Lenovo Thinkpad E40 E420 T420 T520 W520 W530i, SL410K T410i T420 E520 T510 E50 Laptop Battery
Lenovo Thinkpad E40 E420 T420 T520 W520 W530i, SL410K T410i T420 E520 T510 E50 Laptop Battery
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๐ย Laptop Battery for Lenovo ThinkPad E40, E420, T420, T520, W520, SL410K, T410i, E520, T510, E50
Bring your Lenovo ThinkPad back to life with this high-quality replacement battery, compatible with a wide range of ThinkPad models including T-series, W-series, E-series, and SL-series laptops. Whether you're a professional or student, this battery delivers dependable performance and long-lasting power.
โ๏ธ Specifications
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Battery Type: Lithium-Ion (Li-ion)
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Voltage: 10.8V
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Capacity: 4400mAh / 48Wh
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Number of Cells: 6 Cell
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Color: Black
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Recharge Cycles: 500+
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Condition: Brand New / Grade A
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Certifications: CE, FCC, RoHS, UN38.3
๐ป Compatible Lenovo ThinkPad Models
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T Series:
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T410 / T410i / T420 / T510 / T520
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W Series:
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W510 / W520 / W530i
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E Series:
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E40 / E420 / E50 / E520
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SL Series:
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SL410 / SL410K / SL510
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๐งฉ Compatible Part Numbers
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42T4799
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42T4781
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42T4753
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42T4785
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42T4789
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42T4791
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42T4798
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ASM & FRU variants for listed models
โญ Key Features & Advantages
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โ OEM-Grade Replacement โ Matches or exceeds original performance
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๐ 4โ6 Hours Runtime โ Ideal for meetings, travel, or remote work
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โก Fast Charging Support โ Recharges fully in under 3 hours
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๐ Safety First โ Equipped with overcharge, overheat, and short-circuit protection
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๐ Stable Power Output โ No drops or fluctuations during use
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๐ฑ Eco-Friendly Manufacturing โ RoHS-compliant, lead-free design
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๐ Global Standards Compliance
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CE / FCC / RoHS
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UN38.3 Certified
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ISO 9001 & 14001
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๐ผ Why Choose This Battery?
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๐ Perfect for Replacing Old or Faulty Batteries
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๐ก๏ธ Tested for Longevity and Reliability
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๐ฆ Ready-to-Ship Across the UAE
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๐ผ Ideal for Business, Students, & IT Professionals
๐ง Battery Care Tips
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๐ Keep charge between 20% โ 80% for optimal lifespan
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๐ก๏ธ Avoid high heat or freezing conditions
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๐ Unplug once fully charged to prevent trickle damage
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๐ Calibrate monthly (full discharge + recharge)
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๐ก Enable power saving mode when on battery
โ FAQs
Q1: How do I confirm compatibility with my ThinkPad?
Match your laptop model and battery part number with the list above or check your existing battery's label.
Q2: How long does the battery last per charge?
Typically 4โ6 hours, depending on system usage and configuration.
Q3: Is this battery brand new?
Yes, it is 100% brand new, unused, and quality tested before shipping.
Q4: Is this safe to travel with?
Absolutely! It's UN38.3 certified, making it safe for airline travel.
Q5: Can I replace the battery myself?
Yes, installation is easy and does not require tools or technical skills.
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