Comparing the Nikon EN-EL15 vs EN-EL15a vs EN-EL15b

We get a lot of questions about the Nikon EN-EL15b, the update to Nikon's standard DSLR battery. So, what’s the difference between this updated battery and the older EN-EL15a and EN-EL15 versions?

The newer, and slightly modified EN-EL15b battery was released to coincide with the launch of Nikon’s new mirrorless Z6 and Z7 cameras in the latter half of 2018. Nikon explains that all three Rechargeable Li-ion batteries are cross-compatible; however, electrical performance is improved with later versions. Using an earlier battery in a camera designed for use with a later battery will result in fewer pictures taken with a single charge.

Nikon en-el15b vs. en-el15a vs. en-el15

One major difference between the Nikon EN-EL15b and its older counterparts is that the EN-EL15b can be charged in the Z series cameras via a USB connection while the older EN-EL15a and EN-EL15 cannot. All three batteries can be charged with the MH-25 or MH-25a battery charger.

Although the EN-EL15b was made for the Nikon mirrorless Z6 and Z7 cameras, it is still compatible with selected DSLR cameras listed below:

  • Z7 
  • Z6 
  • D850 
  • D810 
  • D810A 
  • D800E 
  • D800 
  • D750 
  • D610 
  • D500 
  • D7500 
  • D7200 
  • D7100 
  • D7000 

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