For Music, Smartphone, and more
Energizer BTS051 is a waterproof portable bluetooth speaker with power bank, it is rated with IPX5 waterproof that can prevent the dust and waterlashes for any on-the-go moment. BTS-051 transmits the sound up to 10M, works with bluetooth connectivity, AUX, and micro SD card. The portable and hangtag design makes it easy to carry. The Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge for your power bank and devices.

Extra Power

2,000mAh extra power for your device.


Quality sound

Clear sound and music transmit up to 10M.



IPX5 waterproof technology against dust and waterlashes.


Compact design

Portable and rugged design makes it easy and light to carry.


Universal Compatibility

Universal compatibility that can connect through bluetooth connectivity, Micro SD card, and AUX audio.



Guarantees against short circuit, and over-charging for your portable battery and devices.

Model name BTS-051
Battery Cell Lithium Ion
Capacity 2000mAh/7.4Wh
Rated Input 5V/1A (Max.)
Rated Output 5V/1A (Max.)
Weight 311g ± 10g
Dimensions Φ70 x128(H) mm
Bluetooth version 5.0
Support Micro SD card, AUX
Waterproof IPX5
Transmission distance 10M
Frequency Response 140-12KHz
Package Contents
Charging Cable x1
User Manual
AUX Cable x1
String Strap x1