Need info 36V bottle battery installation

Batteries, Chargers, and Battery Management Systems.
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jcool3   100 mW

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Joined: Jun 18 2017 12:15pm
Location: san francisco

Need info 36V bottle battery installation

Post by jcool3 » Mar 10 2018 12:50pm

Aliexpress sells 36V bottle battery cases with cylindrical battery holders. Does not include batteries.
https://www.aliexpress.com/item/Electri ... 262.OwJJHK
Looking for instructions on putting 36v system together using the cylindrical cell holders. Not sure how many 18650 batteries I
would need to maek 10ah. Thanks
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999zip999   100 GW

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Re: Need info 36V bottle battery installation

Post by 999zip999 » Mar 10 2018 4:17pm

If 2,000 mah 5 cells. If 2,500 mah 4 cells in parallel. Buy new cells as laptop cell you may need 8 parallel as you power to push you. This pack needs a spot welder. Have you purchase this kit yet ?

jcool3   100 mW

100 mW
Posts: 38
Joined: Jun 18 2017 12:15pm
Location: san francisco

Re: Need info 36V bottle battery installation

Post by jcool3 » Mar 10 2018 4:27pm

999zip999 wrote:
Mar 10 2018 4:17pm
If 2,000 mah 5 cells. If 2,500 mah 4 cells in parallel. Buy new cells as laptop cell you may need 8 parallel as you power to push you. This pack needs a spot welder. Have you purchase this kit yet ?
Did not purchase anything yet. Looking for easy option for putting together 36V battery for an ebike.
So you need to spot weld the nickel strip onto the battery? I don't have spot welder so this may not work for me.

09Klr650   10 mW

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Re: Need info 36V bottle battery installation

Post by 09Klr650 » Mar 10 2018 6:27pm

999zip999 wrote:
Mar 10 2018 4:17pm
If 2,000 mah 5 cells. If 2,500 mah 4 cells in parallel. Buy new cells as laptop cell you may need 8 parallel as you power to push you. This pack needs a spot welder. Have you purchase this kit yet ?
Are you sure the pack requires a spot welder? It almost appears that it is designed to just rely on the metal-to-metal contact (like a battery holder). Slightly scary. So it looks like it holds 14P, but how do they get enough in series for 36V? AT MOST I count 8 possible in series, probably 7?

jcool3   100 mW

100 mW
Posts: 38
Joined: Jun 18 2017 12:15pm
Location: san francisco

Re: Need info 36V bottle battery installation

Post by jcool3 » Mar 10 2018 6:54pm

09Klr650 wrote:
Mar 10 2018 6:27pm
999zip999 wrote:
Mar 10 2018 4:17pm
If 2,000 mah 5 cells. If 2,500 mah 4 cells in parallel. Buy new cells as laptop cell you may need 8 parallel as you power to push you. This pack needs a spot welder. Have you purchase this kit yet ?
N
Are you sure the pack requires a spot welder? It almost appears that it is designed to just rely on the metal-to-metal contact (like a battery holder). Slightly scary. So it looks like it holds 14P, but how do they get enough in series for 36V? AT MOST I count 8 possible in series, probably 7?
these cylindrical units stack on top of each other. Not sure how many units 4-5? to make 36V 10ah.
Yes , I thought metal-to-metal contact like a battery holder. So many unaswered
questions ... need instructions or info from someone who has experience with these units. Appreciate your input.

09Klr650   10 mW

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Location: Ohio

Re: Need info 36V bottle battery installation

Post by 09Klr650 » Mar 10 2018 7:01pm

jcool3 wrote:
Mar 10 2018 6:54pm
these cylindrical units stack on top of each other. Not sure how many units 4-5? to make 36V 10ah.
10S for 36V (10x3.6V nominal per cell).

Jon NCal   1 kW

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Re: Need info 36V bottle battery installation

Post by Jon NCal » Mar 10 2018 7:20pm

This def. needs spot welder.

999zip999   100 GW

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Joined: Jan 10 2010 1:40pm
Location: Dana Point So. Cal

Re: Need info 36V bottle battery installation

Post by 999zip999 » Mar 11 2018 12:42am

Be careful a lot of cheap and useless 36 volt batteries out there. The battery pack should be made with quality cells not just the name Panasonic or Samsung and never Tesla like cells. That's a red flag.

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