Hitech - Two 9V Lithium-Ion Batteries and Charger Set

• Set includes two 9V lithium-Ion batteries and one 2-bank charger for them
• Battery nominal capacity: 600mA; Nominal voltage: 7.4V
• Charger Input: AC 100V-240V, 50-60Hz; Ooutput: DC 9V; Charging current: 300mA
• Great for all sorts of high-drain devices. Higher capacity than heavy-duty or alkaline batteries
• NOTE: These batteries MUST be only used in this charger ONLY, any others could cause damage.

I've got about a dozen of these 9v batteries by now; purchased more of these from the same seller (who also gets 5 stars for excellent communication, customer service and quick shipping). Used the batteries only in slow drain devices and they are working well (have not had to replace or recharge any for over 8 months now). The charging time is good.

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LONG LONG battery LIFE is what you get here . Charges take 3-4 hrs. and will last continuously

in most items for days. I intend to buy more sizes soon.

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The batteries are advertised as 9v however they are only 8.5v. This makes a big difference to some appliances. I had to return them.

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I use these in a TENS unit "a electrical pain stimulator for pain management". They work very well. Lasts longer than any other 9v I have Found. I have to use these for whole days at a time and the high capacity really helps with how many times I have to change the battery and can carry less of them with me. I have been using them for months and they seem the same as when I 1st got them. I'd recommend them to anyone who needs a good long lasting 9v.

These batteries hold their charge well -not like the cheap Ni-Cad set I wish I hadn't bought the first time. Recharge is fast (from way down to fully charged in a couple of hours) and the unit is small enough to be convenient for travel. It would be a "5" if the price were a little better.