HZ801350 3.7V 500mAh Lithium Polymer Pouch Battery for Pet Tracker & Small Smart Devices Product Overview This reliable lithium polymer battery delivers stable 3.7V power for pet trackers and compact consumer gadgets. It solves unstable power shutdown issues for small-size electronics. Customization and sample testing are supported for your project needs. Technical Specifications Item Details Model HZ801350 Cell Type Lithium polymer battery Dimension 8±0.2 × 13±0.5 × 50±2.5