長距離E-Bikeバッテリーの選び方

電動バイク（E-bike）の人気が高まるにつれ、バッテリーの航続距離は消費者にとって最優先事項となっている。高品質で航続距離の長いバッテリーは、ライディング体験を向上させるだけでなく、頻繁な充電の手間を軽減します。では、自分のニーズに合った航続距離の長いe-bike用バッテリーはどのように選べばいいのでしょうか？このガイドでは、バッテリーのタイプ、容量、ブランドなどに分けてご紹介します。

1. Battery Type: Lithium vs. Others

E-bike batteries mainly fall into two categories: lithium and lead-acid.

• Lithium Batteries:

  • Lightweight, long lifespan (500-1,000 charge cycles), high energy density.

  • More expensive but worth the investment.

  • Common types: Lithium-ion (Li-ion) and LiFePO4 (Lithium Iron Phosphate), with the latter being safer.

• Lead-Acid Batteries:

  • Cheaper but heavy, shorter range, and shorter lifespan (~300 cycles).

  • Gradually being phased out of the market.

Recommendation: Always go for リチウム電池.

2. Battery Capacity (Ah) & Voltage (V)

The range depends on capacity (Ah) and voltage (V). Multiply them to get energy (Wh):

• 48V 20Ah battery = 960Wh → ~60-100 km range (varies by riding mode, terrain, and load).

• 52V 30Ah battery = 1560Wh → ~120-150 km range.

Recommendations:

• Daily commuting (30-50 km): 48V 15-20Ah.

• Long-distance rides (80+ km): 52V 25-30Ah or higher.

 Avoid no-name or suspiciously cheap batteries—they may pose safety risks.

3. Charging & Maintenance Tips

• Avoid deep discharge: Recharge when battery reaches 20-30%.

• Use the original charger: Prevents voltage fluctuations that can damage the battery.

• Regular checks: If storing long-term, keep the battery at ~50% charge.

4. Price & Warranty

• Lithium batteries typically cost $150-$800, depending on capacity and brand.

• Choose brands that offer at least 2-year warranties for long-term reliability.

Choosing the right long-range e-bike battery involves balancing type, capacity, brand, and your specific needs. Investing in a high-quality battery improves efficiency and reduces long-term costs. We hope this guide helps you find the perfect battery for smoother, farther rides!

Follow our website for more e-bike buying tips and maintenance guides!