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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🔋 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.

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.