Can i use a charger with lower voltage. From there, it is possible for the laptop to e.
Can i use a charger with lower voltage. If you have a charger that can supply 5v 3a and 9v 2a and a phone that can only charge at 5v and only draws 0. If the laptop requires 19V you should use an power-supply that provides the same voltage. Can I Use 140w Charger for Iphone. Your phone will only take the current it needs. display brightness + using an external display. This is typically caused by too high voltage. Dec 20, 2023 · Wait! Just because the plug for that universal adapter fits into your laptop or phone doesn't mean it's safe to use. Jan 8, 2017 · Lower voltage will result longer time to charge the battery and it not blow up your components. Apr 30, 2023 · Battery says clearly 36. Remember, this user wants to use an unknown quality adapter at 100% capacity. Power supplies operate on different ranges. Apr 30, 2015 · It depends. Input 100-240V ~1. Within reason, more voltage will charge faster and lower voltage will be slower. The LT3741 itself is not a battery charger. Nov 12, 2015 · The setup will not charge the laptop because USB-A delivers only 5V of power, while all laptops in the market require at least 12V of power. Hope that helps! Using a charger with the wrong voltage rating can potentially damage your laptop. Yes, you can use 33W and 25W chargers on an 18W phone. I only found a 33pF 50V one. You can successfully use a compatible laptop power adapter of lower amperage than that of the stock adapter for your laptop. Using a charger with too low current rating might fry the power supply, but not the laptop. Since the laptop can communicate with the charger, technically it can discover the charger's capabilities. Sure, it can work, but you have to be careful while giving advice without knowing all the details. There is a small chance that a poorly designed power supply may overheat. A 5A device will use that 8A charger to pull Dec 12, 2023 · Q1: Can I use a low power charger with my high-capacity device? Yes, you can use a low power charger with a high-capacity device. It will simply charge slower. If your solar charger has a port which can output 12V to 20V - usually a USB-C Power Delivery (PD) port - then, yes, you can use it to charge the laptop. My guess is that the new laptop will just charge more slowly with a lower wattage charger, but I want to be sure. This is why high amperage is not a problem. If it’s not made specifically for your particular computer, getting the right power supply is important and involves matching voltage, amperage, and polarity. Since you have a 3. If you run demanding applications (like gaming or video editing), the power demand can exceed what a lower wattage charger can provide. Each has different constraints. That is, if you went to a lower-current charger and the laptop tried to draw more current than the low-current charger can supply, you would likely damage the charger (e. The only thing to worry about is voltage, but even that doesn't have to exactly match, a 10% difference is acceptable, and will work in 99% of cases. It is perfectly safe to use the 33 watt charger for the 10 watt phone. , burn it out) and possibly the la Jun 11, 2022 · Using a 30W charger for a 10W phone. 0mm; They can be safely used as they both have the same output voltage and output current and are rated for 65 watts. Using a 33W or 25W charger on an 18W phone. It can damage both the charger and the laptop. I'm in trouble to find a capacitor with this specific voltage. You can safely use it to charge a Lithium-ion battery provided that you have mechanisms in place to handle fault conditions such as an over-discharged battery (must be charged at a lower current until reaching 3. 0V/cell), charger malfunction (not limiting current or voltage), cell voltage imbalance Aug 3, 2012 · The current rating on the charger indicates the maximum current it can supply. cpu + gpu utilization + constant optical drive use + battery charging + max. Max power draw for a laptop is at max. g. May 27, 2013 · This ohm law is wrong application for a battery under charged, the battery is not a resistance device, but a capacitance device instead, so if the charger supplies 2 Amp the phone battery will accept 2 Amp charging current as this ohm law: P = IxV , V = 5V constance so current I will change if the charger power is higher than the device require. 5a, the charger won’t supply more than 5v 0. Nov 15, 2024 · If the amperage provided by the power supply is lower than the device needs, the device will charge or run slower or not at all. com Sep 18, 2024 · Can I Use Lower Wattage Charger Without Damaging My Laptop? There is only one possible situation where we would recommend using a lower wattage Laptop. Sep 3, 2017 · You can replace charger with similar, depending of device charger will be ok or not, but remember this and you find right charger; Voltage is provided (or pushed) by the charger (10V), it doesn't matter if your device need more or less power. Using a lower wattage charger may result in slower charging times Sep 27, 2022 · Can I Use 33w Charger for 10w Phone. As long as the voltage provided can operate your laptop, then it is fine to use even though given lower voltage supply. If the amperage rating of the power supply is higher than the device needs See full list on pcwebopaedia. Jun 5, 2023 · Yes — with a couple of