Average Reviews:
(More customer reviews)The "Tenergy Speedy Box" (aka "Ni-Cd & Ni-MH Computer Controlled Smart Charger" Model BC-1HU) is, as of this writing, the best (and one of the fastest) smart chargers I've owned yet.
Likes:
* CAPACITY: it has 2 groups of charging bays. The first (located in it's upper right corner) can handle two 9v batteries. The second (under it's silver lid) can handle 4 of any combination of the following types: AAA, AA, C, D. The charger can handle both NiCad and NiMHi.
* ERGONOMICS: There's no need to toggle any switches in order to handle different types of batteries ... the charger's CPU automatically detects the size and type (NiCad or NiMHi) of any given battery placed into any individual charging slot, and it automatically adjusts the charging curve for that slot to the optimum method ... and you can mix and match different types of batteries in different cells, and it will individually charge and monitor each one independantly.
* SPEED: Because this charger is truly 'smart', it can quickly sense when a battery has reached full charge and switch that one battery to standby (the LED for that battery will change from Red to Green) ... which really helps extend battery life by avoiding unnecessary overcharging (esp when the power blinks and would otherwise trigger another full charging pass in many older 'dumb' chargers). The only battery type that takes an unusually long time is the 9v, but that's probably true of all chargers.
NITS:
* I wish the two 9v charging slots each had their own individual charge status LED (like the other 4 slots in the main bay do). Other than that, I'm very happy with this unit. Waxing philosophical for a moment - it'd be nice if someone would make a true "universal" charger that could also handle things like IPods, Cellphones, Car Batteries, etc. (each whith they own connecting adaptor), but that sort of technology convergence is still a ways off in the future.
Highly recommended - I've owned mine since early 2006.
Addendum: Tenergy 2600 mAh AA batteries are great too. They have very good capacity and lifespan. I use them in everything that can handle the slightly decreased voltage inherent in rechargeables. This charger, and my batteries, have already paid for themselves several times over. Newer users will reach their break-even point even faster than I did, because this charger's price is now (as of this writing) less than half what it cost me when it first came out.
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Best Combo: BC1HU Universal Smart Fast Charger with Tenergy 68-cell package (24AA/24AAA/8C/8D/4 9V)Charger * Powered by an external AC adapter * Intelligent microprocessor controlled * With negative delta V (- delta V) cut-off function for better life time battery performance * Use constant current pulse charging system * Each charging group is individual programmable in its function * Recharges batteries in all capacities - 1 to 4pcs AAA, AA, C, D and 1 to 2pcs 9V * Ni-MH and Ni-Cd batteries can be mixed to charge at the same time * Recharges batteries in single or group * Automatic charge and discharge function * Automatic charge/discharge current selection for the different size of batteries * Identification of defective cells * Over temperature and short circuit protection * With protection against wrong polarity * Individual LED to indicate discharge, fast charge and trickle charge * With maximum charging timer control for overcharge protection * Charging time for different types of empty batteries: * Packing: Each in a gift boxHigh Capacity Rechargeable Batteries * High quality AA/AAA/C/D/9V size high capacity nickel hydride metal (NiMH) rechargeable batteries * Super long running time with high capacity: AA (2600mAh), AAA (1000mAh), C (5000 mAh), D (10000 mAh), 9V (250mAh) * Battery economic package provides huge saving and for all your battery needs * Very long life time means thousands of dollars in savings by eliminating the need to buy hundreds of throw away Alkaline batteries. A similar throw away battery package like this would cost you $15- $20, but they can be used only once. * Exact replacement for standard AA/AAA/C/D/9V size batteries and NiCd rechargeable batteries * Convenient operation due to that advantage that NiMH batteries have no memory effect. Can be charged anytime * Can be rapidly charged with smart chargers and universal chargers * Battery tested based on International Electronic Commission (IEC) standard to ensure capacity, quality and life time
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