![Make battery pack for old speaker, HK Go Play 2. Original 8 D-batteries, 1.5V each, while wall power is 18V. Are there probably different circuits, or could I make the battery pack Make battery pack for old speaker, HK Go Play 2. Original 8 D-batteries, 1.5V each, while wall power is 18V. Are there probably different circuits, or could I make the battery pack](https://preview.redd.it/make-battery-pack-for-old-speaker-hk-go-play-2-original-8-d-v0-bsi3gvv4c1y91.jpg?width=640&crop=smart&auto=webp&s=202121d81ef2e39503dd82ace0ad9014ef0d6f6a)
Make battery pack for old speaker, HK Go Play 2. Original 8 D-batteries, 1.5V each, while wall power is 18V. Are there probably different circuits, or could I make the battery pack
![Original Replacement Battery For Harman Kardon Go-play Bluetooth Speaker GSP1029102 01 Genuine Battery 3000mAh - AliExpress Original Replacement Battery For Harman Kardon Go-play Bluetooth Speaker GSP1029102 01 Genuine Battery 3000mAh - AliExpress](https://ae01.alicdn.com/kf/S089eb2c94698439788580124e8035713p.jpg?width=1000&height=1000&hash=2000)
Original Replacement Battery For Harman Kardon Go-play Bluetooth Speaker GSP1029102 01 Genuine Battery 3000mAh - AliExpress
![2x Batterie pour enceinte Harman Kardon Go + Play, Go Play Mini - accu CP-HK06, GSP102910201 3000mAh - Cdiscount TV Son Photo 2x Batterie pour enceinte Harman Kardon Go + Play, Go Play Mini - accu CP-HK06, GSP102910201 3000mAh - Cdiscount TV Son Photo](https://www.cdiscount.com/pdt2/3/0/0/1/550x550/cel4063714008300/rw/2x-batterie-pour-enceinte-harman-kardon-go-play.jpg)
2x Batterie pour enceinte Harman Kardon Go + Play, Go Play Mini - accu CP-HK06, GSP102910201 3000mAh - Cdiscount TV Son Photo
![Original Replacement Battery For Harman Kardon Go-play Bluetooth Speaker GSP1029102 01 Genuine Battery 3000mAh - AliExpress Original Replacement Battery For Harman Kardon Go-play Bluetooth Speaker GSP1029102 01 Genuine Battery 3000mAh - AliExpress](https://ae01.alicdn.com/kf/Sa2026d64742e4c28b111649a61527133w/Original-Replacement-Battery-For-Harman-Kardon-Go-play-Bluetooth-Speaker-GSP1029102-01-Genuine-Battery-3000mAh.jpg)
Original Replacement Battery For Harman Kardon Go-play Bluetooth Speaker GSP1029102 01 Genuine Battery 3000mAh - AliExpress
![High Capacity GUKEEDIANZI Battery CP-HK06 GSP1029102 01 6000mAh for Harman/Kardon Go Play, Go Play Mini GoPlay, GoPlay Mini High Capacity GUKEEDIANZI Battery CP-HK06 GSP1029102 01 6000mAh for Harman/Kardon Go Play, Go Play Mini GoPlay, GoPlay Mini](https://ae01.alicdn.com/kf/H3641face688146d7ace001b739593734Q/High-Capacity-GUKEEDIANZI-Battery-CP-HK06-GSP1029102-01-6000mAh-for-Harman-Kardon-Go-Play-Go-Play.jpg)
High Capacity GUKEEDIANZI Battery CP-HK06 GSP1029102 01 6000mAh for Harman/Kardon Go Play, Go Play Mini GoPlay, GoPlay Mini
![3500mAh CP-HK06 GSP1029102 01 Battery for Harman Kardon Go Play Mini, Go + Play Portable Bluetooth Speaker CP HK06 Battery - AliExpress 3500mAh CP-HK06 GSP1029102 01 Battery for Harman Kardon Go Play Mini, Go + Play Portable Bluetooth Speaker CP HK06 Battery - AliExpress](https://ae01.alicdn.com/kf/Hc7bc84de5ad641a4a226bdfef356c40fg.jpg_640x640Q90.jpg_.webp)