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new rechargeable batteries
January 28, 2012
10:16 am
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k-rok
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i found the 3600mah batteries cannot be fully charged through my intelligent fast charger, it takes 16 hours through my slow charger to get them fully charged (the company recommends a 16 hour slow charge for the batteries).
the batteries where not even hot on the regular charger after 20 hours.

January 28, 2012
10:03 am
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k-rok
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update
i bought the same 2aa charger and took it apart to remove the prongs. the first thing i noticed is the internals did not look the same. i put it back together and tried it. no overheating, it works great. i take it they solved the issue

November 13, 2011
8:37 pm
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k-rok
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sorry for getting back to you late but tropical depression Sean caused a little flooding in the apartment.

the charger is a no name one, it's black and takes 2 aa rechargeables and has a small led light. after i removed the two center prongs of the usb in the charger (used for info transfer) i could take the batteries out of the 310 and nothing would happen. before i removed the prongs i would plug it in when i had 2 fully charged batteries in the unit and everything was ok for a few minutes then the charger would start to overheat, in a matter of less than 2 hours the charger batteries where drained, most of the power was wasted giving of heat.then when i unplugged it the gps it would give a low batt warning and shut down, even with 2 fully charged batts in it. the gps seemed to be using the charger as the main power source.

when the charger was plugged in to my cell it did the same thing but i can't remove the regular battery because it will shut off.

now with the prongs removed i can plug in the gps when the batts get low and replace them, then i unplug it and i'm ready to go again without turning off the unit. i can now make one track over a 3 day period, the only limit is the 10000 points allowed and the number of batteries i have.

as for the 3600 mah nimh, there 10 batts for $15 Can. so i'll give them a try, going to buy a better slow charger for them. now i can probably go on a 3 day camping trip and never turn off the 310 (i average about 3000 points in a 24 hour period).

i should have added the lithiums are 3.7 volt and 4000 mah. there is a special portable charger that takes 4 of them, giving you 16000 total mah and you can replace them when there drained. the output is 4-6 volts and up to 3 amps so it will run several devices at the same time, in theory.

the black 2 aa charger gets pretty hot, i don't think it will catch on fire but if anybody has one keep a close eye on it or remove the prongs.

November 13, 2011
10:32 am
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Paganel
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I noticed that the battery with low self-discharge (Sanyo Eneloop, Ansmann MaxE, GP Recyko) 2100 mAh work in navigators longer or the same as the usual 2700, especially at low temperatures.

In the last time there appeared new series of these batteries 2500 mAh, but they have less than 500 charge cycles instead of 1500.

I use the charger LaCrosse BC-700. He is charges separately each battery, discharging, measures the capacity of the trains batteries (repeats the cycle, while the capacity will not cease to grow). This is the best charger from those that I have seen.

Better yet, use non-rechargeable lithium batteries Energizer Ultimate Lithium. They have a capacity of 3000 mAh at a current of up to 5 A and at the temperature up to -20 degrees celsius. The usual manganese batteries at a current of 200 - 250 mA, give not more than 1800-2000 mAh. At temperatures below +10 they die very quickly.

Lithium batteries in Ukraine are worth less than $4. eXplorist 310 working with them is not less than 20 hours.

November 13, 2011
7:34 am
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phild31
Nashua, New Hampshire USA
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If you are looking for an external power supply for your GPSr go here, it's a post about one - LINK

When in trouble or in doubt, run in circles, scream and shout

November 13, 2011
7:25 am
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phild31
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What make of batteries are you talking about?
What make of charger and is it for AA?
What make of 'black charger'?

Heck, everything's from China now!

The only rechargeable AA's I have found that are any good at all are Sanyo Eneloop.

And how did you run your 310 with no batteries in it??

When in trouble or in doubt, run in circles, scream and shout

November 13, 2011
7:08 am
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k-rok
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at least there new to me, i found 3600 mah 1.5 volt nimh batteries on the net. i also found 4000 mah lithium battery's. there is a 4 battery emergency charger for GPS, i-Pod, ETC that takes the lithium.
is this for real or not. i will add the best batteries i've used so far are the 2700 infinicell source (radio shack) and i'm pretty sure there from China.

if anybody bought the black 2aa charger from amazon.ca or amazon.com it tends to overheat. heat is power loss. the way to correct it is slowly pull the unit apart, then take a needle and pull the 2 center connections out from behind then twist them off. i ran my 310 for 6 hours without any battery's in it with no heat. i didn't put it on power save (2450 mah ray-o-vac platinum in the charger)

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