Note: 15.2V and 15.4V are compatible, they are in common use.

Acer Predator HELIOS 300 PH317-56-78SM replacement laptop battery is made with high-quality Grade A battery cells from Samsung or Panasonic to ensure long runtime and long life. Under multiple protection of specially-designed circuit, this replacement battery ensures maximum security. The Acer Predator HELIOS 300 PH317-56-78SM battery part is made of non-flammable and durable plastic, which guarantees flame-retardant property and avoids damage when the battery falls from low altitude. This long life Acer Predator HELIOS 300 PH317-56-78SM notebook battery lets you work seamlessly on the move for business trips or vacations.

Through the tests, all the Li-ion replacement batteries for Acer Predator HELIOS 300 PH317-56-78SM laptop have been certified to meet and even exceed the original battery performance. Besides, they are totally compatible with the original manufacturer's specifications. Each replacement battery for Acer Predator HELIOS 300 PH317-56-78SM laptop has been tested and verified by the Acer Predator HELIOS 300 PH317-56-78SM system to ensure the safety of your Acer Predator HELIOS 300 PH317-56-78SM laptop.

Thank you for purchasing this high-quality Acer Predator HELIOS 300 PH317-56-78SM battery at AcerLatopBattery.net. We have a rigorous testing process to ensure that your order (e.g. Acer Predator HELIOS 300 PH317-56-78SM laptop battery) is perfectly functional before packaging and sending it to you. Before placing an order, please make sure that the part number of your original Acer Predator HELIOS 300 PH317-56-78SM battery is listed as below and owns the same shape as our battery image (please see the larger image for details)

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Compatible Acer Laptop Models

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Warranty

1-Year Warranty
All our high-quality replacement batteries for Acer Predator HELIOS 300 PH317-56-78SM notebook come with a 1-year warranty. Warranty is applicable if the buyer has installed the battery properly in the device and has treated the battery correctly.

30-Day Money Back Guarantee
Our goal is to turn customer satisfaction into ‘Complete Customer Satisfaction’. That's why we offer you a 30-day money back guarantee, on top of our warranty and RMA procedure for defects!
Please note: in order to qualify to get your money back, you must first contact us and await instructions before sending back your product.

Returns

If you have a problem with one battery which bought from us, please contact us first. We will process your request and try to find a solution to your problem. If the problem cannot be fixed by our technical support engineer, we will generate an RMA number (Return Material Authorization) for you. If inspection concludes that the returned battery is defective, a new battery will be shipped out without extra charge.
Please note: we cannot process returned batteries if you have not yet received an RMA number.

FAQs

Q: How do I check if this battery is compatible with my laptop?

A: First, find out the part number of your old battery or the model name of the laptop (e.g. "Acer Predator HELIOS 300 PH317-56-78SM") and then match with our product compatibility chart. Second, please compare the old battery with our product image to make sure their shapes are the same. Finally, check that the voltage (rating) is the same as your old battery. More details please click How to find one correct battery for my laptop?

Q: Is your replacement Acer Predator HELIOS 300 PH317-56-78SM battery compatible with my original Acer Predator HELIOS 300 PH317-56-78SM battery?

A: 100% OEM compatible to ensure compliance with your original Acer Predator HELIOS 300 PH317-56-78SM battery specifications (including the same size and high quality). All of our batteries for Acer Predator HELIOS 300 PH317-56-78SM laptops have passed international certification( CE, UL, ROHS, ISO9001/9002 ).

Q: How do I use a new battery for Acer Predator HELIOS 300 PH317-56-78SM for the first time?

A: The new Acer Predator HELIOS 300 PH317-56-78SM battery pack is usually shipped in a partially charged state. Please charge fully the new Acer Predator HELIOS 300 PH317-56-78SM battery pack and discharge it for 3-5 times to fully activate the battery to the maximum rated capacity.

Q: How to remove, replace, install and upgrade your Acer Predator HELIOS 300 PH317-56-78SM replacement battery?

A: 1. Turn your Acer Predator HELIOS 300 PH317-56-78SM laptop over.
2. Find the battery release button on your Acer Predator HELIOS 300 PH317-56-78SM laptop.
3. Now your Acer Predator HELIOS 300 PH317-56-78SM replacement battery is unlocked and find the battery release button.
4. Press the laptop battery release button and gently pull the battery out of the notebook.
5. Now that your Acer Predator HELIOS 300 PH317-56-78SM battery has been removed, please purchase a new Acer Predator HELIOS 300 PH317-56-78SM battery for the replacement install.
6. Insert the battery into the slot. Push the Acer Predator HELIOS 300 PH317-56-78SM battery to the laptop and secure it in place.

High Quality Acer Predator HELIOS 300 PH317-56-78SM replacement laptop battery [4 cells 90Wh 15.4V]