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This 802540 rechargeable lithium polymer battery delivers 900mAh capacity at 3.7V nominal voltage, designed specifically for Sena 10S, 20s, and 30K series Bluetooth headsets. Featuring advanced Japanese Seiko IC protection against overcharge, overcurrent, and short circuits, it ensures safe, reliable performance. Compact and lightweight (18g), it supports easy DIY installation with included heat-shrink tubing and wire customization options. Backed by a 1-year warranty, it’s the smart replacement battery for professional riders who demand uninterrupted connectivity.
| Amperage | 0.9 Amps |
| Antenna Location | GPS, MP3 Player, Radio, Toys, Watch |
| Asin | B08TBYRSNQ |
| Battery Capacity | 900 Milliamp Hours |
| Battery Cell Type | Lithium Polymer |
| Battery Weight | 16.8 Grams |
| Best Sellers Rank | #6,937 in Automotive (See Top 100 in Automotive) #6 in Motorcycle Batteries |
| Brand | HXJNLDC |
| Compatible Phone Models | Sena 10S series, Sena 20s series |
| Country Of Origin | China |
| Customer Reviews | 4.1 4.1 out of 5 stars (531) 4.1 out of 5 stars |
| Item Dimensions | 41 x 25 x 8 millimeters |
| Item Weight | 16.8 Grams |
| Manufacturer | HXJN |
| Model Number | 802540 |
| Number Of Batteries | 1 C batteries required. (included) |
| Reusability | Rechargeable |
| Upc | 049500840204 |
| Voltage | 3.7 Volts (DC) |
| Warranty Description | 1 |
User
Sena 20s replacement battery
Fits well charged quick works awesome. Would recommend 100%
User
Service top
Der erste Akku war nach ca. 4 Wochen defekt. Innerhalb 2 Tagen nach der Reklamation war der Kaufpreis vom Verkäufer erstattet. Echt top. Habe dann den selben Akku nochmals gekauft. Dieser funktioniert bisher einwandfrei.
User
Buena calidad
Llegó antes de lo previsto y funciona perfectamenteRectifico el comentario que hice al recibirla,pues a los tres meses empezó a dar problemas y aguantaba muy poco la carga,ahora al cuarto mes la he tenido que sustituir por que ya no enciende,he desmontado el intercomunicador y la batería está hinchada,por supuesto no la he comprado la misma
User
Perfect fit for Sena Helmet intercom
Perfect fit in my Sena helmet intercom
User
Yes this Absolutely fits and works on Sena 20s EVO
My replacement Sena 20s EVO battery arrived today and I enjoyed 100% success installing it.The 20s evo install instructions are "scary" but very doable.I used youtube video /watch?v=x311Sux8PpoThe sena 20s evo was NOT designed to have its battery replaced.But just because it wasn't designed to be replaced doesn't mean it can't be done.Install instructions such as the above make it possible.YES this battery is about 1/32" wider and 1/16" longer than OEM.HOWEVER it still "fits" without any heroic efforts.I varied from video in two places. a) I used a loop of duct tape to affix the battery to its case vs using the OEM 2-sided tape. I did this because a loop of tape is way thinner makes up for any extra thickness batter might have. b) I used a piece of scotch tape to pin the cable to the battery side as to keep it out of the way during top circuit board insertion.when I was done my unit turn on all the functions worked.I have only owned this unit for a few hours but I know it accepts a full charge and all the evo functions work.Time will tell how long the battery will last.My old battery was 4 yrs old and didn't last long anymore.The picture with a yellow-sided battery is OEM, the picture with the silver battery is its replacement.
Trustpilot
2 weeks ago
2 weeks ago