Cellphone Battery Always Dying? Part 2

March 9th, 2009

I wrote earlier about having a cellphone battery that always died and how I lucked out when I looked into replacing it. Here is another tip I just picked up.

I used to let my cellphone batteries drain completely before charging them. I was told the last time I bought a cellphone that that is not necessary anymore, but I continued to do it anyway, just to be safe. I figured it couldn’t hurt.

Well, apparently, it CAN hurt!

This source says that lithium-ion batteries should *not* be discharged fully on a regular basis.

Avoid frequent full discharges because this puts additional strain on the battery. Several partial discharges with frequent recharges are better for lithium-ion than one deep one. Recharging a partially charged lithium-ion does not cause harm because there is no memory. (In this respect, lithium-ion differs from nickel-based batteries.) Short battery life in a laptop is mainly cause by heat rather than charge/discharge patterns.

Source: http://www.batteryuniversity.com/parttwo-34.htm

So, it seems that I probably contributed to the short life of my last two batteries (not including the defective one) by following the same rules as for nickel-based batteries. From now on, I will not let the battery run out completely before charging it. Also, I will try not to leave my cellphone in a place where it will get too hot. Let’s hope that leads to a more reasonable lifespan for my cellphone
batteries from now on!

 

Free 8GB iPhone from Softbank

March 5th, 2009

  Apparently, Softbank is giving away 8GB iPhones for free with a two-year contract. However, it seems that there may be a new iPhone launching soon, so if you are not desperate to own an iPhone right now, it could be worth it to wait and see what the next big thing is first before [...] [ ... ]

Futon Dryer for Winter Warmth

November 28th, 2008

  Last year, we invested in a futon dryer (futon kansouki) which is essentially used on those days when you can’t air the futon, dry out shoes and boots, and even dry your clothes. We also used it to heat up our futon before going to bed. We have a wool-like fluffy mat under our sheet, a [...] [ ... ]

Frugal Tip: Hot Water Bottles

November 27th, 2008

  A frugal way to keep your bed warm during cold night is to use a Japanese hot bottle called “Yutanpo”. I found the following website talking about Yutanpo : http://nihonhacks.com/in-the-home/keep-yourself-warm-with-yutampo/ By the way, the Nihon Hacks website has a lot of frugal ideas th [ ... ]

When a Blanket isn’t Really a Blanket

November 27th, 2008

  I have lived in Japan for a number of years, but I still can’t get used to how cold it gets INSIDE my house in the winter. I try all kinds of things to reproduce the warmth of a house in Canada, but all to no avail. Or, rather, I do know of [...] [ ... ]

Moving Overseas

March 21st, 2008

  Wendy, founder of Frugal Japan, reports on her move from Japan to the US. I learned a lot over my last three months in Japan, and fully intended on making a very in-depth report on how to dispose of one’s items and move frugally. Unfortunately, my move ended up being not very frugal, despite  [ ... ]

The Summer Blues: Cutting Air Conditioning Costs

August 17th, 2007

  Okay. I’ll get right to the point. It’s hot. Darn hot. And expensive. If you’re a slightly detail-oriented (i.e. anal) frugalite like me, you already know from tracking your monthly electricity expenditures that the seasonal peaks typically come in January/February and July/August. [ ... ]

Keeping a Lid on School Prep Costs

March 30th, 2007

  So, it’s now almost April, which in Japan means: time for the new school year and fiscal year to start. Before our son was born, I had little appreciation for just how expensive this time of year can be for families, but now I know – school fees and supplies can really take a whack [...] [ ... ]

Keeping Warm Despite a Warm Winter

February 13th, 2007

  So, the new Japanese phrase for the day is: ‘dantou,’ the kanji for which literally mean ‘warm winter.’ That, according to the weather experts, is apparently what we are enjoying in 2007. You’ve probably seen the shocking pictures on the evening news: cherry blossom bud [ ... ]

Frugal Website: Cookpad.com

December 29th, 2006

  Cookpad.com is a community-based, Japanese cooking website featuring tens of thousands of recipes in easy to understand Japanese, with pictures. Rate your favorite recipes or add your own to the mix – its all free. (Note that cooking from recipes is a great way to study Japanese!)  [ ... ]