What do I need to be aware of when I receive a battery?

You need to check its appearance, confirm the model, read the instruction manual. Cycle and charge it 5 to 6 times to activate the maximum usage space of the battery. When not in use temporarily, charge the battery to 50%-60%.

What should I do if laptop won't boot up after installing a new battery?

1.Check if the battery is properly seated and connections are clean. 2.Try charging it or use the adapter alone to start. 3.Examine hardware links, like RAM and adapters. 4.Reset BIOS settings if needed. 5.Enter Safe Mode to fix system issues.

How should I do if the battery is not recognised?

If it is not recognised, it is recommended to update the BIOS settings or please disconnecting the old battery, and holding down the power button for 20 seconds, then connect the new battery.

What should I do if the battery expands?

1.Power off your laptop and disconnect it from any power source. 2.Carefully remove the swollen battery from the laptop in a well-ventilated area, avoid pressing or squeezing the battery during removal.

What can you do if you are not satisfied with the battery?

Please Contact ZTHY, we'll help you. Our battery have 12 months replace a new one and 30 days moeny back guarrante.

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描述

🔋 Power up your Dell with confidence — never miss a beat!

SMART BATTERY CARE - Optimized charging cycles and usage tips maximize battery lifespan and safety
ENDURING BATTERY LIFE - Up to 500 recharge cycles means your laptop stays powered for years to come
PERFECT COMPATIBILITY - Seamlessly replaces multiple Dell Latitude 14/15 and Precision 15 models with exact fit
POWER THROUGH YOUR WORKDAY - 63Wh capacity ensures long-lasting productivity without constant recharging
RELIABLE VOLTAGE STABILITY - 15.2V output delivers consistent performance for demanding Dell Latitude & Precision laptops

The ZTHY 63Wh RJ40G Laptop Battery Replacement is a brand-new Li-ion battery designed specifically for Dell Latitude 14 5420, Latitude 15 5520, and Precision 15 3560 series. Delivering 15.2V and 3941mAh capacity, it supports up to 500 recharge cycles, ensuring reliable, long-lasting power. Compatible with multiple Dell part numbers, this battery offers a perfect fit and optimized performance, backed by smart usage guidelines to extend battery life and maintain safety.