Extended Battery Capacity

With 10000mAh battery capacity, you can set free your echo; get rid of the cable trouble; make your life more convenient. --At max volume: 4 hours playing time --At 50% volume: 6 hours playing time --At standby mode: 18 hours when echo dot 4th gen is turned on without playing or paused.

Compact and Portable

With tailored ficing screws, ensure your echo stability and reliability. With the embedded rechargeable battery, our portable battery base for Dot 4th Gen can be released from the power outlet. The lightweight design allows you to use our battery charger in the kitchen, bathroom and living room etc. and also enables you to take it out on the balcony, porch and backyard to listen to music. Even then you can take a rest in your office.

Retain the Original Sound Quality

The ingenious design of our base not only ensures that there will be no blockage or interference in sound quality, but also maintains 360° clear sound.

Made for Echo 4th

It only compatoble for Echo 4th gen (All-new). It doesn't suit for Echo Dot 4th gen.

Product Details

Built-in tailored ficing screws to fixed your echo4, convenient and sturdy.

Easy To Use

Plug and play, easy to install with simple operation.

Protect Your Echo Safely

The built-in smart charging chip allows our battery base to be plugged in for an extended period without damaging to the battery and your echo 4. Please use Echo4's original adapter to charge D4. (not include the adapter)

Package Details

GGMM Portable E4 battery base *1 user manual *1 Note: To save resources, we do not provide an additional power adapter for E4, you can use the original adapter that comes with Echo to charge the E4 battery base directly.