1. はじめに
Thank you for choosing the imuto AA556 Rechargeable Lithium AA Battery Set. This product includes 8 high-performance 2000mWh AA lithium batteries and a slim 8-slot fast charger. This manual provides essential information for the safe and efficient use of your new battery set. Please read it thoroughly before first use and retain it for future reference.

Image 1.1: imuto AA556 Rechargeable Lithium AA Battery Set with 8-Slot Charger.
2. 箱の中身
- 8 x 2000mWh rechargeable AA lithium batteries
- 1 x Ultra-thin AA battery charger
3. セットアップ
Before initial use, ensure all components are present and undamaged. The batteries may have a partial charge, but it is recommended to fully charge them before first use.
3.1 充電器の接続
- Connect the charger to a compatible 5V/3A USB power adapter (not included) using a USB-C cable.
- Ensure the power adapter is plugged into a functional power outlet.

Image 3.1: The imuto 8-slot battery charger with batteries inserted and connected to a power source.
4. 操作手順
4.1 バッテリーの充電
- Open the charger's covers.
- Insert the imuto AA lithium batteries into the charger slots, ensuring correct polarity (+ and - ends match the indicators in the charger).
- Close the charger covers.
- Connect the charger to a 5V/3A USB power adapter. The indicator lights on the charger will illuminate to show charging status.
- A full charge for 1-8 batteries typically takes approximately 1.8 hours.

Image 4.1: The imuto charger demonstrating its fast charging capability, achieving a full charge in 1.8 hours.
4.2 充電器インジケータライト
- 緑の点滅: バッテリーは現在充電中です。
- 緑色の点灯: バッテリーは完全に充電されています。
- Red Flashing/Solid Red: Indicates an error, such as an incompatible battery, a faulty battery, or overheating. Refer to the Troubleshooting section.
4.3 バッテリーの使用
These 1.5V lithium AA batteries provide a stable voltage output throughout their discharge cycle, making them suitable for a wide range of household devices. They offer a stronger energy output compared to 1.2V NiMH batteries.

図4.2: 例amples of devices compatible with imuto AA lithium batteries, including remote controls, game controllers, and wireless peripherals.
ビデオ4.1: オーバーview of the imuto Rechargeable AA Batteries with Charger, demonstrating its use with various devices.
5. メンテナンス
5.1バッテリーケア
- バッテリーを使用しないときは、涼しく乾燥した場所に保管してください。
- Avoid fully discharging batteries before recharging to maximize lifespan, though these batteries have no memory effect.
- The batteries are designed for up to 1600 charging cycles with over 70% capacity retention.

Image 5.1: Illustration of the imuto AA lithium battery's extended lifespan, offering over 1600 recharge cycles compared to disposable alternatives.
5.2 充電器の取り扱い
- 充電器を清潔に保ち、ほこりや破片がないようにしてください。
- 充電器を水や過度の湿気にさらさないでください。
- The charger's ultra-slim design (0.65 inches thick) makes it convenient for portability.

Image 5.2: Diagram illustrating the compact, ultra-thin design of the imuto AA battery charger, measuring 0.65 inches in thickness.
6。 トラブルシューティング
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| Batteries not charging (Red indicator) | Incorrect battery insertion, faulty battery, incompatible battery, charger issue. | Ensure correct polarity. Try a different battery. Check if the charger is properly connected to a 5V/3A adapter. |
| 充電後の電池寿命が短い | Battery degradation, high power consumption device. | Batteries have a 1600-cycle lifespan; consider replacement if cycles are exceeded. Ensure the device is compatible with 1.5V lithium batteries. |
| 充電器の電源が入らない | 電源がありません。ケーブル/アダプタに障害があります。 | Check power outlet. Try a different USB-C cable and 5V/3A power adapter. |
7. 仕様
| 特徴 | 詳細 |
|---|---|
| 電池のタイプ | AA Lithium-ion (LiFePO4) |
| バッテリーエネルギー | 2000mWh (Rated Energy: 1700mWh) |
| バッテリー容量 | 1133mAh |
| 出力巻tage | 1.5V(安定) |
| サイクル寿命 | Up to 1600 cycles (>70% capacity retention) |
| 充電器入力 | 5V/3A(USB-C) |
| 充電時間 | Approx. 1.8 hours (for 1-8 batteries) |
| 充電器スロット | 8 (AA) |
| 動作温度 | -40°F ~ 140°F (-40°C ~ 60°C) |
| 製品寸法 | 2.97 x 0.65 x 6.7インチ(充電器) |
| アイテム重量 | 8.8オンス(パッケージ全体) |

画像7.1: 詳細 view of an imuto AA lithium battery, displaying its 2000mWh energy, 1.5V output, and other key specifications.

Image 7.2: A comparison table outlining specifications for various imuto AA and AAA lithium battery models.
8. 安全情報
Adhere to the following safety guidelines to prevent damage, injury, or fire:
- Use only the provided imuto charger with imuto AA lithium batteries. Do not attempt to charge other battery types (e.g., NiMH, alkaline) in this charger.
- Do not mix new and used batteries, or batteries of different types/brands.
- 電池や充電器を分解したり、押し潰したり、穴を開けたり、ショートさせたりしないでください。
- Avoid exposing batteries or charger to extreme temperatures (outside -40°F to 140°F), direct sunlight, or fire.
- Keep batteries and charger away from water and high humidity.
- The batteries feature CBPI sealing technology for enhanced leak-proof performance and safety.
- The battery material is free from harmful substances such as lead, mercury, and cadmium.
- お子様の手の届かない場所に保管してください。

Image 8.1: An illustration detailing imuto's integrated CBPI sealing technology, highlighting its smart protect chip, explosion-proof module, and various safety protections.

Image 8.2: The imuto batteries are designed for reliable operation across a wide temperature range, from -40°F to 140°F, suitable for various environmental conditions.
9. 保証とサポート
imuto products are designed for reliability and performance. For warranty information, technical support, or customer service inquiries, please refer to the official imuto webメーカーのウェブサイトをご覧いただくか、カスタマーサポートに直接お問い合わせください。詳細は通常、製品のパッケージまたはメーカーの公式オンラインチャネルに記載されています。