battery charger is designed to have unmatched safety for protecting users from shock and other hazards when used as directed. Accordingly, it is important for users to read the following instructions carefully.
•Do not charge
•Remove all batteries from the charger before plugging in AC/DC adapter.
•Make sure battery contacts are clean and there is no debris in the charger.
•Do not
•Use only with Dell 70W or 90W AC/DC adapter, or the AC/DC adapter provided with this charger(optional).
•Put the battery tightly into the battery station to ensure a good connection.
•Observe the charging status LED and stop servicing immediately if it shows error signal (refer to the section 3.3).
•Always store the charger in a cool and dry area.
3. Operation
3.1.To power the charger, connect the DC tip of the AC adapter to the socket on the back of the charger, then plug the AC connector of the adapter into a properly grounded outlet. The battery charger is ready to use.
3.2.Insert a battery pack into either bay.
The battery’s charging time will vary according to its charge status and WHr capacity.
3.3. LED Status
State | LED signal | Meaning |
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Charging | Red | Charging |
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Fully charged | Green | Charging complete |
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Under Voltage Fault | Red blinking | Pack voltage < 10.0 V |
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Over Temperature Fault | Red blinking | Pack temperature >117.5˚F(47.5˚C) |
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Constant charging | Red blinking | Constant charging time > |
time Fault |
| 120 minutes |
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Note: When the LED is red blinking, the internal circuit automatically stops the charging process.
For safety purpose, remove the battery from the charger bay and disconnect the DC power source from the charger. The red blinking LED indicates that the battery is faulty or excessively
4. Certification
The battery charger is manufactured to comply with part 15 of the FCC Rules.
5. Specifications
Charging Rate: 2.6A Max.
Charging Time: 1.5~2.5 hours for two batteries
Power Requirement: Dell 70W, 90 W AC/DC adapter
Operating Temperature: 32~104˚F ( 0 ~ 40˚C)
Protection for Safety:
Dimensions: 6.7 x 4.7x 2.2 (inch) or 170 x 120 x 55 (mm)