Spare battery for FlashTrax
This (extra) FlashTrax Battery takes care of having additional rechargeable batteries on-hand while using your FlashTrax away from a power supply.
Smartdisk Spare battery for FlashTrax, Lithium-Ion (Li-Ion), 3.7 V
Smartdisk Spare battery for FlashTrax. Battery technology: Lithium-Ion (Li-Ion), Battery voltage: 3.7 V