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Author Archives: batt
VRLA batteries
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Valve Regulated Lead Acid Battery(VRLA) 2V,6V,12V. used for Telecom Power System,Solar power system,UPS,motorcycle. factory specialize in this field for about twenty years with many models,best quality and competitive price.The certificates of CE,UL and ISO have been achieved. Sam Hu Sales Manager Coopower Battery Industrial Co., Ltd Add:801-805, Block B, Guohong Bldg, Longhua, Shenzhen, China
Laptop batteries
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The duration for which a laptop can be operated on a battery depends on a number of factors such as 1. Screen size – laptops with 15.6″ screens consume more power than netbooks with 10 ” screen 2. CPU used 3. Display settings – whether power saving has been enabled. 4. Number of cells in [...]
Batteries in clocks
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Most clocks are designed to work with one or two standard Alkaline batteries . Typical specifications of these batteries are: LR6 Size AA Voltage : 1.5V Using rechargeable batteries may be cost effective in the long term. However, the rechargeable NiMh batteries available do not usually fit into the slot in most clock models, so [...]
AAA Battery charging
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The usage of AAA batteries in various appliances is increasing due to their compact size. Manufacturers of rechargeable batteries specify the time taken for charging the batteries based on the charging current. For example for Vipow Ni Mh AAAA 1000 mAh 1.2V rechargeable batteries, the standard charging time is 15 hours at 100 mA. For [...]
Sony battery charger with LCD display
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With most standard battery chargers, you do not get an indication of the time taken for the charging to be completed. This Sony battery charger provides a visual indication of the charge level in the batteries being used.
Voltage levels
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Most AA & AAA battery operated devices require a minimum voltage before they can operate properly. This voltage level is usually 1.25 V , though it can vary depending on the type and make of battery.
Battery vs AC powered devices
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Batteries vs AC power Most electrical devices are either powered by batteries or ac power. Both options have their advantages and disadvantages Batteries: The device is portable Less problem of loose connection Disadvantages If non-rechargeable batteries are used, running costs can be high the torque for battery powered devices is sometimes lower than that of [...]
Battery self discharge
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One of the main disadvantages of most rechargeable NiMh and NiCd batteries available today, over standard alkaline batteries is the high self discharge rates. If you charge rechargeable batteries to their full capacity and then use them after a month, you will often find that the batteries are drained. These batteries have to be charged again before they [...]
Battery charger with display
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Shows the voltage, current levels and the status of the charging. Can be used for AA and AAA rechargeable batteries.
Digital battery tester
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Digital battery tester Can be used for checking a range of batteries, used to check if batteries are pre charged.