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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 (New and old packaging will be shipped randomly)

Gongtian 21700 Battery 4800 mAh Flat head battery (New and old packaging will be shipped randomly)

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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