Features and Benefits

• High quality 3.7 V Li-Ion rechargeable battery pack
• Made of 3 2200mAh cylindrical 18650 cells with PCB and poly switch for full protection
• Light weight and higher energy density than any rechargeable battery
• No memory effect and rechargeable
• Longer storage life than NiMH battery
• You can build 7.4V/6.6Ah Li-Ion battery pack by connecting two or three PCB ready battery module in parallel . 
• Built-in IC chip will prevent battery pack from over charge and over discharge and prolongs battery life
• Perfect for building 3.7V battery pack for bike lighting, RC toy (cars and airplanes), robots, cameras, DVD external battery.
• Recommend our Smart  Li-Ion Battery  Charger to charge the battery pack  (With charging volatge set at 4.2V on the charger)

Technical Specs

Cautions

• CAUTION: when working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mis-handled.
  
• User should have enough knowledge on Li-Ion rechargeable batteries in charging, discharging and assembly before use.
  
• We are not responsible for any damage caused by misuse or mishandling of these Li-Ion batteries
  
• We strongly suggest that you use our smart Li-Ion battery charger to recharge the battery pack  
  
• Never use conventional DC adapter to charge the battery module) We are NOT responsible for any damage that is caused by the misuse of the Li-Ion Battery
  
• Please don't make parallel connection with more than  two modules to avoid uneven charge.