Re-chargeable Lithium battery

"This compact Lithium rechargeable battery is part of the Harmony eXLhoist range, a wireless remote control system for hoisting applications." "It is dedicated to wireless Harmony eXLhoist remote control stations." "Its dimensions are 83mm x 46mm (3.268in. x 1.811in.) and it weighs 50g." "A dedicated multi-charger power supply and a battery table charger can be purchased separately." "The Harmony eXLhoist range provides complete innovative crane operator control solutions to help improve machine and hoist operator efficiency."