General > General Technical Chat

Is there an off the shelf generic tool battery

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Simon:

--- Quote from: AVGresponding on March 08, 2024, 09:31:21 am ---Just make an 18650 pack? These are so easily available tagged or untagged, and also the BPC and charger boards, it shouldn't be too hard to build a pack to your specific needs.
12V 8Ah would be quite unusual these days, most higher power tool packs are higher voltage so they can be lower current.

--- End quote ---

I have one number for you: 38.3 with UN in front of it. UN 38.3 makes a lot of testing rules and no one will carry your batteries unless they are UN 38.3 certified, believe me we have been down this rabbit hole of investigation. Just shipping fully compliant batteries is something you can't just do. You need to gain a licence to ship batteries over 100Wh.

Simon:

--- Quote from: mikeselectricstuff on March 08, 2024, 10:00:36 am ---
--- Quote from: Simon on March 08, 2024, 09:23:59 am ---No we need to supply a battery. The customers won't be interested in sourcing a battery, they want it from us. We also don't want to be dealing with unknown battery setups when they call in with issues with the machine that are actually of their own making by using an incorrect battery.

--- End quote ---
So make it compatible with, say Makita, and supply a Makita battery, or re-branded clone with it.


--- End quote ---

Makita you say? like I said, traditional tool batteries ore deeply political within the group. Our parent company has a deal with one tool maker and the other tool maker is a sworn enemy and it just goes on so it's best to just avoid them. Tool batteries will also need the mating section designing and manufacturing which with our low volumes is not easy.

A plain shaped brick like RRC suggested above makes with the option to buy the battery terminals is a much easier option both to manufacture for and to quell the internal politics or concerns about licencing. I only design the stuff. I can't decide if using such and such companies battery is legal, that is not my job and those who have that responsibility have already said no.

mikeselectricstuff:
There are quite a few suppliers of standard and customizable approved packs, e.g.

https://steatite-batteries.co.uk/lithium-ion/
https://www.varta-ag.com/uk/industry/product-solutions/lithium-ion-battery-packs/cellpac-lite
https://tracerpower.com/products/lifepo4-batteries/
https://www.litechpower.com/LiFePO4-Battery-Packs/

Simon:

--- Quote from: mikeselectricstuff on March 08, 2024, 02:31:56 pm ---There are quite a few suppliers of standard and customizable approved packs, e.g.

https://steatite-batteries.co.uk/lithium-ion/
https://www.varta-ag.com/uk/industry/product-solutions/lithium-ion-battery-packs/cellpac-lite
https://tracerpower.com/products/lifepo4-batteries/
https://www.litechpower.com/LiFePO4-Battery-Packs/

--- End quote ---

Some good leads. Tracer is what we already use. There is a cable from battery to machine rather than the battery being something that goes into a compartment. The ones in our range use these horrible 2 pole male+female bullet connector.

steatite, looks like they only supply shrink wrapped batteries with leads, same as ansmann on RS, they would need putting in a box with contacts, it could be worth talking to them.

The varta ones all seem to be single cells so not a high enough voltage.

Litech, yes came across them before, they seem to do a lot of custom builds which may involve costly certification.

I'm literally looking for the bigger brother to the Nokia 3310 battery.

m98:
Sony NP-F series and its clones.

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