12 volt lithium polymer battery battery 90ah for solar street

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(1). Lithium batteries are light in weight, small in size, large in capacitance, high in energy and high in safety

(2). Lithium battery core raw materials. The core itself has overcharge, over pressure, and over let the flow of four safety protection. It fundamentally solves the hidden dangers of short circuit, leakage, explosion and other aspects of lithium batteries.

(3). Lithium batteries use lithium battery cores in series. 

(4). Charging chip protection plate(using military-grade smart IC chip, with over current, over pressure, overcharge, overcharge, under voltage, short circuit, reverse connection, equilibrium voltage and equilibrium charging and other multiple protection functions) to ensure the safety and reliability of the battery pack.

(5). Lithium batteries are used for a long time. The cycle can be charged and discharged more than 600 times. LED light source operating time of 20,000 hours, lithium battery life 2-3 years.

Why us?:


(1).More competitive price! As a manufacture,we have our own factory,so the price will be much more competitive!

(2).Great quality! All the cells we use are A grade cells,100% quality check and full one year warranty!

 12 volt lithium polymer battery battery 90ah  for solar street

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Q:How can i revive a battery pack on my cordless drill?
New Battery Reconditioning Course!
Q:My friend has an Echo 1 M249 (airsoft). If I make a custom battery pack at 10.8volts and 1500mah will I hurt i
If you put a 10.8v battery in there, you will wreck every internal gear that there is to wreck, that is way too strong for a stock gun, especially a clone brand. Stick with the 8.4v, or whatever battery came with it, otherwise your friend has just lost a large investment
Q:Is there a digital camera that can use a battery pack or 2 AA batteries?
Unfortunately, very few cameras accept both AA batteries and a Lithium-ion battery pack. However, you can always buy rechargable AAs. I use a Canon PowersShot A570 IS. I use rechargeable AAs and get about 120 pictures on a single charge. Great quality, too. My only complaint is the flash takes 2-4 seconds to recycle
Q:3.6v lithium battery how to become 36v battery pack?
10 3.6V (nominal voltage 3.7V) battery series voltage is 36V, and series to increase the voltage, parallel increase in capacity.
Q:How do you remove a 360 controller rechargeable battery pack? Can you use any battery charger to charge it?
I'm okorder
Q:Hooking up several LEDs?
The battery pack you have is +3.2 volts, which is correct since *unloaded* batteries are typically 1.65V and are 1.5V when loaded down. Now in order to hook up (4) LEDs with a (minimum) forward voltage of 2.2V, you will need 4 * 2.2V 8.8V (minimum) as a voltage source. Therefore you would need (3) dual AA battery packs that are connected in series to get 9.6V to work properly. Next you will need to control the current thru each of the LEDs that are also connected in series. The resistor would be need to be the voltage divided by the current from Ohm's Law as follows R V / I (9.6V - 8.8V) / 10mA 0.8V / 0.010A 80 ohms With this solution you can use (1) switch to turn off all the LEDs. An alternate way to power the LEDs is when each of the (4) LEDs are in parallel to the single 3.2V source. Since the voltage drop of each LED is 2.2V, the resistor for each LED would be R V / I (3.2V - 2.2V) / 10mA 1.0V / 0.010A 100 ohms Now you would need a switch to the batteries that is in series will all (4) LEDs that are in parallel to each other with their separate 100 ohm resistor. Notice that the batteries will not last as long with the LEDs in parallel as they would with the LEDs in series. The series combination is more efficient, but requires a higher voltage. LEDs do not give off heat, but the resistor might. However, the current of 10mA is not enough to create any danger.
Q:Hooking up a car battery to a portable power pack?
Well, yeah, since that is what the power pack is designed to use, your car battery THROUGH the cigarette lighter, a car battery COULD be hooked up directly to it. But instead of using the vehicle cigarette lighter adapter, you'd simply wire the bare ends directly to the battery. Kind of defeats the portability of it, though, since car batteries are pretty hefty. And you'd need some way to recharge the car battery. Car batteries, by the way, are not designed for discharge and recharge. They are designed for momentary heavy surges, or short term continuous use, and constant trickle charge. Deep discharge batteries, such as those used in golf carts, etc, are much more expensive.
Q:Need to recharge a big battery pack.?
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:12V battery pack without protection board safe?
Can not. Resulting in lithium battery over discharge, affecting life.
Q:How to connect rc LiPo saddle pack batteries?
You can buy some to test, generally it is banana adapter plug. Lol

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