Buy from Amazon : http://www.amazon.com/gp/product/B001UBE2YI?tag=wayofcats-20

Wasabi Power Battery for Sony NP-FH100 (4600mAh) and Sony DCR-DVD203 DCR-DVD205 DCR-DVD408

Rechargeable lithium-ion battery for Sony NP-FH100
Rated at 68V and 4600mAh for longer battery life
Premium Japanese cells for longer battery life with no memory effect
Fully compatible with the Sony camera and Sony charger
Includes battery with 3-year manufacturer warranty