THIS PAST WEEKEND ONE OF MY TWO FLATTOP ULTRAFIRES BROKE THE PCB TO BATT CONNECTION. SO HERE I AM WITH JUST ONE BATT FOR MY EPOWER !!!OMG!!!. BUT LET ME TELL YOU THIS LAST BATT IS A TROOPER WHEN I AWOKE ON SUNDAY I PUT IT IN AFTER CHARGING ALL NIGHT AT 9:00am THIS LITTLE TROOPER LASTED UNTIL 1:00am MONDAY COUNT THEM FOLKS THAT IS 16 HOURS ON ONE CHARGE. I KNOW THIS WAS A FLUKE TO BEAT ALL FLUKES BUT JUST WOW!!!! REMEMBER TELL SOMEBODY WHAT WE DO &WHY.... {:-{)