Lithium Ion (LiPo) Cell 3.7v 750mAh, Rechargeable

This rechargeable lithium polymer cell is thin and light, and includes protection circuitry.*  It's polarized correctly for use with the Timeport and is the perfect size to power your portable projects. At 1.25" X 1.5", it fits between the Timeport spacer mounts and will power the unit for hours. The output ranges from 4.2V when completely charged to 3.7V SKU: HC93337 Additional Details The connector is a 2-pin JST jack.*The included protection circuitry protects the battery from over-charging or over-use. Discharge cuts out when the cell reaches 3.0V. It will also protect against output shorts. It is very important that you re-charge the cell only with a Lilon/LiPoly constant-voltage/constant-current smart charger at a rate of 500mA or less. The Heron Circuits Timeport, powered by either of the 6V or 9V AC/DC adapters sold on this site, is perfect for the job. Additional safety notes: Do not use a NiMH/NiCad/lead-acid charger to charge this cell. Do not short, bend, crush or puncture