Saturday, December 17, 2011

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Category: Kitchen
Brand: La Crosse Technology
Model: BC1000
Availability: FREE SHIPPING (USA)
List Price : N/A
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La Crosse Technology BC1000 Customer reviews


La Crosse Technology BC1000 Review by NLee the Engineer (Nashua, NH)

I purchased the La Crosse Technology BC1000 Alpha Power Battery Charger, not because I needed another advanced battery charger/analyzer (I already own the La Crosse BC-900, BC-700, BC-500 and the Maha MH-C9000), but because people kept asking me: "Is there any difference between BC-900/9009 and BC-1000?" So here it is, to put the issue to rest...

[Exterior]
Except for the color, the BC-1000 looks and feels EXACTLY the same as my old (circa 2006) BC-900. Even the boxes they came in have identical illustrations on them. Check out the customer images I uploaded to 'Customer Images' section and you'll see what I mean.

[Electrical Spec]
The specifications are EXACTLY the same for both chargers, namely:

- Operations: Charge, Discharge, Charge/Test, Discharge/Refresh
- Charging Current steps for 4 cells: 200mA (default), 500mA, 700mA, 1000mA
- Extra Current steps for 1-2 cells: 1500mA, 1800mA
- Acceptable battery capacity: 300-3000mAh (my previous testing showed the BC-900 can actually charge up to 3700mAh)

[AC Adapter]
Again, the two AC adapters looked identical except for the colors. Both are rated for 100-240V AC input, and 3V 4A output. There is, however, a small difference in their open-circuit output voltages. The BC-900's adapter measures 3.0V, while the one for BC-1000 measures 3.17V
Date code on the back of BC-1000 adapter says '4710', which means 47th week, or November of 2010,

[Firmware Version]
My old BC-900 has firmware version '33'. The new BC-1000 shows '37', which is the same version for BC-9009 sold since middle of 2010.
Note: firmware version is the number briefly displayed in the rightmost column, after you plug in your BC-900 or BC-1000.

[Quirks]
Sadly, the same limitations for BC-900/9009 are carried over to the BC-1000:

- If you put in a completely depleted cell (battery terminal voltage under 0.5V), the charger cannot recognize it and the display says 'null'
- If you were previously charging at 500mA, for example, you cannot subsequently increase the charging current for a new cell to higher than 500mA. You need to remove all cells in order to reset the maximum limit.

If I stopped my comparison right here, I would have concluded that the BC-1000 is nothing more than the BC-900/9009 with a cosmetic update. But wait, there's more to the story...

[Interior]
After I removed the base from my BC-1000 (by the way, don't do this unless you know what you're doing), I was surprised to find a very different printed circuit board inside. There are significantly more components on the BC-1000 board compared to that on the BC-900 (refer to my uploaded picture in 'Customer Images' section):

- The BC-900 has just one 'glop' covering the controller IC
- The BC-1000 has two 'glops' on its PCB, suggesting that there is an extra controller. Given the past history of 'meltdown' problem with BC-9009, the most likely function for this controller is to monitor temperature during charging.
- The BC-1000 also added four bulky thru-hole diodes ('B220' 2A 20V Schottky diode) on the PCB. Again, the most logical explanation is to burn off excessive power during charging, to prevent other surface mount components from over-heating and suffer a thermal runaway.


[Conclusion]
The BC-1000 may look exactly like the older BC-900 and BC-9009 from outside, but there is significant design overhaul that took place inside. Note that I cannot testify that BC-1000 has solved all thermal-related problems, because I have never witnessed any over-heating problem before. But as an engineer, I know that no company will accept a design change that ADDS cost to an existing product - unless it is absolutely required to fix a problem.

Assuming the alleged 'meltdown' problem is really solved, one question still remains: is the BC-1000 a better value than the Maha MH-C9000 (currently available in the same price range)? Personally, I think the user interface of BC-1000 is much better, but other people may disagree. So it comes down to whether you can make use of the bonus items (4xAA + 4xAAA cells, 4xC + 4xD-cell spacers) in this package. If you can use some of them and feel that they are worth paying $10 for, then go for the BC-1000. Otherwise, you may want to consider the BC-700 at half the cost.


La Crosse Technology BC1000 Review by Sandro Becker "Sandro Becker" (Salvador, BA BRAZIL)

I could revive my old bats. Just turn on, make a choise and it begins to work. Easy to use and good at all. I recomend this product.


La Crosse Technology BC1000 Review by Chad E. Cowan (Sequim, WA)

This is an excellent, though pricey, charger. Simply put, its does the job reliably for me, every single time, and with the confidence I have in La Cross' reputation -- my family has used their products for probably 20 years -- the decision to purchase it was easy.

I considered cheaper, less capable chargers (such as BC700, a good, basic charger), but after thorough research, decided that the old but annoying adage, "you get what you pay for," which doesn't always hold true of course -- is applicable here. I was tempted by the lower price of the BC700, for example, but decided I wanted the extra features, and upgraded internal electronics, of the BC1000 in lieu of the junior BC700. I was also swayed by the weight of NLee The Engineer's review of the BC700, where he implies that the BC700 is handicapped vis-a-vis the BC900/BC9009/BC1000. And since the BC1000 has more charging-rate headroom, the internal electronics are probably superior overall.

For a moment, I was also tempted by the Maha-brand charger. I use Maha's low self-discharge batteries(IMEDION/Power Ex), which greatly outperform Sanyo newer eneloops for my applications, so I'm partial to their brand), but felt the quirks in the Maha battery charger's interface would be palpable for my uses, and any potential quality difference wouldn't be palpable.

All in all, if you want the best of the best, my advice is to go with the BC1000. I can't imagine anyone being disappointed with this well conceived and engineered battery charger.

More Reviews...


La Crosse Technology Alpha Power Battery Charger, BC1000 Description


Introducing La Crosse Technology's BC1000 quintessential battery charger. Charging AA and AAA batteries simultaneously with separate cell displays the charger automatically defaults to 200ma charge giving you the most out of your battery's life. Charger has an overheat detection, so not to overcharge the battery power. LCD displays 4 different charging modes for each separate cell and detects a dead battery. Works for all NiCd and NiMH AA and AAA rechargeable batteries.Includes a sturdy nylon carrying tote with spacious inside double pockets and webbed sided sleeve with 4 AA and 4 AAA NiMH rechargeable batteries (shrink-wrapped) and AC power adapter. Located inside front zippered kangaroo pouch are individual pockets to carry the included 4 C size 1.2v battery adapters hidden inside 4 D size adapters.


  • Overheat detection to protect over-charging
  • Charges aa and aaa rechargeable batteries simultaneously
  • Select different charging current for each channel: charge, discharge, refresh, test; automatically switches to trickle charge when charging is complete to ensure maximum battery capacity
  • Select different charging current for each channel: charge, discharge, refresh, and test.
  • Automatically switches to trickle charge when charging is complete to ensure maximum battery capacity
  • LCD shows capacity for each battery when charging is complete
  • Works with all nicd and nimh "AA" and "AAA" rechargeable batteries; charges AA and AAA rechargeable batteries simultaneously
  • Works with all nicd and nimh "aa" and "aaa" rechargeable batteries
  • Item Dimensions: 3 x 2 x 5 inches; 2 pounds
  • Brand: La Crosse Technology
  • Model: BC1000
  • Product Type: Kitchen
...Read more...




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