Patent ID: 7541774

Claim:
A charger capable of providing voltage and current to a rechargeable battery pack, comprising: a. at least one pocket in the charger for accommodating the rechargeable battery pack, the pocket comprising: i. a pocket bottom; ii. at least opposing parallel sidewalls; iii. a pair of non-conductive battery engagement rails accommodating the battery pack, each battery engagement rail connected to a portion of the sidewall, the battery engagement rails connected to the sidewalls in a fixed, non-retractable manner parallel with the opposing sidewall and extending obliquely outward from the sidewalls such that a plane containing a centerline of the battery engagement rail is oblique to a plane containing the sidewall to which the battery engagement rail is connected where the battery engagement rail is connected the sidewall; and iv. electrical contacts and b. electrical circuitry in the charger coupled to the electrical contacts for charging the rechargeable battery pack.