---
product_id: 18779721
title: "iPowerUS FC-391 3-in-1 Fast Smart AA and AAA and 9V Battery Charger II"
brand: "ipowerus"
price: "¥1498"
currency: JPY
in_stock: false
reviews_count: 1
url: https://www.desertcart.jp/products/18779721-ipowerus-fc-391-3-in-1-fast-smart-aa-aaa
store_origin: JP
region: Japan
---

# iPowerUS FC-391 3-in-1 Fast Smart AA and AAA and 9V Battery Charger II

**Brand:** ipowerus
**Price:** ¥1498
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** iPowerUS FC-391 3-in-1 Fast Smart AA and AAA and 9V Battery Charger II by ipowerus
- **How much does it cost?** ¥1498 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/18779721-ipowerus-fc-391-3-in-1-fast-smart-aa-aaa)

## Best For

- ipowerus enthusiasts

## Why This Product

- Trusted ipowerus brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Charger Features: Delta V Smart Charge - auto-detects and monitors the battery's voltage constantly during charging to ensure that all batteries are charged to their maximum capacity Auto Safety Protector - auto-protect circuit detects damaged, shorted or batteries not capable of fast charging and cuts off charging current to protect the charger Auto Trickle Charge - when batteries are fully charged, the charging current will be reduced automatically to prevent from over-charging and to maintain battery capacity at optimum level Charger Comparison Chart: Regular Charger (80-100mAh) - 12-16 hours (never stops charging, never knows when battery is full) Quick Charger (250-300mAh) - 4-5 hours (auto-stops charge when battery is full) iPowerUS Fast Smart Charger (600-900mAh) - 60-90 minutes (switches to micro charge when battery is full) Charge AA, AAA, and 9V NiMH or NiCd Batteries: 4 slots charge AA, 4 slots charge AAA, and 2 slots charge 9V Charge 2 AA and 2 AAA Charge 4 AA or 4 AAA or Charge two 9V Discharge 2 AA or AAA Discharge 1 9V (Yellow LED) Specifications: Input AC 110V or DC 12V Fast Smart Charger: charges AA, AAA, and 9V batteries 4 channels controlled by programming IC Charge current: 0.5C best charging mode Charges NiMH and NiCd rechargeable batteries only Red LED: Charging Green LED: Full Red LED Flashing: Indicates a bad battery or not rechargeable AA battery: 600-900mA (Red LED) AAA battery: 300-400mA (Red LED) 9V battery: 65-100mA (Red LED) Auto Trickle Charge: 35-50mA (Green LED) Discharge: 82mA (Yellow LED) best for NiCd batteries Car cord and AC adapter included

## Features

- Fast smart battery charger
- Charges AA, AAA, and 9V NiMH/NiCd Rechargeable Batteries
- Delta V smart charge technology
- Charge anywhere - in home or car

## Images

![iPowerUS FC-391 3-in-1 Fast Smart AA and AAA and 9V Battery Charger II - Image 1](https://m.media-amazon.com/images/I/11Eisqn292L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    The charger is fine but Amazon linked it to an incompatible battery
  

*by S***Y on Reviewed in the United States on November 22, 2016*

The charger is fine but Amazon linked it to an incompatible battery. I was fortunate in that the company understood and refunded the money. This is a great company.

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**Shop now:** [https://www.desertcart.jp/products/18779721-ipowerus-fc-391-3-in-1-fast-smart-aa-aaa](https://www.desertcart.jp/products/18779721-ipowerus-fc-391-3-in-1-fast-smart-aa-aaa)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-12*