This high-capacity lithium-ion rechargeable battery is a replacement for the Sony NP-BY1 Battery . Dynamic Power batteries feature lithium-ion technology, which ensures maximum battery life and maximum power. Also, lithium batteries are lightweight and can be charged or discharged at any time without developing so called “memory effect”, so they never lose their ability to hold a full charge.
East Coast Photo's policy is to provide our customers with superior customer service. All of our products carry a 100% satisfaction guarantee. If, for any reason, you're not completely satisfied with your purchase, please return the product(s) to us within 30 days for refund or exchange.