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View Full Version : which computers have user replaceable batteries ?



giantmantaray
December 9th, 2003, 03:51 AM
the cost of getting a 'certified' technician to replace the batteries can cost half the computer itself. User replaceable batteries are the way to go, especiallly as I dont dive often enough. I also thought it would be a good idea to remove the batteries if the computer is not used for more than a few months. Any opinions ?

R_Deluca
December 9th, 2003, 04:16 AM
I have a Suunto Vytec, and the batteries are user replaceable. I believe all their computers have user replaceable batteries. I love the Vytec, it has just about every feature you could want!

Safe Diving:)

Capt Jim Wyatt
December 9th, 2003, 07:33 AM
has user replaceable batteries.

I have one & its a fairly good computer.

gfisher4792
December 9th, 2003, 10:01 AM
I believe all of Mares' computers have user replaceable batteries. I have a Nitrox Surveyor, and it uses AAA batteries. I know that the M1 does as well.

leadweight
December 9th, 2003, 01:49 PM
In general, it is better to have user replacable bateries. However, my 5 year old Aladin Pro Nitrox is on the original battery after 400+ dives and shows 59% remaining life.

What you really have to watch out for is a computer with non-user replacable batteries that does not give much warning before the batteries go out. Some of the Dive-Rite (and similar OMS) models are like that. Likewise a battery replacement on a Suunto Stinger is a seriously overpriced $120-$150.

Mares has an interesting approach. The batteries have a short useful life, but are available everywhere and do not cost much.

ew1usnr
December 9th, 2003, 03:04 PM
A replacement battery was available and in stock from a local battery shop. The price was nothing unusual. It was not difficult to change.

IndigoBlue
December 9th, 2003, 03:08 PM
Dive shops who are dealers in Suunto carry replacement battery packages. You also get a new o ring as well. The dive shop manager can replace your battery for you in about 2 mins, usually no extra charge.

You could do it yourself as well. I would still get the replacement at the dive shop, so that you get the new o ring as well.

JeffG
December 9th, 2003, 03:34 PM
The Versa and the Versa Pro (and more than likely all their other computers) have user replaceable batteries.

ScubaRon
December 9th, 2003, 04:46 PM
I have an Aeris 300G (same as Atmos Pro) and it has user replaceable batteries. Batteries are $2 each (you need 2).
:snorkel:ScubaRon

bgbill
December 9th, 2003, 05:38 PM
Delta P VR 3 takes a "AA" battery, and takes about 10 seconds to replace.

billster
December 9th, 2003, 09:20 PM
My Sherwood Wisdom has user-replaceable batteries. It's CR2450 available at Radio Shack, and takes only a couple minutes and a coin to replace.

DA Aquamaster
December 10th, 2003, 12:39 AM
All the Pelagic hockey puck computers by whatever name or company all have user replaceable lithium watch batteries that are commonly available at Wal-mart.

I also own a Sherwood Wisdom and agree the battery is widely available and easy to replace. Once you unsrew the cover you just drop out the old one and drop in a new one. If you do it within 8 seconds (which is easy to do) you won't even lose the nitrogen and 02 calculations and can keep right on diving even if you have to replace it in the middle of a live aboard trip.

The battery is also good for a full season of diving by most standards and will probably go 100 plus dives before you have to spend $3.50 on a replacement.

In contrast, Uwatec uses a factory replaceable battery. Battery replacement and recalibration has a dealer cost of around $250 and a suggested retail cost of $550 for their Smart and Air Z series computers. Granted you can get 500 to 1000 dives out of a battery depending on the dive profiles and how much you use the backlight, but it is still very serious money when a replacement is needed. I forsee some very nasty surprises for people who buy the Uwatec computers that will start showing up on E-bay in a few years.

firedogut
February 9th, 2004, 11:04 PM
Uwatec uses a factory replaceable battery. Battery replacement and recalibration has a dealer cost of around $250 and a suggested retail cost of $550 for their Smart and Air Z series computers. Granted you can get 500 to 1000 dives out of a battery depending on the dive profiles and how much you use the backlight, but it is still very serious money when a replacement is needed. I forsee some very nasty surprises for people who buy the Uwatec computers that will start showing up on E-bay in a few years.


