This Li-Ion battery pack is perfect for all of your hobby needs. The pack comes with a built in protection circuit to prevent the cell from overcharging/discharging. The pack has bare leads, so you can terminate the pack to any connector that meets your needs. For best performance and safe charging, we recommend using a Smart Li-Ion battery charger (see Accessories).

Features and Benefits:

• High quality 3.7V Li-ion rechargeable battery pack
• Made of a single 2200mAh cylindrical 18650 cell with PCB for full protection
• Lightweight, higher energy density than other rechargeable batteries
• No memory effect
• Low self-discharge range, lasts longer than a Ni-MH battery
• Built-in IC chip to prevent battery pack from overcharge and over-discharge; prolongs battery life
• Perfect for building 3.7V battery pack for bike lighting, RC toy (cars and airplanes), robots, cameras, or uses as a DVD external battery
• 3.5A Current limited round PCB (built-in)
• 4.25" 24Awg silicone wires

Technical Specifications:

• Capacity: 2200mAh
• Voltage: 3.7V
• Dimensions (Height x Diameter): 2.71" x 0.75" (69 x 19 mm)
• Weight: 1.9 oz (54 g)
• Max. charge current: 6A
• Discharge current: 3.5A
• Cut-off voltage: Overcharge protection 4.35V, over-discharge protection 2.4V