Li-850
  850 mah Li-Ion rechargeable battery packs
made with UR 14500 cells.
Each 4 x cell pack is fitted a 2mm thick protection IC and is available in three configurations.
 
 
 
 
SPECIFICATIONS
BRICK 4 Square x 1 long 28 mm x 28 mm x 50 mm
FLAT-4 1 Thick x 4 Wide x 1 Long 14 mm x 56 mm x 50 mm
TWIN-STICK 1 Thick x 2 Wide x 2 Long 14 mm x 28 mm x 100 mm