Ni-MH

Ni-MH is a lot less resistant to overcharging, which is why you more or less must use a smart charger, and thus one of the reasons for less 'memory' problems.

Top 10 Battery Hacks, Tips, And Tricks | Lifehacker Australia 2009

However Ni-MH will build up some voltage depression problems similar to Ni-Cad, and can benefit from an occasional deep discharge if capacity seems to be causing problems.

Top 10 Battery Hacks, Tips, And Tricks | Lifehacker Australia 2009

A standard Ni-MH battery is considered spent at about 0. 9V after spending most of its discharge voltage at about 1. 2V.

Coyote Blog » Blog Archive » Some Decent Rechargeable Batteries? 2009

Remember when the nickel-metal hydride Ni-MH battery came out and everyone said there was no memory effect?

Archive 2010-02-01 Venkat's Energy Blog 2010

There are three reasons why Ni-MH batteries self discharge.

Archive 2010-08-01 Venkat's Energy Blog 2010

The few very few folks who continue to work on the Ni-MH system talk about the use of carbon fiber instead of nickel plaques to decrease the weight and cost of the battery and increase its specific energy.

Lithium-lithium everywhere... Venkat's Energy Blog 2010

I remember going to an Electrochemical Society meeting in 1996 to present a paper on Ni-MH batteries.

Lithium-lithium everywhere... Venkat's Energy Blog 2010

Thus were born systems like Ni-MH, Li-ion, and Ni-hydrogen.

Archive 2010-09-01 Venkat's Energy Blog 2010

Many batteries, including the lead-acid and the Ni-MH batteries have the power capability to satisfy the requirements for a hybrid.

Archive 2010-04-01 Venkat's Energy Blog 2010

Niel- you are thinking of Ni-MH or Ni-Cd batteries and the memory effect.

Pull the plug. Your battery will thank you. Venkat's Energy Blog 2010