YDL 556580MN50 is a 3.7V 5000mAh semi-solid lithium polymer battery with finished dimensions of 5.5x65x82mm, including the protection board. Approximate weight is 82g. It includes a built-in PCM, 50mm 26 AWG red/black leads, and a JST PH2.0 (PHR-2) connector.
Minimum order quantity: 20 pcs.
Typical applications
Designed for long-runtime portable electronics and low-rate applications.
- Portable monitoring equipment
- Handheld terminals
- Smart instruments and backup power
Custom options
Lead length and connector can be changed. Capacity is fixed by the cell size; share the available space for alternatives.
Safety notes
Red is positive and black is negative. Do not reverse polarity. Use a CC/CV LiPo charger with a 4.2V maximum charge voltage. Do not puncture, crush, short-circuit, expose to flame, or use for high-discharge applications.
Actual cell photo

Actual bare cell shown before the PCM, wires and connector are fitted. Printed markings may vary by production batch.