caveats, of course. Mar 2, 2019 · With USB-PD, the situation is a bit different. If the voltage is less, the device will not work, actual damage is less likely. As far as power draw goes, that's load dependant, but you can figure the battery is rated to be higher than what the maximum draw of the configured laptop could be. A lower wattage charger will either charge the battery very slowly, not charge at all, or might not even keep the laptop powered on. This is when your system is fully charged and you want to prevent overheating while conserving the battery. So even with line voltage plugged in, if you play a game on a 33w charger, chances are good that the laptop won't sustain the game for an ho What About Using Charger With Lower Amperage? Low amperage is more dangerous than low voltage. However, keep in mind that the charging time will be longer compared to using a standard charger. The stated input current (amperage) is probably the max. Thanks. Voltage. It'll also charge from any USB Power Delivery source on the USB-C port, and do so while turned on if there's at least 30W available. Amperage is taken (or pulled) by the device being powered. A charger’s amp rating shows you the maximum amount of power it can transmit. 6v battery, anything over about 4v will charge it. The current is limited by how much current the phone draws. 5V 3. If the low voltage is outside this range, it can damage the power supply and possibly the battery or laptop. You can check on the side of your charging cable for the specifications (usually somewhere around 100-240 Volts). 5A 65W Pin Size 7. As long as the voltage is the same as it will be if you are using a certified charger, you can use any charger you want without any problem. Just because a charger has an 8-amp rating doesn’t mean it will transmit 8 amps. May 2, 2019 · It'll charge on a separately-purchased HP 65W adapter, with the higher output allowing it to charge faster than the 45W adapter when the laptop is in use. 5a. 4 x 5. Charging Speed: A higher wattage charger can charge your laptop battery faster. @MaQleod, alright, lets see if i get this correct, so, if the device is charged with a lower amperage charger, it will charge slower, and if the charger is able to negotiate the power use, it is able to regulate the rate of the power the device is trying to pull, else, the device might try to pull power faster than the charger is able to supply Apr 14, 2012 · Yes, it matters, but not all the time. But using a charger with too high current won't damage your laptop. The charger negotiates the voltage with the phone and should never exceed the voltage supported by the device. The way to charge these is to attach it to a power supply that is greater than the voltage of the fully-charged battery. A high voltage capacitor will have it's capacitance rated at low voltage meaning when operated close to it's rated voltage the capacitance will be much lower. current it can draw or the value of its internal fuse. It recommends to use a 33pF 63V capacitor. Many people have a phone that uses a 33 watt charger and a phone that uses a 10 watt charger. There's nothing dangerous about using a lower amper charger. 71w. Read this guide on finding the right charger or power adapter. Yes, you can use a 30W charger for a 10W phone. From there, it is possible for the laptop to e. If the power supply voltage is significantly more, it will damage your device and could start a fire. Since the P51 requires a 170 watt charger at minimum, one that's half the power probably won't do much at all. You cant on your laptop if lower voltage supplied. Apr 30, 2023 · It's not safe to user a lower wattage charger. Current (Amps) Bc if you use a laptop and charge a laptop at the same time, the adapter must deliver more power. You just need to make sure the voltage is same. Whether a laptop does so or not would depend on the laptop; this is optional. So it is OK to use a charger that can supply more current, but not the other way around. May 19, 2015 · Replacement Charger. I often use a lower wattage charger (for various devices), and have never had any The damage is likely not immediate, the 18V is fed to the charge controller for the laptop motherboard, typically these will have capacitors and switching components with a voltage rating (say 25V caps), I have used higher voltage supplies without issue after verifying that the front facing components are tolerant to the higher voltage Jun 7, 2019 · I'll assume that a B&D grass clipper has a basic non-lithium battery. You can leave the battery if you only use the laptop on battery power. Since the power supply will be 20V, a lower voltage capacitor should not be a problem, right? What kind of problem I will have if I use a 33pF 50V instead of a 63V? Sep 2, 2024 · Power Supply: Laptops consume power based on their usage. This is why the different MLCC capacitor dielectric types exist, they guarantee a certain capacitance vs voltage characteristic (amongst other things) \$\endgroup\$ – Dec 6, 2021 · Can I use the 61 watt charger that came with my 2017 13" MacBook Pro to charge my new 2021 16" MacBook Pro? I know I'll need to use the USB-C to MagSafe 3 cable instead of the cable that came with the 2017 MacBook. limit charging rate by using a lower current. 5A 50-60Hz; Output 18. If the amperage provided meets the device’s needs, all is well. The output voltage must match.