Note : 3.7V and 3.85V are compatible, they are in common use.

Buy with confidence! Our Website is your source for high quality Olympus batteries. This brand new 2.2Wh(1 cells) replacement Olympus Μ840 Li-ion battery is made with high quality cells from Samsung. Each replacement battery for Olympus Μ840 has been tested on the Olympus system before being dispatched and is 100% compatible with the original manufacturer's specification. When you buy our replacement Olympus Μ840 battery, you're buying trust!

Safety and Excellence Features of Our Replacement Olympus Μ840 batteries:
1. No memory effect, fast charge
2. Smart internal circuit board and Low power consumption IC design
3. Tested with strict quality control standards and meet or surpass OEM specifications
4. Certified by CE, UL, ROHS, ISO9001/9002
5. Cell-unbalanced-shut-off protection
6. Over-charge protection and Over-discharge protection
7. Over-heat protection
8. Over-current protection
9. Short-circuit protection
10.High capacity circulatory function (about 600-800 cycles)

Welcome your patronage and thank you for purchasing this high quality replacement Olympus Μ840 battery at Laptopbattery.com.sg! Before placing an order, please make sure that the part number of your old Olympus Μ840 battery is listed as below and has the same shape as our replacement Μ840 battery's images (please view the larger images for details).

Product Larger Images

Compatible Olympus Part Numbers

Compatible Olympus Models

Shipping Methods

Payment Methods

Warranty

1-Year Warranty
All our high quality replacement batteries for Olympus Μ840 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 for 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 to check if this battery is compatible with my device?

A: First, find out the part number of your old battery or the model name (e.g. 'Olympus Μ840') and match with our product compatibility table. Second, please compare the old battery with our product images to make sure their shapes are the same. Lastly, check the voltage (rating) is the same as the old one.

Q: Do I need to charge the new Olympus Μ840 battery for 12 hours for the first time use?

A: No. Lithium-ion batteries have no memory effect, so it’s the right way to charge and discharge normally.

Q: How to properly charge my Olympus Μ840 battery?

A: Please avoid exhausting the battery power and then recharge, because it will bring a lot of damage to your battery. Therefore you have to charge it when remaining power nearly 10-20%.

Q: How to care for my Olympus Μ840 battery and extend its life?

A: 1. Complete discharge would damage the life of the battery.
2. Please keep the device as dry as possible.