What is the Voltage of a 12V battery after a Week Without Starting
![What is the Voltage of a 12V battery after a Week Without Starting](https://www.optimabatteries.com/images/default-source/experience/can-a-12v-battery-lose-voltage-after-not-starting-a-car-for-a-week-jpg.jpg?sfvrsn=114ee798_0)
Can a 12-volt battery lose voltage after not starting a car for a week? You bet it can!
![](https://cdn.shopify.com/s/files/1/0034/8913/6751/files/12_v_battery_chart_480x480.png?v=1678763836)
Deep Cycle Battery Voltage Chart - ShopSolar.com
![](https://cdn.shopify.com/s/files/1/0034/8913/6751/files/12_v_battery_voltage_chart_480x480.png?v=1678811088)
Battery Voltage Chart - Internal Battery Relationships - ShopSolar.com
How long can I run a continuous 45w load off a 45Ah 12v battery without dropping the battery voltage below 10.5 volts and assuming 90% efficiency? - Quora
![](https://batteryuniversity.com/img/content/clead1xx.jpg)
BU-403: Charging Lead Acid - Battery University
![](https://www.midtronics.com/wp-content/uploads/2022/06/EV_12V-1.png)
Why Do Fully Electric Vehicles Use 12V Battery?
![](https://preview.redd.it/tq9sncoemof81.jpg?width=640&crop=smart&auto=webp&s=e6811148624278905912621f92350c39a7a03e28)
Is this 12v battery fully charged 12.62v, and is the cheap Chinese wall-wart charger voltage 15.22v too high? Sealed lead-acid for electric start. 20deg F here then single digits. : r/OffGrid
VMAX SLR125 12 Volt 125ah AGM Solar Battery
![](https://www.vmaxtanks.com/cdn-cgi/image/quality%3D85/assets/images/SLR125.jpg)
SLR125 12Volts, 125AH Deep Cycle, Solar AGM Battery.
![](https://marinehowto.com/wp-content/uploads/2017/04/02-Loaded-Battery-Voltage-vs.-SOC-AGM.jpg)
Under-Load Battery Voltage vs. SoC - Marine How To
![](https://preview.redd.it/whats-going-on-here-voltage-is-13-3-when-disconnected-and-2-v0-lze5gpolnqfb1.jpg?width=640&crop=smart&auto=webp&s=e02e4d93fc1024dec543aa520d11ce77c9ba5654)
What's going on here? Voltage is 13.3 when disconnected and 2.6 when connected. Classic car will not start. : r/MechanicAdvice
12V Battery FAQ MachEforum - Ford Mustang Mach-E News, Owners, Discussions, Community