Characteristics of lithium-ion (li-ion) batteries include:

• They generally weigh less than comparably sized rechargeable batteries.
• They hold a charge well. Li-ion batteries typically lose no more than 5% of their charge per month (Ni-MH batteries typically lose up to 20% per month).
• They can be fully re-charged approximately 300 times.
• Frequent charging does not reduce battery performance. Li-ion batteries exhibit no "charge memory" as some Ni-Cd and Ni-MH rechargeable batteries do, and they will retain the same charge capacity for the life-span of the battery.

NOTE: Always use a battery charger specifically designed for li-ion batteries, or charge them in the camera.