Patent ID: 7772801

Claim:
A electronic charging system, the system comprising, comprising: a charging apparatus; a battery unit; wherein the battery unit comprises a connection apparatus connecting the battery unit to the charging apparatus when charging the battery unit; wherein the charging apparatus comprises a head member selectively engaged with the battery unit electrically connecting the battery unit to the battery charging apparatus during charging of the battery unit and disconnecting the battery unit from the battery charging apparatus when not charging the battery unit; wherein the battery unit comprises a unit housing, the unit housing comprising spaced apart curved fingers which selectively receive the head member of the charging apparatus and bias electrical contacts of the head member of the charging apparatus into engagement with electrical contacts on the battery unit electrically connecting the battery unit to the battery charging apparatus during charging of the battery unit; wherein the charging apparatus comprises a pole or rod coupled to the head member of the charging apparatus; and a power control circuit coupled to the battery unit, the power control circuit configured to provide electrical current from the battery unit to an electrical load.