3.0 out of 5 stars
Rechargeable C battery, 6 Jan. 2013
I bought these for a rat and mouse killer that works by delivering a short sharp and very substantial electric shock to any rodent that goes into the box. It uses 4 C batteries and works very well. Having flattened my existing c batteries and having still got mice to catch I thought rechargeables would be the answer. However, these allow the catching of only one mouse before failing. This is likely to be more to do with the discharge characteristics of rechargeables in general rather than being anything to do with these specific batteries. (Rechargeables usually hold 1.2V for a long time before dropping rapidly, normal batteries start at about 1.5V and this gradually falls to 1.2 V and less). It can work the other way. I once had a digital camera (a Minolta 7i) that ate normal AA batteries, one set every 10 or 20 pics! But rechargeables were recommended and worked very respectably. I shall try a few more charging/discharging cycles because these batteries do not generally achieve full capacity until 3-5 cycles.