Subject: [Shop-talk] Rebuilding a Battery Pack vs Buying New Generic

From: Jim Stone <[email-masked]>
Date: Tue, 24 Jun 2025 14:30:32 -0400

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I have an old Bosch 24v miter saw that I would like to be able to =
continue using for quick, non critical cuts.  The only problem is that =
the NiCad batteries won=E2=80=99t hold a charge long enough to be =
useful. And, I don=E2=80=99t think there is a way to utilize other, e.g. =
Milwaukee M18, batteries in a 24v system.  Besides, there don=E2=80=99t =
appear to be any adaptors available.

So, that leaves me with two choices: rebuild my current batteries or buy =
new ones on Amazon.  I=E2=80=99ve taken one of the battery packs apart =
and can see that it just uses standard Sub C 1.2v batteries - 20 of =
them!  I=E2=80=99ve never rebuilt battery packs but it looks pretty =
straight forward; just time consuming.  20 Sub C batteries would run me =
about $40-50.  (Having it done professionally looks to cost at least =
twice that.)  Or, I could just buy a Chinese-made replacement pack for =
just a few bucks more.  =
(https://www.amazon.com/Exmate-Replacement-Battery-Compatible-BH-2424/dp/B=
073Z9QHXS/ref=3Dsr_1_17). =20

I=E2=80=99m sure the replacement batteries are also made in China, but =
is there any reason to assume that rebuilding the packs myself will =
result in a better, longer lasting battery?  Any advice from those who =
have done this before will be much appreciated.

Thanks,
Jim=

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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"overflow-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;">I have an old =
Bosch 24v miter saw that I would like to be able to continue using for =
quick, non critical cuts. &nbsp;The only problem is that the NiCad =
batteries won=E2=80=99t hold a charge long enough to be useful. And, I =
don=E2=80=99t think there is a way to utilize other, e.g. Milwaukee M18, =
batteries in a 24v system. &nbsp;Besides, there don=E2=80=99t appear to =
be any adaptors available.<div><br></div><div>So, that leaves me with =
two choices: rebuild my current batteries or buy new ones on Amazon. =
&nbsp;I=E2=80=99ve taken one of the battery packs apart and can see that =
it just uses standard Sub C 1.2v batteries - 20 of them! &nbsp;I=E2=80=99v=
e never rebuilt battery packs but it looks pretty straight forward; just =
time consuming. &nbsp;20 Sub C batteries would run me about $40-50. =
&nbsp;(Having it done professionally looks to cost at least twice that.) =
&nbsp;Or, I could just buy a Chinese-made replacement pack for just a =
few bucks more. &nbsp;(<a =
href=3D"https://www.amazon.com/Exmate-Replacement-Battery-Compatible-BH-24=
24/dp/B073Z9QHXS/ref=3Dsr_1_17">https://www.amazon.com/Exmate-Replacement-=
Battery-Compatible-BH-2424/dp/B073Z9QHXS/ref=3Dsr_1_17</a>). =
&nbsp;</div><div><br></div><div>I=E2=80=99m sure the replacement =
batteries are also made in China, but is there any reason to assume that =
rebuilding the packs myself will result in a better, longer lasting =
battery? &nbsp;Any advice from those who have done this before will be =
much =
appreciated.</div><div><br></div><div>Thanks,</div><div>Jim</div></body></=
html>=

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