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新站限時優惠: 會員購物 4% 回贈

新站限時優惠: 滿 $800 順豐免運費

新站限時優惠: 會員購物 4% 回贈

新站限時優惠: 滿 $800 順豐免運費

新站限時優惠: 會員購物 4% 回贈

Gongtian 21700 Battery 4800 mAh Flat head battery

Gongtian 21700 Battery 4800 mAh Flat head battery

4800mAh Large capacity banana fan dedicated battery
configuration
Capacity: 4800 mAh

[Limited] Free SF Express shipping, over $800 on order

HK$42.00
HK$35.00
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Description
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Description
1. Core parameters of the product
Model: Gongtian 21700 Flat Head Battery (specially designed for Gongtian) F95D Small Fan Design
Capacity: actual standard 4800 mAh（ Far exceeding the traditional 18650 battery life
Cell type: 21700 specification (diameter 21) mm， Length 70 mm）
Interface type: Flat head design (perfectly compatible) F95D Battery compartment
Compatibility: limited to Koda only F95D Upgraded fan (incompatible with other brand devices)

2. Performance advantages
Ultra long battery life: tested F95D The fan runs continuously for 24 hours in first gear, 12 hours in second gear, 5 hours in third gear, and 2.5 hours in fourth gear (actual use may vary slightly due to differences in ambient temperature and wind speed).
Fast charging support: Supports 18 W USB-C Fast charging (compatible with mobile phone chargers and power banks), fully charged in 1.5 hours.
Safe and stable: Built in overcharge/overdischarge protection circuit, low internal resistance design (23.28 milliohms), low heat generation.

3. Product features
Dedicated for special aircraft: The battery compartment depth is adapted to 21700 size to avoid looseness or poor contact.
Durability: Cycle life ≥ 500 times (capacity retention rate ≥ 80%), suitable for long-term use.
Multi functional extension: supports emergency power supply for mobile phones and other devices (requires adapter cable, non official standard function).

4. Usage scenarios
Outdoor activities: Long lasting wind support for camping, hiking, fishing, and other scenes.
Working from home: Prolonged desktop cooling to avoid frequent charging.
Emergency backup: used as a mobile power source to charge mobile phones during power outages.
Shipping & Payment

Delivery Options

  • In-store Pickup (FREE)
  • S.F. Express - Door-to-Door Delivery
  • S.F. Express - Business Station Pickup
  • S.F. Express - Store Pickup
  • S.F. Express - EF Locker Pickup
  • Van delivery (curbside pickup)
  • Courier (Max Load 8KG)
  • SF Express
  • Wing Loog HK-Macau Transport

Payment Options

  • Payme (HK)
  • Credit Card
  • Alipay (HK)
  • Apple Pay
  • Google Pay
  • FPS / Bank transfer (Manual)
  • FPS (QR code)
  • PayPal & Credit Card
  • WeChat Pay
Customer Reviews
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