... headsets, digital cameras,, Portable DVD, MP3, MP4, PDAs, Major uses: Cell phones, laptops, Bluetooth headsets, digital cameras, digital cameras, Portable DVD ... , and pollution-free, no memory effect. 4, Self-discharge of small, fast charge and discharge. N0 Model T ( +0 –0.4 )/mm ... 1800 ≤60 3.7 38 Aluminum Li ion rechargeable Battery Cell