High Capacity Li-ion Cell

  • 28987: High Capacity Li-ion Cell
  • High Capacity Li-ion Cell Back View
In Stock: 73
Product ID 28987


This is a rechargable Li-ion Cell in an "18650" form factor.  Made by Tenergy, this cell is rated at 3.7 V and 2600 mAh.  This is a "protected" type of lithium cell, with a built in PCB. Pair these with our Small Robot Pack-Charger to provide long-lasting, consistent power for your Boe-Bot, Shield-Bot or ActivityBot robot.

Key Features:

  • 3.7 volt Li-ion 18650 cell
  • Built-in protection circuit prevents voltages outside of 2.5–4.25 V 
  • Fits our Li-ion Small Robot Pack-Charger (28988) which mounts within our small robot chasssis

Note: The US Postal Service will no longer ship items that contain lithium batteries to international destinations, including APO and FPO addresses.



  • Nominal Voltage output: 3.7 VDC (4.25 max)
  • Nominal Capacity: 2600 mAh
  • Weight: 50 g
  • Dimensions:  18.7 x 68 mm (D x H)
  • Charging Time:  1 to 6 hours, depending upon the discharge level and the charger used


Additional Resources