我什么电池都不扔

sealed led acid battery:

sealed led acid battery (top) and lead acid battery (bottom):

lithium ion battery (the third one from the top, in the second line there are 30 x 18650 for making a 36 V battery like that in the first line):

NiMH battery:

replaced 3 pieces of 1.2 V  NiCd battery with 2 pieces of 18650 lithium ion battery in this trimmer (bought for $3):

placed a label for battery specification on the trimmer:

battery charger and DC power supply:

 

 

 

所有跟帖： 

• 呵呵，知道你会来。1如何测电池健康程度(好坏搭一起影响效率)？2.铅酸电池寿命有限,如何更新？ -位酷哥- ♂ (0 bytes) () 11/18/2023 postreply 07:24:29

• Lead acid battery tester -xia23- ♂ (3700 bytes) () 11/18/2023 postreply 13:34:22