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1994-09-18
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─ [20] Survnet: SURVIVAL_ORIENTED TOPICS (9:2500/0) ──────── SURVIVAL_ORIENTED ─
Msg : 97 of 101
From : Jerry Ebert 9:2400/900 Thu 03 Mar 94 03:55
To : Ted Thompson
Subj : Buddy-l Alkaline Rech
────────────────────────────────────────────────────────────────────────────────
TT> Said Greg Hoole to Ted Thompson on the Lord's Day 25 Feb 94 20:46
TT> regarding Buddy-l Alkaline Recharge:
TT>
TT>GH> I have had very good success at recharging standard alkaline
TT>GH> batteries but I did have one that ruptured and did inturn leak.
TT>GH> So becareful!
TT>
TT> hmnn.. so the Eveready "microprocessor controlled charge" is just a
TT> buncha hokey that can be bypassed w/ tin foil?.. interesting..
TT>
TT> As far as the Buddy-L, I have had good results from it, depending on
TT> the condition of the battery being charged.. ie: it will charge a
TT> lightly discharged battery to better than factory voltage (as much
TT> as 1.56v), but if you recharge one that's nearly dead, it will bring
TT> it to 1.36v to 1.48v, not quite factory voltage, but still better
TT> than Nicads or dry-cells...
TT>
TT> ... I'm not paranoid, just a student of history.
Ted,
I concur. Actually, any battery can be recharged. The trick is to
do it slowly. Most types of batteries will heat up and be permanently
damaged if recharged too slowly. The active chemicals in batteries must
be in a liquid, or semi-liquid state. If a battery is allowed to dry
out it will not function. Too high a rate of charge will also cause gas
to form at the center element (electrode) and increase the resistance in
the battery preventing it from charging until the gas dissipates. This
can be readily be seen in an automotive battery. Gas can form so
rapidly that the bubbles can be seen in the electrolyte and forming on
the plates. When this happens water must be added to keep the battery
serviceable.
The problem is how can you replace the water in a carbon-zinc or
alkaline battery. Also, what is the service life of a recharged
battery? In the case of a carbon-zinc battery the discharge rate of a
nearly dead battery is greater than the maximum charge rate. The
battery will literally go dead while it is being recharged.
In a survival situation it may be worth the effort to try this.
Any battery is better than none at all.
Jerry
* OLX 2.1 TD * Necessity is a mother, not an invention.
--- WM v3.10/92-0508
* Origin: THE BULLET BOX / SURV NET, So. Pasadena CA (9:2400/90 (9:2400/900)