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Battery compatible with JBL partybox 520 battery (not an original JBL battery).
Battery for JBL FG6CELL21700G Li-ion battery replica with 21.6V and 4584mAh/99.02Wh capacity.
The high quality replica battery with 4584mAh/99.02Wh capacity, Bluetooth Speaker Batteries. It fits in the JBL partybox 520 models.
Usually the installation of this battery in connection with the phone requires extra hands-on skills, we recommend that you have the JBL partybox 520 battery installed by an expert.
This battery is suitable as a replacement battery for JBL partybox 520 battery and JBL FG6CELL21700G model.
High capacity JBL FG6CELL21700G battery for longer standby time.
The battery is professionally tested to ensure the best lifespan.
1 year warranty, 30 days money back, 100% brand new!
Battery capacity (mAh/A/W) may be different; the more mAh/A/W it displays, the higher its autonomy.
Safety certified CE / FCC / RoHS.
* Please make sure that the replacement battery you are buying is suitable for your device brand and model.
JBL FG6CELL21700G Battery Technical Specifications | 3 | |
| Model | FG6CELL21700G | |
| Battery Condition | Brand New Replacement Battery | |
| Item Code | 25KK1419J_Oth | |
| Category | Bluetooth Speaker Batteries | |
| Brand | JBL | |
| Capacity | 4584mAh/99.02Wh | |
| Voltage | 21.6V | |
| Type | Li-ion | |
| Color | Black | |
| Size | *mm(L x W x H) | |
| Applies to | JBL partybox 520 | |
| Certification | Passed CE, UL, ROHS, ISO 9001/9002 and GS certification | |
| Service | Buy now, we promise a one-year warranty and 30-day returns | |
For JBL partybox 520
-- 30 days money back, 12 months warranty.
-- 30% off and free shipping
-- 100% compatible JBL partybox 520
✅ 100% compatible with original equipment — easy installation and stable performance.
✅ Built-in overvoltage protection circuit to prevent damage to your device.
✅ Strictly tested during production to ensure top performance and reliability.
✅ Perfect replacement for the original part — same fit, same function.
① Expert in the field of batteries for 15 years.
② Large selection, almost all available products are in stock.
③ Tested and checked by competent professionals, careful packaging.
④ Best prices & fast delivery & One year warranty & Safe purchase and payment.
⑤ Perfect after-sales service.
All items come with free shipping, with no minimum order required.
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Quality and safety: This JBL FG6CELL21700G battery contains advanced electronic components and has been tested according to strict CE standards. The JBL FG6CELL21700G battery contains a chip that prevents overcharging and short circuiting. On top of that the JBL FG6CELL21700G batteries are made from good quality cells which do not suffer from a 'memory effect'.
Assurance and warranty: JBL FG6CELL21700G purchased in our store are guaranteed for 12 months. Satisfied Refunded 30 days.
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