US 11,966,521 B2
Battery-operated handheld device
Chang Sern Gwee, Singapore (SG); Wooi Liang Chin, Singapore (SG); and Jian Yao Lien, Singapore (SG)
Assigned to Razer (Asia-Pacific) Pte. Ltd., Singapore (SG)
Appl. No. 18/256,044
Filed by Razer (Asia-Pacific) Pte. Ltd., Singapore (SG)
PCT Filed Dec. 31, 2020, PCT No. PCT/SG2020/050801
§ 371(c)(1), (2) Date Jun. 5, 2023,
PCT Pub. No. WO2022/146229, PCT Pub. Date Jul. 7, 2022.
Prior Publication US 2024/0045516 A1, Feb. 8, 2024
Int. Cl. H01M 50/247 (2021.01); G06F 3/0354 (2013.01)
CPC G06F 3/03543 (2013.01) 20 Claims
OG exemplary drawing
 
1. A battery-operated handheld device comprising
a housing to enclose electrical components of the handheld device, the housing having a front region and a rear region, whereby the front region is directed away from a user and the rear region is directed towards the user when the handheld device is in use while being held in a hand of the user; and
a battery holder disposed within the housing, the battery holder comprising
a first battery slot sized to hold a first battery of a first battery size, and
a second battery slot alongside the first battery slot so as to be in a side-by-side arrangement with the first battery slot, the second battery slot sized to hold a second battery of a second battery size, the second battery size being different from the first battery size,
wherein the electrical components of the handheld device are powered by either the first battery of the first battery size inserted into the first battery slot of the battery holder or the second battery of the second battery size inserted into the second battery slot of the battery holder,
wherein the battery holder is disposed in a manner so as to serve as an adjustable weight distribution mechanism to shift a centre of gravity of the handheld device between a first predetermined centre of gravity associated with the first battery of the first battery size inserted into the first battery slot of the battery holder and a second predetermined centre of gravity associated with the second battery of the second battery size inserted into the second battery slot of the battery holder, wherein the second predetermined centre of gravity is rearward of the first predetermined centre of gravity with respect to the front region and the rear region of the housing.