48v SilverFish Lithium ion ebike Battery Pack 21Ah Replacement folding electric bike Akku for 500W 1000W Beach Cruiser

Description

Upgrade your ride with the 48V SilverFish Lithium‑Ion eBike Battery Pack 21Ah – the perfect replacement for folding electric bikes, beach cruisers, and any 500W‑1000W motor system. Engineered for maximum power, long life, and reliable performance, this high‑capacity Akku keeps you cruising farther and faster.

Key Highlights

• 🔋 21 Ah high‑capacity – up to 30 % more range than standard batteries.
• ⚡ 48 V output optimized for 500 W – 1000 W motors, delivering smooth, consistent power.
• 💡 Advanced lithium‑ion cells provide fast charging (0‑80 % in ~2 hours) and low self‑discharge.
• 🛡️ Built‑in BMS (Battery Management System) protects against over‑charge, over‑discharge, short‑circuit, and temperature spikes.
• 🚲 Lightweight, compact design fits seamlessly into most folding e‑bike frames and beach cruiser frames.
• 🌿 Eco‑friendly, 100 % recyclable materials for a greener ride.

Specifications

• Voltage: 48 V
• Capacity: 21 Ah (1008 Wh)
• Nominal Cell Type: Lithium‑Ion (Li‑FePO₄ or Li‑NMC, depending on model)
• Continuous Discharge Current: 25 A (max 35 A peak)
• Charging Voltage: 54.6 V ± 0.5 V
• Connector: Standard 6‑pin XT60 (compatible with most 48 V e‑bike systems)
• Operating Temperature: –10 °C to +45 °C
• Weight: Approx. 4.2 kg (9.3 lb)
• Dimensions: 340 mm × 180 mm × 120 mm (L × W × H)

Why Choose SilverFish?

SilverFish is a trusted name in electric‑mobility power solutions. Our batteries undergo rigorous quality testing, ensuring every pack delivers the performance you expect—ride after ride. With a robust BMS, extended cycle life (up to 1200 cycles), and a warranty that backs up our confidence, you can focus on the road ahead.

Easy Installation & Safety

• Plug‑and‑play design – no soldering or rewiring required.
• Secure mounting brackets included for quick, tool‑free installation.
• IP54‑rated housing protects against dust and splashes—ideal for beach cruising.
• Comes with a detailed user manual and safety guidelines.

Compatible Models

This 48 V 21 Ah pack is compatible with most folding e‑bikes and beach cruisers that use a 48 V system, including popular 500 W and 1000 W motor setups. Check your bike’s voltage and connector type before purchase.

Give your electric bike the power it deserves. Order the 48V SilverFish Lithium‑Ion 21Ah Battery Pack today and experience longer rides, faster charging, and reliable performance on every adventure.