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(More customer reviews)The Ray-O-Vac LD715 Hybrid Rechargeable Battery was first introduced around beginning of 2007. I have tested those back then (see my review for Rayovac Hybrid 8-Pack), and found them to compare favorably against the Sanyo Eneloop.
Unfortunately, Rayovac seems to have discontinued its 'Hybrid' series, and have replaced it with two new product lines:
- LD715-4OP 'Pre-Charged' AA, and
- PL715-4 'Platinum' Pre-Charged LSD AA
The 'OP' (Opening Price) series is typically sold at a cheaper price in places like W*mart. But its rated capacity is very low at just 1400mAh (tested capacity is slightly higher at around 1500mAh). So it is not a good deal.
The 'Platinum' series is rated for 2100mAh, which is identical to that for the old Hybrid AA cell. I have tested both, and found their capacity ratings to be accurate. But the rated lifespan for Platinum is only 275 cycles, compared to 500 cycles for Hybrid. Furthermore, its measured self-discharge rate is also worse than that of the Hybrid. After sitting on the shelf for less than 4 months (115 days to be exact), the Platinum AA retained 83% of its original charge. In comparison, the old Hybrid can retain at least 85% even after 5 months in storage.
There is also a 'Rayovac 4.0' series which has been discontinued (but still available for now). According to my own observations, it is just the same Hybrid series in shiny wrappers.
As of this writing, the old Rayovac Hybrid can often be bought for significantly lower cost than the new Rayovac Platinum (shop around for the best price). This makes the Hybrid a much better value. But if you are looking for the best quality in low-self-discharge battery, I still recommend the Sanyo eneloop.
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Unique Hybrid features: Batteries good for high drain electronic devices, charged and ready to use right out of the package. Maintains charge for 1 year. Can be recharged up to 1550 times. No. LD715 4: 4 ''AA'' No. LD724 4: 4 ''AAA''
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