CS-PEZ502PX Battery – National 6538-1 6539-6 6540-1 6545-6 6546-6 6547-1 6550-20 EY3652 EY3652DA EY3652DR EY503B EY503BY 6538 1 6539 6 6540 1 6545 6 6546 6 6547 1 6550 20 EY9021 EY9021B EY903 EY903B… Replacement

CS-PEZ502PX Battery Replacement

Premium replacement battery for National 6538-1 6539-6 6540-1 6545-6 6546-6 6547-1 6550-20 EY3652 EY3652DA EY3652DR EY503B EY503BY 6538 1 6539 6 6540 1 6545 6 6546 6 6547 1 6550 20 EY9021 EY9021B EY903 EY903B EZ503 EZ902. 3000mAh 2.4V Ni-MH — engineered to original specifications and certified for safe transport.

Model No. CS-PEZ502PX
Fits National 6538-1 6539-6 6540-1 6545-6 6546-6 6547-1 6550-20 EY3652 EY3652DA EY3652DR EY503B EY503BY 6538 1 6539 6 6540 1 6545 6 6546 6 6547 1 6550 20 EY9021 EY9021B EY903 EY903B EZ503 EZ902
Capacity 3000mAh
Voltage 2.4V
Energy 7.2Wh
Chemistry Ni-MH
Dimensions 100.41 x 37.79 x 37.79mm
Weight 138g
OEM Part No. EZ902, EY9021, EY9021B, EY903

Compatible Devices

  • EZ502
  • EZ503
  • EZ581
  • EY3652
  • EY3652DA
  • EY3652DR
  • EY503B
  • EY503BY

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  • CS-MKE398PXAEG B12T BDSE 12T BDSE 12T Super Torque BEST 12BBPB BEST 12X BEST 12X Super BL Multi-volt-lamp BS2E 12T SB2E 12 SB2E 12 Super Torque 48-11-1900 48-11-1950 48-11-1960 48-11-1967 48-11-1970
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$28.99per unit · free US shipping
Buy Now — $28.99 Full Spec Sheet
  • Volume discounts from 10 pcs (up to 10% off)
  • UN 38.3 certified + MSDS/SDS provided
  • Free US shipping on every order
  • B2B invoicing & wholesale support

FAQ

Is this battery compatible with my device?

The CS-PEZ502PX is a replacement battery for National 6538-1 6539-6 6540-1 6545-6 6546-6 6547-1 6550-20 EY3652 EY3652DA EY3652DR EY503B EY503BY 6538 1 6539 6 6540 1 6545 6 6546 6 6547 1 6550 20 EY9021 EY9021B EY903 EY903B EZ503 EZ902. See the compatible device list above for verified fits. Match your original battery's model or OEM part number before ordering.

What certifications does this battery have?

All Estry batteries ship with UN 38.3 transport certification and MSDS/SDS documentation, required for compliant air and ground shipping.

Do you offer wholesale pricing?

Yes — volume discounts apply automatically: 5% off at 10+, 6% at 20+, 8% at 50+, and 10% at 100+ pieces. US shipping is free on every order.