Sony Cycle Energy Power Charger with 4 2500 mAh AA Batteries

Sony Cycle Energy Power Charger with 4 2500 mAh AA Batteries
by Sony Batteries

Sony Cycle Energy Power Charger with 4 2500 mAh AA Batteries
List Price: $24.99
Our Price: $12.99
You Save: $12.00 (48%)
Availability: Usually ships in 1-2 business days
Category: CE
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Customers in the UK, Buy this product at amazon.co.uk for British Pounds

Digital Photo Product Details

Manufacturer: Sony Batteries
Audio: English (Original Language)
Model: BCG-34HLD4
Product features:
  • Simple and economic Sony battery charger
  • Charges up to 4 AA or AAA NiMH batteries
  • Compact design and worldwide voltage capability perfect for travelers
  • Includes 4 high-capacity NiMH AA batteries
  • Compact size and worldwide voltage capacity allow for easy charging anywhere
  • Charges up to 4 AA or AAA Ni-MH batteries
  • Includes 4 high capacity Ni-MH AA batteries
Accessories:

Digital Cameras Photo Reviews of Sony Cycle Energy Power Charger with 4 2500 mAh AA Batteries

Customer Review: Charger getting better, batteries same old same old
Summary: 3 Stars

SONY has updated this package ("Sony Cycle Energy Power Charger with 4 2500 mAh AA Batteries") recently. It now looks quite different from what was once shown on the Amazon product description page. For example, the old charger is silver in color, while the new charger is white. But beside colors, they looked almost identical, and even share the same model number (BCG34HLD). So is this really a new and improved model, or just a simple cosmetic update?

According to all the older Amazon spotlight reviews, the old model is a timer-based dumb charger. I'm happy to report that this is no longer the case. The new model is actually a 'smart' charger, meaning that it monitors each battery's voltage independently during charging, and stops when each cell is fully charged. In fact, it is very nicely designed for such a value-priced charger. Here are some things I like about this charger:

+ Charges 1-4 AA/AAA cells individually - no need to charge in pairs
+ Compact, one-piece design with fold-down AC plugs - no need for power cords or wall adapters.
+ Low-profile (just 1.1" thick) so it fits in camera bags easily.
+ Accepts 100-240V universal voltage.
+ Bad cell detection - indicator light flashes in case the resistance is too high (alkaline cell).

The average charging current is 360mA for each AA cell (actually 1.44A pulsed at 25% duty cycle), 140mA for AAA cell. That means it takes about 7-8 hours to fully recharge 2500mAh AA cells.

The included four SONY AA batteries, however, appear to be just the same old 2500mAh cells with a new shiny wrapper. This is very disappointing, because that means they will also suffer from rapid self-discharge problem after just a few cycles. So you always have to recharge those batteries the night before you need to use them (remember this is a slow charger). Keeping a set of batteries in the charger does not help, because this charger does not maintain a trickle charge after charging is done.

If you like this charger but don't want to take chances with those 2500mAh batteries, my recommendation is to get the "Sony Cycle Energy BCG34HLD4KN Power Charger with 4 Pre-Charged 2000 mAh AA Batteries" package instead. It contains the same BCG34HLD charger, but comes with four low-self-discharge cells similar to SANYO eneloop. It is even priced a few dollars lower as of this writing.

Description of Sony Cycle Energy Power Charger with 4 2500 mAh AA Batteries

A great alternative to disposables, Sony 2500mAh rechargeable batteries last up to five times longer than standard alkaline batteries. The supplied charger features worldwide voltage compatibility, flip down plug, automatic charge cut-off timer, alkaline battery detection and charges up to four AA or AAA batteries. Additionally, the four included AA Nickel-Metal Hydride (NiMH) batteries can be recharged up to 300 times.

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