Li-1700
  1700 mah Li-Ion rechargeable battery packs
made with UR 18500 cells.
Each 4 x cell pack is fitted with a 2 mm thick protection IC and is available in three configurations.

 
 
SPECIFICATIONS
BRICK 4 Square x 1 long 36 mm x 36 mm x 50 mm
FLAT-4 1 Thick x 4 Wide x 1 Long 18 mm x 72 mm x 50 mm
TWIN-STICK 1 Thick x 2 Wide x 2 Long 18 mm x 36 mm x 100 mm
CLIMAX 1 Thick x 2 + 2 wide x 1 Long 18 mm x 2 x 36 mm x 50 mm