA batteryPanasonic eneloop pro AAA battery
Model NumberBK-4MCCEBK-4HCDE
Height44.5 mm44.5 mm
Diameter10.5 mm10.5 mm
Weight11.6 g12.5 g
ChemistryLSD Ni-MHLSD Ni-MH
Voltage1.2 V1.2 V
Capacity750 mAh to 800 mAh930 mAh to 950 mAh
Storage90% charge for up to 1 year

70% charge for up to 10 years
85% charge for up to 1 year
Charging CyclesUp to 2100 timesUp to 500 times
Pre-Charged with Solar Energy?YesYes
Recyclable?YesYes
Lowest Operating Temperature-20°C-20°C
Charging Temperature Range0°C to 40°C0°C to 40°C
Discharging Temperature Range5°C to 50°C5°C to 50°C
PricingCheck price on Amazon.Check price on Amazon.

Model Number

You can also check out the model numbers attached to these Panasonic batteries below:

  • eneloop AAA: BK-4MCCE
  • eneloop pro AAA: BK-4HCDE

Height

When it comes to height, a single battery from both the normal and pro versions of the eneloop AAA brand measure at 44.5 mm.

Diameter

The diameter for both batteries are also the same at 10.5 mm.

Weight

When it comes to weight, the pro version weighs a 0.9 gram more than the regular version.

You can find the weight specifications below:

  • eneloop AAA: 11.6 g
  • eneloop pro AAA: 12.5 g

Chemistry

As for the chemistry, the eneloop and eneloop pro AAA batteries contain LSD Ni-MH.

Voltage

The voltages are also identical for both products at 1.2 V.

Capacity

The pro version of the eneloop AAA has a bigger capacity than the regular version.

When you are comparing the maximum capacity, the eneloop pro AAA battery can hold 18.75% more at full charge when compared to the eneloop AAA battery. As a result, you won’t have to recharge the pro version as often.

You can find the capacity for both Panasonic batteries below:

  • eneloop AAA: 750 mAh to 800 mAh
  • eneloop pro AAA: 930 mAh to 950 mAh

Storage Life

On the other hand, the eneloop AAA battery has a better storage life than the eneloop pro AAA as the regular version is less prone to discharges when not in use.

You can check out the storage life specs for both products below:

  • eneloop AAA: 90% charge for up to 1 year and 70% charge for up to 10 years
  • eneloop pro AAA: 85% charge for up to 1 year

Charging Cycles

You should also be able to recharge the regular version of the eneloop AAA battery a lot more times, or 320% more, than the pro version.

According to Panasonic, the maximum number of recharges for the eneloop AAA is 1600 more than the eneloop pro AAA.

You can find the charging cycle stats below:

  • eneloop AAA: Up to 2100 times
  • eneloop pro AAA: Up to 500 times

Pre-Charged with Solar Energy

These two batteries come pre-charged using solar enegry.

While you should be able to uses them right away, Panasonic recommends charging the eneloop AAA and eneloop pro AAA first. Otherwise, you may shorten the lifespan of the two batteries faster than usual.

Recyclable

The eneloop AAA and eneloop pro AAA are both recyclable as both contain a maximum of 90% recyclable materials.

To recycle your batteries, please refer to your local guidelines.

Lowest Operating Temperature

When it comes to operating temperatures, both of these rechargeable Panasonic batteries can withstand cold temperatures as low as -20°C.

Charging Temperature Range

The eneloop AAA and eneloop pro AAA have the same recommended charging temperature range, which is from 0°C to 40°C.

Discharging Temperature Range

Both of these batteries also have the same recommended discharging temperature range, which is from 5°C to 50°C.

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