Panasonic BR-1/2A 鋰電池

Panasonic BR-1/2A 鋰電池

從淘寶買回來的二手訊號產生器，可能是年代久遠的產物，機內的 Backup 電池已經沒有電了，電池牌子是 Panasonic，電量是沒有了 (約0.06V)，但沒有流出電池液，但這種型號的電池好像以經停產，跟據電池日期編碼估計是 1983年生產，找了很多地方都沒有這種的電池！現在只好找替代品了，搜尋過程中才知道電池品種非常多！

品牌：Panasonic

型號：BR-1/2

形狀：Cylindrical Type

電池材料：Lithium Battery

電池電壓：3V

尺寸：17.0mm x 23.0mm

日期編碼：83-09 (估計是 1983年生產)

Panasonic BR-1/2A 電池直徑約 16.82mm (規格：17mm)

Panasonic BR-1/2A電池長度約 22.22mm (規格：23mm)

鋰圓柱型電池 (Lithium Ion Primary Cylindrical Type BR)

Type	Nominal Voltage (V)	Nominal Capacity (mAh)	Diameter (mm)	Height (mm)	Weight (g)	Continuous Drain (mA)
BR-C	3	5000	26.0	50.5	42.0	5.0
BR-A	3	1800	17.0	45.5	18.0	2.5
BR-AA	3	2500	14.5	50.5	15.0	2.5
BR-1/2A	3	650	17.0	23.0	?	?
BR-1/2AA	3	1000	14.5	25.5	8.0	2.5
BR-2/3A	3	1200	17.0	33.5	13.5	2.5
BR-AG	3	2200	17.0	45.5	18.0	2.5
BR-2/3AG	3	1450	17.0	33.5	13.5	2.5
* Nominal capacity is based on standard drain and cutoff voltage down to 2.0V at 20ºC (68ºF)

鋰圓柱型電池 (Lithium Ion Primary Cylindrical Type CR)

Type	Nominal Voltage (V)	Nominal Capacity (mAh)	Diameter (mm)	Height (mm)	Weight (g)
CR-AG	3	2400	17.0	45.5	22.0
CR-1/2AA	3	650	14.5	25.0	11.0
CR-2/3AZ	3	1600	17.0	33.5	17.0
CR123A	3	1550	17.0	34.2	17.0
CR14250	3	650	14.5	25.0	11.0
CR2	3	850	15.6	27.0	11.0
2CR5	6	1400	17.0	34.0	38.0
CR-P2	6	1400	19.5	35.0	37.0
CR-V3P	3	3300	29.0	14.5	39.0

Cell Size (A & AA Types)

Cell Size	Diameter (mm)	Height (mm)	Cell Size	Diameter (mm)	Height (mm)
A	17.0	50.0	AA	14.2	50.0
1/2A	17.0	25.0	1/2AA	14.2	30.0
1/3A	17.0	21.0	1/3AA	14.2	17.5
2/3A	17.0	28.5	2/3A	14.2	28.7
4/3A	17.0	67.0	4/3AA	14.2	65.2
4/5A	17.0	43.0	4/5AA	14.2	43.0
L-A	17.0	67.0	5/4AA	14.2	64.5
			7/5AA	14.2	70.0
			L-AA	14.2	65.0

Cell Size (AAA & AAAA Types)

Cell Size	Diameter (mm)	Height (mm)	Cell Size	Diameter (mm)	Height (mm)
AAA	10.5	44.5	AAAA	8.4	40.2
1/2AAA	10.5	22.0	4/3AAAA	8.4	67.0
1/3AAA	10.5	16.0
1/4AAA	10.5	14.0
2/3AAA	10.5	30.0
3/2AAA	10.5	67.0
3/4AAA	10.5	39.5
4/3AAA	10.5	67.0
4/5AAA	10.5	37.0
5/3AAA	10.5	67.0
7/3AAA	10.5	80.0
7/4AAA	10.5	76.0
7/5AAA	10.5	66.5