9V Alkaline Battery Charging Circuit(Also 1.5v Cells)

Learn how to make a good alkaline battery charger which is NOT likely to cause the batteries to leak or bulge, and will charge them properly. Though alkaline batteries are not intended to be recharged, they do seem to recharge well using this circuit. I put together this circuit from information obtained from the web page below. The circuit shown in the video was designed for 9V batteries, but you can also charge 1.5V (AA/AAA/AAAA)batteries by lowering the power supply voltage. The batteries are charged using low current DC pulses.


Schematic is here:


For fully charged 9V LED indicator circuit:


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Charging Lithium 18650 Cells : Overcharge Protection for 3.7v Battery

Let’s Make 3.7v Lithium Battery Charger That Tests Battery Capacity in mAh Using TP4056 And Usb Power Monitor. Usb 5v Input Makes it Versatile to use it Any where on the go !
Tp4056 is Perfect Lithium Battery Charger And Usb Power Monitor Gives You Your Battery’s Remaining Storage Capacity (mAh) So you will always know your battery parameters like mAH and how good your battery is !
With This Battery Charger + Capacity Tester You can Actually Measure and Compare Battery Capacity With Standard values (mAh).

★☆★ Buy Parts from your online local store ★☆★
1) TP4056

2) Usb Power Monitor

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How To DIY Solar Battery Charger

http://www.EnergyBrainiac.com – How To DIY Solar Battery Charger
The DIY Solar Charger | Popular Science
Jul 6, 2007 … The DIY Solar Charger. Keep your gadgets powered even when the grid … and build frames to hold the DC charger controller and the battery. …DIY: Solar Powered Battery Rechargers
In their latest catalog, several solar battery chargers are offered but one is particularly useful. The small Multi-volt Output Solar Panel (Cat. …Get Prepared Stuff – DIY Solar AA Battery Charger”
Most of the AA solar battery chargers available wouldn’t charge two AA 2000 mAh batteries in 4 days let alone 1 day of 4-5 hours of sun.Solar Battery Charging – Solar
Jul 30, 2007 … One of the simplest DIY solar projects is to make your own solar battery charger using a small Photovoltaic (PV) solar panel. …DIY Solar Battery Charger – Solar Energy How-to-Guide Directoy
DIY Solar Battery charger. Build your own solar battery charger for all of your electronic gadgets.Design Solar-Powered Computing Device – Hacked Gadgets – DIY Tech Blog
DIY projects describing how to build electronic projects. … Solar Battery Chargers – Cheap Solar Battery Chargers and Battery Charger ..
How To DIY Solar Battery Charger

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My DIY 18650 Battery Charger

Today I’m going to show you how I’ve build a more complex 18650 battery charger. I got all the electronic components from banggood.com. I tested all the components before starting the project and they are all ok. The electronic parts cost 6.5 euros / battery.

Parts list:

Mini voltmeter: https://www.banggood.com/MINI-DC-0-32V-3-Digital-LED-Display-Voltmeter-p-1216060.html?rmmds=cart_middle_products&cur_warehouse=CN
10W 10ohm resistor: https://www.banggood.com/10w-10-ohm-10J-Ceramic-Cement-Power-Resistor-Flame-Resistance-5-J-p-1270032.html?rmmds=cart_middle_products&cur_warehouse=CN
Charger module board: https://goo.gl/2tNUgV
Battery Holder: https://goo.gl/iCaigG
LED Light Assorted Kit: https://goo.gl/qo3j4K
Switch: https://goo.gl/DYgVm6
300 resistors kit: https://goo.gl/rhgbjR
6.18 Mid Year Sale up to 80% off: https://goo.gl/mjYAaz
log in banggood app and enjoy 10%off app coupon: https://goo.gl/nuFskU
10% off universal coupon code for Electronic except 3D printer, valid until 31st Dec. 2018.
US warehouse: USELE10
EU warehouse: EUELE10
AU warehouse: AUELE10

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