Charger Types
Most Popular Charger Models Cycle Use
Charge Time and Recommended Battery Charger Methods
Timer Type Battery Chargers
The battery is repeatedly charged then recharged after use ( Discharged). It is the most common method of battery charging.
Standby Use:
Power is usually supplied to the load from an AC source, and the battery is used to maintain the power supply to the load if the AC source is cut due to black outs or other such event
Cycle (Repeated) Use 1 to 2 hours -DV cut-off charge
dT/dt cut-off charge
Timer controlled charge:6 to 8 hours
Semi-constant current charge: 15 hours
Trickle charge: Standby Use-30 hours or longer
Cautions
- If the charge conditions are not appropriate, not only will the battery be unable to perform fully, but also it may have a decrease in its service life and in extreme cases may cause damage to the appliance due to electrolyte leakage, etc. Take into consideration the type of battery, discharge state, charge current and ambient temperature when selecting the appropriate method of charging.
- As the cell temperature and voltage behavior vary depending on the shape, cell number and cell arrangement of the pack, please contact us concerning the charge control value. Also, Ni-Cd batteries and Nickel Metal Hydride batteries can be used together in the same device, but please contact us concerning the charge control value.
- Shavers
- Standard rechargeable batteries
- Digital cordless phones
- Toys
- Notebook computers
- Hand held monitors
- Wireless equipment
- Cellular phone
- Test equipment
- Digital Cameras
- Hand held Games
"SMART " Chargers:
Charge System: Cycle (Repeated) Semi-constant current charge
Timer controlled charge , with built in charger/discharge circuits
Circuited to "Sense": VB: Battery Voltage
Circuited to "Sense": Charge Current
Circuited to "Sense": Battery Temperature
Cautions: Best type battery charger.
Application Examples;
- Shavers
- Standard rechargeable batteries
- Digital cordless phones
- Toys
- Notebook computers
- Hand held monitors
- Wireless equipment
- Cellular phone
- Test equipment
- Digital Cameras
- Hand held Games
Smart Charger with out Auto Shut-Off
- Simple and economical
- More reliable than Semi-constant current charge system
- No. of Output Terminals 2 or 4
Constant current for 15 hours, then switchs to "Trickle Charge" for 6 to 8 hours
Charge Current: 0.1ItmA 0.2ItmA
Trickle Current: 1/20 1/30ItmA
Charge Level at Charge Control: approx. 120%
Application Examples;
- Shavers
- Standard rechargeable batteries
- Digital cordless phones
- Toys
- Notebook computers
- Hand held monitors
- Wireless equipment
- Cellular phone
- Test equipment
- Digital Cameras
- Hand held Games
Most Popular Charger Models
"Quick Chargers"
- Charging circuit costs more than the others but overcharge can be avoided enabling longer cycle life than -DV charge method
- No. of Output Terminals: 2-3
- Charge Time-1 to 2 hours
- Charge Current: 0.5 to 1ItmA 0.5 to 1ItmA
Application Example:
- Notebook computers
- Hand held Monitors
- VCRs
- Wireless equipment
- Cellular phones
- Power tools
- Electric saws
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