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🔋 Recharge your vibe — power up your Marshall, power up your day!
This HXJNLDC 3.7V 800mAh rechargeable lithium-ion battery is tailor-made for Marshall MID Major II, III, and IV Bluetooth headphones, delivering reliable, long-lasting power in a compact form. Featuring advanced Japanese Seiko IC protection, it safeguards your device from overcharge, overdischarge, and short circuits. Lightweight and easy to install with high-temp silicone cables, it revives your audio gear with professional-grade performance and safety.







| ASIN | B0C3HHVQ9R |
| Amperage | 1 Amps |
| Antenna Location | Radio |
| Battery Capacity | 800 Milliamp Hours |
| Battery Cell Composition | Lithium Polymer |
| Battery Cell Type | Lithium Polymer |
| Battery Weight | 13 Grams |
| Best Sellers Rank | #429,714 in Health & Household ( See Top 100 in Health & Household ) #1,180 in 3.7V Batteries |
| Brand | HXJNLDC |
| Customer Reviews | 4.1 out of 5 stars 85 Reviews |
| Item Dimensions | 1.61 x 1.18 x 0.24 inches |
| Item Weight | 13 Grams |
| Manufacturer | HXJN |
| Number of Batteries | 1 Lithium Polymer batteries required. (included) |
| Recommended Uses For Product | Radio |
| Reusability | Rechargeable |
| UPC | 754525114697 |
| Unit Count | 1 Count |
| Voltage | 3.7 Volts (DC) |
| Warranty Description | 1 |
D**A
Funciono bien
la instale y ha trabajado bien
R**N
Works great
Restored my sad old worn out battery to better than new. Long leads made the soldering easy.
R**S
I am lithium battery works just fine.
I was able to replace the battery with very little effort. It saved me from replacing another Bluetooth headset.
V**E
No 3 pin connector
Did not have 3 pin connector. Did not return because it was my mistake for not thoroughly reading the description. Picture showed a connector but description said you splice. Remove connector from picture.
L**N
Fit my Monitor II headphones perfectly
The specs on the battery matched the one in my Monitor II headphones, so I took a chance and got it. It worked out perfectly.
P**N
Worked like expected
Worked like a charm and saved me from having to buy a new headset
J**O
No funcionó
Nunca agarró carga
A**X
Fonctionne bien
J'ai remplacé la batterie de mon casque Marshall Major 4 avec car la durée de la batterie commençait à s'affaiblir, pour l'installer il suffisait juste de couper un petit bout du fil de l'ancienne batterie avec le connecteur et de souder les fils de la nouvelle batterie à ce dernier, puis de relipser le connecteur à la carte du casque.
T**E
Funciona bien previo empalme
acoplado perfectamente a unos auriculares marshall, previo empalme.
E**R
as described
repaired my headphone in 20 minutes, all was included to make the process easy
る**ち
ワイヤレスヘッドホンの延命
ノイズキャンセリングヘッドホンAG-WHP01Kのバッテリーが持たなくなってきたので開けてみると、バッテリーがパンパンに膨れていたので交換。 amazonで603040の3線式のバッテリーはこれ以外にほとんど選択肢がない…。 803040も入りそうでしたが、元の容量でも実用上の支障が無いので同容量を選択。 コネクタ式よりは敷居が高いですが、ショートにだけ気をつければ配線3本繋ぎ直すだけのハンダ作業で交換完了。 これでまたしばらく使えます。
S**S
Polecam
ok działa
Trustpilot
1 week ago
2 weeks ago