Description
Compatible models: Astell & Kern AK300, AK380
Battery capacity: 4100mAh (Upgraded – Original is 3300mAh)
Rated voltage: 3.7V
Charge limit voltage: 4.2V
Battery type: Li-Polymer
Package include: 1 x battery
Extend the playtime of your Astell & Kern high-resolution music player with this 4100mAh replacement battery. Designed for AK300 and AK380 models, this upgraded Li-Polymer cell delivers higher capacity than the original 3300mAh battery, letting you enjoy your Hi-Res audio for longer periods between charges. Built-in multi-layer safety protection guards against overcharge, over-discharge, and short circuits. Made with grade A cells. CE, RoHS, and UN38.3 certified for safety compliance. Professional installation recommended as the player is not user-repairable.
Compatibility Note: Fits Astell & Kern AK300 and AK380 only. This is an upgraded high-capacity battery with 4100mAh (original is 3300mAh). Please check your current battery model before purchasing.
Battery Care Tips: Avoid full discharge (keep above 20%). Keep away from high temperatures. If swelling occurs, stop use immediately. For optimal battery life, use a compatible charger.
✅ Condition: Brand New – Never used, premium quality
✅ 4100mAh High Capacity – Upgraded from original 3300mAh
✅ CE / RoHS / UN38.3 Certified – Safety tested
✅ 90-Day Warranty – Hassle-free replacement
✅ Ships in 3-7 days with tracking – Fast delivery
🛡️ Shipping Protection Available at Checkout – Covered against loss, damage, or theft
✅ PayPal Buyer Protection included – Secure checkout
⚠️ Low Stock Alert: Only 8 left in stock. Order now to avoid waiting.
🔋 Can’t find your battery model? Use our FREE Battery Lookup Service – tell us your device and we’ll find a match within 24 hours. 👉 battery.qingsm.tech/find-my-battery
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