Uwatec now offers life time battery replacement. When the battery says 0% (there still a reserve left) you send it off to uwatec and they will replace the battery and recalibrate the computer at no cost. you just have to pay the 5 bucks to ship to them. they pay for the return shipping to you.

plus a long battery life

"Based on an average dive time of 60 minutes and a surface interval of 20 hours after every dive the following battery life can be expected :
Number of Dives Per--- Year Dive Computer (years)
50--- 10
100--- 8
150---6
300--- 4"

H2Andy
February 9th, 2004, 11:56 PM
Sherwood Logic has user replaceable batteries.

I have one & its a fairly good computer.

i have one too. i love it. very simple and no nasty beeps.

and it's great to go to Radio Shack and get the batteries for under three bucks.

abowie
February 10th, 2004, 06:26 AM
My VR3 will run on any alkaline, rechargable or Li battery that provides between 1.2 and 3.6v and it is pretty easy to replace.

ScubaWim
February 10th, 2004, 10:15 AM
The Suunto Mosquito also has selfreplacable battery.

jonnythan
February 10th, 2004, 10:16 AM
I have an Aeris Savant.. battery is easy to replace, but kinda expensive... unless you know of a place with a lot of old Macintoshes sitting around ;)

Mark Vlahos
February 10th, 2004, 04:19 PM
I dive a Cochran Gemini, with dual battery compartments in the tank unit so you have an installed backup set while you are diving. Each of these sets consists of 2 user replacable "AA" batteries (total of 4 "AA" batteries). When purchased new Cochran includes batteries in the unit plus an additional replacement set with O-Rings. The wrist unit is powered by 2 "N" size batteries, again a spare set with O-Ring is included with your purchase. Cochran recomends alkaline batteries for the tank unit but says it will work on almost all types of AA batteries... rechargable, lithium, nicad, etc... Cochran recomends only alkaline for the wrist unit. They also indicate that both the tank unit and the wrist unit will operate for 1000 diving hours or more on a set of batteries. It is also completely OK to replace batteries in the middle of an extended diving vacation if you follow the directions in the owners manual (really easy and straight forward), you will not loose your current nitrogen loading or oxygen toxicity information.

One catch is that Cochran indicates that you should leave the batteries in the unit at all times even for extended storage, the unit never actually turns itself completely off, it is always monitoring altitude. I choose to check the batteries before an extended trip and replace them then if needed. The batteries are inexpensive and really simple to replace, this is not rocket science.

Whatever computer you have if it has user replacable batteries you should have one set with you in your save a dive kit.

Mark Vlahos

Aeolus
February 10th, 2004, 04:42 PM
I have an Oceanic Data Pro Plus and the battery can be changed easily, but it does take a tiny phillips screwdriver. The battery is a bit expensive, but I have found that one will last about two years. The only problem is that there is not any indication of how much life is left in it.

LUBOLD8431
February 10th, 2004, 04:50 PM
Likewise a battery replacement on a Suunto Stinger is a seriously overpriced $120-$150.


The retail price for a Stinger battery change is $60. If you are paying $120-150 for a stinger battery change, you are getting ripped off. However, Suunto recommends a 2yr or 200 dive service, which is OPTIONAL that involves cleaning the battery compartment, changing the orings and testing it. This service (combined with a battery change) would retail for $100-120.
Just wanted to clarify that...

I have had my Stinger for a few years now, and I own a vyper. I love them both, but I do wish the stinger was user replaceable.

getwet2
March 26th, 2004, 08:41 AM
I use a Cochran Commander which has user replaceable batteries (N-Cell) very easy. As for removing the batteries from the computer, they recommend not to, always keep a good battery in it. You can check the battery voltage on the computer.

mtiffee
March 26th, 2004, 11:57 AM
Aeris Atmos 2

DeepTrip
March 28th, 2004, 10:30 PM
Uwatec now offers life time battery replacement. When the battery says 0% (there still a reserve left) you send it off to uwatec and they will replace the battery and recalibrate the computer at no cost. you just have to pay the 5 bucks to ship to them. they pay for the return shipping to you.


Since when? I check with Uwatec dealer last December, and they didn't mention that. Or is it for US only?

On the topic, according to Suunto docs, all the latest mode of Suunto computer has user replaceable battery, except Stinger. And if you have Uwatec Aladin Pro, my friend once replace the battery by himself. According to him it is not that hard, assuming that you have basic skill of electronic.

nyresq
March 28th, 2004, 11:04 PM
the dive rite nitek (new style like the nitek 3), nitek 3, and nitek HE all have batteries that take about 5 minutes to change. the battery compt is completly seperate from the computer space, so there is no risk of damage to the computer.


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