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DELL R640C battery, Replacement for DELL R640C .
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- DELL R640C battery, R640C battery
- Type: Li-ion, Volt: 11.1V, Capacity: 4900mAh, Color: Metallic Grey
- Dimensions:210.00 x 68.50 x 23.10mm, Weight:380.9g
- Brand New with
1 Year Warranty!
- Our Price: £41.36 (inc. VAT)
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DELL R640C part no. and models:
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| DELL R640C battery can replace the following part numbers: |
- • DELL
- 00009
- 312-0864
- 451-10644
- 453-10069
- F586J
- R331H
- R640C
- R841C
- W343C
- W346C
- X784C
- Y082C
- Y084C
- Y085C
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| DELL R640C battery is also compatible with the following models: |
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| Replacement R640C Battery Description 1. Brand New, 100% compatible with Original DELL R640C Battery.
2. DELL R640C Battery is a Li-ion battery.
3. DELL R640C battery use the highest quality cells from Japan.
4. We offer DELL R640C battery at the factory price.
5. Memory effect : No memory effect with R640C battery.
6. High quality and rechargeable ( between 400 to 600 charge-discharge cycle).
7. Condition: 30 Days Money Back and 1 Year Extended Warranty for DELL R640C. |
| Warranty: |
| We warrant that the products sold in our website are 100% brand new and free from defects in material and workmanship - We never sell used or refurbished DELL R640C battery. |
| 30 Days Money Back. |
| Secure Shopping Guarantee: |
Shopping with us is safe and secure. None of our customers have ever reported fraudulent use of their credit cards as a result of shopping with us. You can be assured that the information you give us is confidential. We do not sell, rent or share information of our customers with other parties.
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How To Store DELL R640C Battery?
Keep DELL R640C battery in a cool and dry storage area. Refrigeration is recommended but freezers should be avoided. When refrigerated, the R640C battery should be placed in a plastic bag to protect against condensation.
Do not fully charge lithium and nickel-based batteries before storage. Keep them partially charged and apply a full charge before use. Store lithium-ion at about 40% state-of-charge (3.75-3.80V/cell open terminal). Lead-acid batteries must be stored fully charged.
Do not store lithium-ion fully depleted. If empty, charge for about 30 minutes before storage. Self-discharge on a depleted R640C battery may cause the protection circuit to trip, preventing a recharge.
Do not stockpile li-ion batteries; avoid buying dated stock, even if offered at a reduced price. Observe the manufacturing date, if available.
Never leave a nickel-based battery sitting on a charger for more than a few days. Prolonged trickle charge causes crystalline formation (memory).
Always store a lead acid battery in full-charge condition. Observe the open terminal voltage and recharge the DELL R640C battery every 6 months or as recommended by the manufacturer. |
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