Check the listing for details. Battery for a GrivaMax 272 Diode Laser Helmet HI-CAPACITY. Condition: New. Listed at 45.00 USD. REPLACEMENT BATTERY FITS THE GRIVAMAX 272 LASERCAP BATTERY MODULE OR ILLUMIFLOW BATTERY PACK MODUE. MODULE NOT INCLUDED. THE BATTERY IS BRAND NEW, 6800MAH. THIS IS A HI-CAPACITY BATTERY THAT WILL LAST ABOUT 3 HOURS ON A CHARGE. HIGHER CAPACITY THAN THE 5000MAH BATTERY SUPPLIED IN THE BATTERY MODULE. THIS BATTERY ALSO FITS THE COSMO 272 DIODE LASERCAP BATTERY PACK. THE BATTERY PACK COVER SIMPLY POPS OFF AND TAKES LESS THAN ONE MINUTE TO REPLACE. You can use a flat head scredriver to separate the case and work around all sides to pop off the case. MODULE NOT INCLUDED. I AM JUST SHOWING A PICTURE OF IT TO MAKE SURE YOU ORDER THE CORRECT PRODUCT. lasercap battery 272 diode, 272 diode lasercap battery pack, battery pack for 272 lasercap, illumiflow battery pack, kierr battery pack Battery for a Cosmo 272 Diode Laser Helmet Battery for a Illumiflow 272 Diode Laser Helmet