Customized Solar Energy Lead-Acid Replacement Battery 24V LiFePo4 Battery 25.6V 200Ah 100Ah

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Q: I recently bought a MacBook Pro 17in. and one of my school requirements says that I need an extra battery pack. I know that the MacBook's battery is built into the laptop, so you can't just get an extra and change them when you want.I have been looking around for an external battery pack or some sort of external battery so that i don't need to use a wall outlet during class.I have recently found a product called HyperMac. Has anyone heard of HyperMac and if they're safe or reliable or anything?If not, does anyone know of a good external battery for the MacBook Pro?Thanks!: call or take it to an Apple keep or Apple self sustaining provider centre. Your battery has a a million twelve months/3 hundred cycle 80% charge guarantee and you are able to desire to have the capacity to get a clean one if yours is below 80% of recent skill at complete charge. Battery existence relies upon on the kind you utilize the gadget. if your backlighting is grew to become up, you will get much less existence. in case you're watching video clips or doing FPS gaming, you will get lots shorter battery existence by means of fact your are working the GPU at close to a hundred% complete time.

Q: I foolishly burned out 2 green LEDs already since I provided too much voltage. The 2 green LEDs I need to light up have a forward voltage of 3.2 volts each. The battery pack has 3 AA rechargeable batteries, for a total of 3.6 V(1.2 V per battery). If I remove one battery, the LEDs won't light up at all. How can I reduce the voltage so it doesn't burn out my LEDs, do I need to use a resistor or can I use something else? If I need resistors, what kind of resistors should I use?: You don't, you use a resistor to limit the current going to the LED, the voltage taking care of itself.

Q: i lost my battery pack for my xbox360 controller: Was it a play and charge kit cause you can just use the cable and controller to play without a battery pack

Q: 18650 assembled into a battery pack should pay attention to what matters?: When used in series, the battery voltage, internal resistance, capacity as required, the voltage difference of 20mV, the internal resistance difference of 10 milliohms, the capacity difference of 20mA more reasonable, especially the difference between the internal resistance of the battery in series will cause fever , Serious will cause smoke to fire.

Q: I went swimming the other day and i had my waterproof camera with me i swam into the wall and the battery holder shot open so the memory card and the battery were exposed to water. i let them dry and the memory card works but when i put my battery in it makes a sizzling sound and does not turn on. is it broken? my battery charges when i put it in a charger or should i buy a new battery?: I'm sorry to tell you this, but I believe you have bigger problems than just your battery. Perhaps you should call Olympus for opinions and advice.

Q: does battery world repack batteries? if they do, how much does it cost?: some Anton Bauer battery packs are made with individual cells ( D size) internally. they can be re-celled (not repacked) yourself or by a technician. i used to do this at various television stations i worked at. i am not aware of any other type battery pack that is can be done with. it would cost about 1/4th the price of a new pack.

Q: I have a Electromagnet with a 96 volt battery pack. it is actually made up of 80 c cell batteries welded together.how can i recharge the pack without the original charger?????: not easily. if you have a variac, use it with a 6 amp diode in series. the cathode will go to the positive side of the battery pack. slowly turn up the variac til you get a reading of about 96 volts DC on a digital meter across the battery pack. quickly touch the diode case and see if it's very hot - if so turn the variac down. when the diode temp is at ambient, slowly increase the voltage by 1 or 2 volts at a time - checking the temp of the diode. proceed to increase the voltage to about 105 volts DC. another alternative is to get a 240 ohm resistor, at least 50 watts and connect the AC line in series with the 6 amp diode and the 240 ohm resistor. again watch the voltage - when the battery pack has about 105 volts DC across it, it should be almost fully charged.

Q: I have one of them car battery jump packs, thing is my gf lost the charger. I'm looking to get a replacement yet I don't know what I'm looking for. Its a EverStart Jump starter. 300amp. The port for the recharging says 12V DC input. What will I look for online or at the store. Also in the same line of questioning, how will I know I am buying the correct male plug.: Probably the BEST thing to do is go to the EverStart website and look there. That way you will find out exactly what you need with no guessing.

Q: I have the Xbox 360 Elite. I bought the play and charge controller, and a battery pack with the rechargeable wire. So I plug in the controller with the battery pack into the cable that charges it and into my 360. The light on the cable is illuminated green, which is supposed to mean fully charged. but when i disconnect the cable that charged it, supposedly, the controller dies. And it doesnt seem to charge it either. Whats wrong with it? HELP! The light is illuninated green, but it is not charged!: in simple terms take it decrease back to the shop. no count if that's a Microsoft sort you are able to call them and that they are going to deliver you a clean one and that they are going to deliver it to you and then have you ever deliver the previous one decrease back interior the field the different one got here in all free of value. I as quickly as had a battery %. that wouldnt take a value some month after i bought it. i think of it have been given knotted up from being too close to to the microwave.

Q: I bought the canon 60d but I don't want to have to buy another battery pack, any suggestions?: Try it. If they are exactly the same yes. Canon changes battery pack shape from time to time because of the various configurations inside the camera. The voltage should be the same but the physical size and shape may be different. I have a Rebel XS and an eos t1i, they take the same battery but the 50 60, you'll have to read the specs or just try it.

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