r/batteries
35,782 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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Preview thumbnail for Battery adapter to 26800 size? image
in r/batteries
Battery adapter to 26800 size?
in r/batteries
Electronic/ car battery question
in r/batteries
Power bank/ distribution help.
in r/batteries
battery size minimum size
Preview thumbnail for Wheelchair deep cycle battery issue? image
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Wheelchair deep cycle battery issue?
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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.
Preview thumbnail for Trying to identify this back up alarm battery for Hills Reliance R8 security system image
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Trying to identify this back up alarm battery for Hills Reliance R8 security system
in r/batteries
Trying to identify this back up alarm battery for Hills Reliance R8 security system
in r/batteries
Charging specs?
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Do I need to add PVC shrink wrap?
Preview thumbnail for Need advice image
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Need advice
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SUV battery
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Need help wiring.
in r/batteries
BMS outputs 6.5v, battery voltage 7.4V
in r/batteries
Working on a breadboard, batteries were smoking
Preview thumbnail for How safe/reliable are the USB rechargeable AA, C, or D cells? image
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How safe/reliable are the USB rechargeable AA, C, or D cells?
in r/batteries
Swollen lithium ion
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Battery pack DIY question
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Where to buy (thin) lipo batteries?
in r/batteries
Rechargeable Batteries for August Wi-Fi Lock
Preview thumbnail for Recelled the old acer laptop battery, laptop says it’s charging and shows a 50% charge but once I remove the charger it shuts off image
in r/batteries
Recelled the old acer laptop battery, laptop says it’s charging and shows a 50% charge but once I remove the charger it shuts off
Preview thumbnail for Advice on powering mini fridge for insulin image
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Advice on powering mini fridge for insulin
in r/batteries
Noob here. Tool battery rebuild ?s
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Duracell Optimum Batteriez
in r/batteries
Battery Purchase