🔋 Power your sound, protect your vibe.
This rechargeable 3.7V 320mAh lithium-ion polymer battery is engineered for Sony headphone models including WF-C500, WF-XB700, WF-H800, WF-SP800N, WF-1000XM4, WH-CH500, and WH-CH510. Featuring a compact 33×17×6.2mm form factor and weighing only 6.5g, it delivers stable power with advanced Japanese Seiko IC protection against overcharge, overdischarge, overcurrent, and short circuits. Ideal for replacing original batteries or powering other compatible 3.7-5V devices under 1.184Wh, it ensures reliable performance and peace of mind with a 1-year quality guarantee.
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