LENOVO FRU_42T4751 | 10.8V/6cells 6700mAh/72WH Laptop Batteries

Lenovo 10.8V/6cells 6700mAh/72WH FRU_42T4751 Replacement Battery For Lenovo E40 E420 SL410K T410i T420 E520 W520 Free Shipping to Singapore

SGD $109.89
Quantity:

Note:Packages usually ship within 24/48 hours of receiving your payment!


Availability In Stock
Model FRU_42T4751
Capacity 6700mAh/72WH
Voltage 10.8V/6cells
Type Li-ion
Color Black
Size -
Warranty 12‑month limited warranty · 30‑day return policy
Shipping Shipping to Singapore: 7–10 business days

FRU_42T4751 Batteries are also suitable for:
Lenovo T430 E40 T410 T510 T420 E50 E520 T430i

LENOVO FRU_42T4751 Battery Compatibility

Replacement Part Numbers:

Compatible Models:

Lenovo ThinkPad T420 T420i T430 T430i T510
ThinkPad E40 ThinkPad E50 ThinkPad Edge 0578-47B
ThinkPad Edge 14inch ThinkPad Edge 14inch 05787UJ ThinkPad Edge 14inch 05787VJ
ThinkPad Edge 14inch 05787WJ ThinkPad Edge 14inch 05787XJ
ThinkPad Edge 14inch 05787YJ
ThinkPad Edge 15inch ThinkPad L410 ThinkPad L412
ThinkPad L420 ThinkPad L421 ThinkPad L510
ThinkPad L512 ThinkPad L520 ThinkPad SL410 2842
ThinkPad SL410 2874 ThinkPad SL410 Series ThinkPad SL410k 2842
ThinkPad SL510 2847 ThinkPad SL510 2875 ThinkPad SL510 Series
ThinkPad T410 ThinkPad T410i ThinkPad T420
ThinkPad T510 ThinkPad T510i ThinkPad T520
ThinkPad T520i ThinkPad W510 ThinkPad W520

* Please make sure that the replacement battery you are buying is suitable for your device brand and model.

How to confirm your battery model?

  • Check the model number printed on your original battery label.
  • Match the battery model with the compatibility list shown on this page.
  • Verify your exact model name/number in the device settings or on the back cover.
  • Ensure the voltage and connector type are the same as your original battery.
  • If you are unsure, feel free to contact us with your device model for confirmation.

Installation notes

  • Ensure your device model matches the battery label before purchase.
  • Installation is straightforward and requires no special tools.
  • Use only compatible LENOVO chargers or certified accessories.
  • Follow standard safety procedures when replacing the battery.

Our Guarantee for LENOVO FRU_42T4751 Battery

  • Brand‑new replacement battery for reliable daily performance.
  • Tested for stable output and consistent power delivery.
  • Designed for long cycle life and dependable usage.
  • Secure packaging and safe delivery to Singapore.
  • 12‑month warranty with 30‑day return policy.
  • 100% compatible Lenovo E40 E420 SL410K T410i T420 E520 W520

Product Features:

✅ 100% compatible with original equipment — easy installation and stable performance.

✅ Built-in overvoltage protection circuit to prevent damage to your device.

✅ Strictly tested during production to ensure top performance and reliability.

✅ Perfect replacement for the original part — same fit, same function.

Why Do LENOVO FRU_42T4751 Laptop Batteries Deteriorate?

LENOVO laptops feature lithium-ion batteries renowned for their efficiency and long-lasting power. Over time, repeated charging and discharging cycles gradually reduce their ability to hold a charge. This decline is influenced by factors such as frequent charging, heat exposure, and usage intensity, all of which contribute to the natural reduction in battery performance.

Laptop Battery FAQs

  • Is this battery compatible with my laptop?
    Please check the battery model number on your original battery or confirm your laptop’s exact model. Compatibility must match the list shown on this page.
  • Is the battery brand‑new and safe to use?
    Yes, all batteries are brand‑new and include overcharge, short‑circuit, and temperature protection.
  • Do I need a technician to install the battery?
    For internal batteries, professional installation is recommended. Improper installation may damage the device.
  • Will I receive a tracking number?
    Yes, a tracking number will be emailed to you the day after your order is shipped.
  • Why does my laptop drain quickly after installing a new battery?
    A new battery may require several charge cycles to reach optimal performance.
  • What if the battery doesn’t fit or is incompatible?
    Please contact us with your laptop model. If incompatible, you may return it within 30 days.

View more battery specifications & guide For LENOVO FRU_42T4751

LENOVO FRU_42T4751 Battery Technical Specifications

Model FRU_42T4751
Battery Condition Brand New Replacement Battery
Item Code LEN19I805_1
Category Laptop Batteries
Brand LENOVO
Capacity 6700mAh/72WH
Voltage 10.8V/6cells
Type Li-ion
Color Black
Applies to Lenovo E40 E420 SL410K T410i T420 E520 W520
Certification Passed CE, UL, ROHS, ISO 9001/9002 and GS certification
Service Buy now, we promise a one-year warranty and 30-day returns

Why order batteries from us?

① Expert in the field of batteries for 15 years.

② Large selection, almost all available products are in stock.

③ Tested and checked by competent professionals, careful packaging.

④ Best prices & fast delivery & One year warranty & Safe purchase and payment.

⑤ Perfect after-sales service.

Delivery

  • All orders come with free shipping and no minimum purchase requirement.
  • In‑stock items are dispatched within 1–2 business days.
  • You will receive a tracking number by email the day after your parcel is shipped.
  • Delivery to Singapore typically takes 7–10 business days, depending on customs clearance and local delivery progress.
  • Public holidays, customs inspections, or unforeseen delays may affect delivery times.
  • Please ensure your shipping address is complete and accurate. We are not responsible for delays or returns caused by incorrect or incomplete address information.

Methods of payment

Paypal

Secure payment: Your credit card details are encrypted using the SSL (Secure Socket Layer) protocol and are never transmitted unencrypted over the network.

Accept payments through PayPal

PayPal has become one of the largest payment service providers in the world, comparable to Visa and MasterCard. With PayPal, you can accept credit cards as well as PayPal's own payment method.

It's a fast and secure way for customers to pay online via all major debit and credit cards, online bank transfers and via PayPal account holder payments. Customers don't even need a PayPal account to pay with PayPal.

Guarantee

Quality and safety: This LENOVO FRU_42T4751 battery contains advanced electronic components and has been tested according to strict CE standards. The LENOVO FRU_42T4751 battery contains a chip that prevents overcharging and short circuiting. On top of that the LENOVO FRU_42T4751 batteries are made from good quality cells which do not suffer from a 'memory effect'.

Assurance and warranty: LENOVO FRU_42T4751 purchased in our store are guaranteed for 12 months. Satisfied Refunded 30 days.

Shipped Direct from the Factory: Shopbatterypc.com ships its items almost directly from the factory, so you are sure to receive a brand new, full capacity battery!

Tips for using your battery safely

  1. Use the correct charger — Always use the charger recommended by the manufacturer to avoid overheating or damage.
  2. Avoid overcharging — Disconnect the battery once fully charged to extend its lifespan.
  3. Keep away from extreme temperatures — Do not expose the battery to direct sunlight, fire, or freezing conditions.
  4. Protect from moisture — Keep the battery dry and avoid contact with water or other liquids.
  5. Do not disassemble or puncture — Tampering with the battery may cause leakage, fire, or explosion.
  6. Dispose responsibly — Follow local regulations for battery recycling or disposal to protect the environment.