For a battery that will keep your Samsung camcorder running for hours, buy the SBLSM160 replacement battery from Synergy.
This SBLSM160 replacement/backup battery was designed for the long haul - for those days when you need your camera for more than just an hour or two. It's lithium-ion, which means it can be recharged over and over while sustaining no memory effects. And its impressive 2000 mAh power capacity will keep your camcorder in business longer.
It is also compatible with many other Samsung chargers and camcorders. To see a full list for compatibility, consult your camera user manual.