/batterybox-lithiumion

A light-weight 3.7V battery box with a dimmable 1-2W LED lamp and 1A USB fast charging support for cell phones.

OtherNOASSERTION

3.7V Lithium Ion Battery Box Prototype

Electrial Engineering Final Year Project Deliverable Charith Amarasinghe ca508@ic.ac.uk

3.7V Li-Ion Battery Box Prototype

Features

  • 1SxP Lithium Ion Battery Configuration (~1A nominal charge current)
  • Li-Ion Fuel Gauge
  • 2x 5V/1A USB outputs with short-circuit and overcurrent protection
  • Authenticated charge support via MicroUSB
  • Charge support from DC input (compatible with small PV panels)
  • Constant Current LED driver (1-2W dimmable)
  • Additional UART support (via Molex PicoBlade connectors) for datalogging applications
  • 2x User Control Buttons
  • LED indicators for low battery, USB fault and charge status