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r/batteries

37,321 subscribers
For questions, news, and discussion about batteries, cells, chargers, charger/inverters, power banks and UPSs.

Notice: This subreddit is not actively monitored, so the posts here are only a small subset of what exists on reddit.

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to r/batteries by Formal-Package-9710
6 days ago
Preview thumbnail for Help image
Help
to r/batteries by MBAWORLD2020
2 months ago
Anker or EcoFlow for powering Life support Medical Equipment
to r/batteries by BillyJack76
3 months ago
Sofa sectional batteries
to r/batteries by 99999999999999999989
1 month ago
What can I do with inflated Lithium batteries?!?
to r/batteries by jimbo_rr
5 months ago
Preview thumbnail for Battery adapter to 26800 size? image
Battery adapter to 26800 size?
to r/batteries by Low-Pollution94
3 months ago
Preview thumbnail for I removed the cells from a Dyson v8 battery pack and tore off the soldered connections - have I compromised the structure? (all >4V, no internal resistance or capacity test done yet) image
I removed the cells from a Dyson v8 battery pack and tore off the soldered connections - have I compromised the structure? (all >4V, no internal resistance or capacity test done yet)
to r/batteries by PinSoft6343
5 months ago
Electronic/ car battery question
to r/batteries by PinSoft6343
5 months ago
Power bank/ distribution help.
to r/batteries by MiaLeeHere
5 months ago
battery size minimum size
to r/batteries by Yellowgrool
6 months ago
Preview thumbnail for Wheelchair deep cycle battery issue? image
Wheelchair deep cycle battery issue?
to r/batteries by BitForward712
6 months ago
I want to make a MagSafe battery pack. I see tutorials but I’m not an electrical engineer and need some help. Primarily in terms of resources on safety.
to r/batteries by cutengeeky8
6 months ago
Preview thumbnail for Trying to identify this back up alarm battery for Hills Reliance R8 security system image
Trying to identify this back up alarm battery for Hills Reliance R8 security system
to r/batteries by cutengeeky8
6 months ago
Trying to identify this back up alarm battery for Hills Reliance R8 security system
to r/batteries by Charceart11870
5 months ago
Charging specs?
to r/batteries by looksatstuff369
4 months ago
Do I need to add PVC shrink wrap?
to r/batteries by ClearTurn5609
1 month ago
Preview thumbnail for AMORGE AWJ-722060 image
AMORGE AWJ-722060
to r/batteries by TheBigAwty
9 months ago
Preview thumbnail for Need advice image
Need advice
to r/batteries by MidwestMSW
4 months ago
SUV battery
to r/batteries by WesternRuins17
1 year ago
Need help wiring.
to r/batteries by HydrogenCyanideHCN
9 months ago
BMS outputs 6.5v, battery voltage 7.4V
to r/batteries by citylion1
9 months ago
Working on a breadboard, batteries were smoking
to r/batteries by wtfitspitsp
1 year ago
Preview thumbnail for How safe/reliable are the USB rechargeable AA, C, or D cells? image
How safe/reliable are the USB rechargeable AA, C, or D cells?
to r/batteries by StragglyOne
6 months ago
Swollen lithium ion
to r/batteries by Gamesharkv4
8 months ago
Battery pack DIY question
to r/batteries by IcecreamInventor
10 months ago
Where to buy (thin) lipo batteries?