Showing posts with label Batteries. Show all posts
Showing posts with label Batteries. Show all posts
12 January, 2017

Extending the range and power of the bike by adding two cells in the luggage carrier

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Before this project, the battery of my bike consisted of 8 cells in series of 6 batteries LiFePo4 A123 in parallel each, and  I realize...
13 December, 2016

Reusing power sources to power devices of different voltages: voltage converters

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42V DC Power 19V 2A regulated DC to charge a laptop that spends 3A In this post we will see  how to feed these appliances we have at ...
06 October, 2016

Types of Batterie Management Systems (BMS); building new batteries for our equipment

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Complementing the already abundant information on this blog about batteries, recycling and repair, and BMS, I will analyze the types of...
18 August, 2016

Repairing a Chinese Li-ion battery charger 42V "Rait" brand

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The circuit: in one UF1004 dissipating diode and a  MOSFET 600V N   MDP11N60 (left) A collegue  had broken his battery charger, he told...
17 August, 2016

Replacing the battery ARRAY Ni-MH battery with a Li-Ion one

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In this post we will see  another example of updating a NI-MH battery for Li-ion another  , much more durable and with no memory effect, ...
1 comment:
17 January, 2016

Changing the battery of your tablet for a few bucks

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In this post we will change a spent battery to a 9-inch tablet Currently it is not uncommon to see every family with an Android or Apple...
12 January, 2016

Extending the battery life of your phone past 3 DAYS

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S5 with housing and battery Zerolemon What's hot? Granted, cheating is so fashionable today... but if not, "you wouldn't go...
16 October, 2015

Fuel economy in a car: Charging battery the Arduino way: 2nd and last part

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26650 LifePo4 A123 batteries (2.3 Ah) After analyzing the advantages and disadvantages of changing the car battery for a homemade LiFeP...
21 July, 2015

The Li-ion 18650 for sale on the Internet: There are more false than legitimate

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When I started acquiring Li-ion batteries 18650 back in 2012 to  restore some packs , there were still no stores in Spain that had them...
09 February, 2015

Repairing and Adflo Speedglas battery ref 837621 with LI-ION 4.2V Cells

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Lately  I have been repairing multiple wireless devices whose NI-MH batteries have deteriorated  ; usually get considerably cheaper mak...
20 comments:

Modifying an airsoft HK 416 UMAREX with 11,1V for increased rate of fire: from 13 bps to 18 bps

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HK 416 from UMAREX , very high quality materials and precision Recently  I personalized with more cadence one airsoft replica HK 416  f...
30 January, 2015

Rehabilitating one Metabo screwdriver with a Li-ion 4400 mAh 12.6V

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Metabo BZ 12 SP with DIY Li-Ion Battery As a gift, I was given an old screwdriver that was going to go to waste. It used the old Ni-MH ...
26 October, 2014

How to Build a battery for a Krautkramer USM 25 ultrasound equipment

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Krautkramer USM 25 (  source  ) Today was the challenge ahead: Search spare parts for rechargeable NI-MH battery 4.8V of an ultrasound m...