Note : 7.4V and 7.6V are compatible, they are in common use.

Product Features

Excellent Quality，International Standards

BatteryBuy.co.uk is your best choice of high quality JBL batteries for speakers! The brand new 74Wh(4 cells) replacement JBL JEM3318 Li-ion battery is made with superior quality cells from Samsung, Panasonic and LG to ensure the best performance. JBL JEM3318 battery case is made of non-flammable and durable plastic, which is fire-retarded and non-perishable when dropped from low heights.

We are very strict with the safety requirements. Every our high-grade replacement battery for JBL JEM3318 speaker has been tested to prove that they can match or surpass original JBL battery performance and be 100% compatible with Original Manufacturer Specifications. In compliance with international standards, they have obtained a series of rigorous safety certifications such as CE, UL, ROHS, ISO9001/9002. In general, this replacement JBL JEM3318 battery can be charged/discharged up to more than 600 cycles.

Buy with Confidence! All our JBL JEM3318 batteries carry a One-Year warranty and a 30-day money back guarantee if you are not completely satisfied. What’s more, Each JBL JEM3318 battery will be charged and tested before shipment. When you buy our products, you're buying trust! If you have any question, please contact us freely! It is our pleasure to help you solve problems.

Multiple Intelligent Protection

INTELLIGENT PROTECTION
VOLTAGE PROTECTION
SHORT CIRCUIT PROTECTION
ESD PROTECTION
OVER HEAT PROTECTION
OVER (DIS)CHARGE PROTECTION
CHARGING TIME PROTECTION
CLASS A PROTECTION

Product Larger Images

Compatible JBL Part Numbers

Compatible JBL Speaker Models

Shipping Methods

Payment Methods

Warranty

1-Year Warranty
All our high quality replacement speaker batteries for JBL JEM3318 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 whether this battery is compatible with my speaker?

A: First, find out your old battery part number (e.g. 'JBL JEM3318') or the model name of speaker and then match with our product compatibility table. Second, please compare your 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. For more details please click How to find one correct battery for my Speakers?

Q: How to charge my JBL JEM3318 battery properly?

A: There is no need to charge your new JBL JEM3318 battery for 12 hours for the first time use, because lithium-ion battery is with no memory effect. So you only need to charge and discharge it normally. What’s more, you should avoid recharging it till exhausting battery power, because it will bring to much damage. Therefore you have to charge it when remaining power is nearly 10-20%.

Q: A few Tips to maintain your JBL JEM3318 battery and extend its life:

1 Complete discharge can damage the life of the battery for speakers.
2 Keep your speaker audio and battery in a cool dry place (heat may destroy a battery).