SPECIFICATIONS

Built-in BMS: Minimum 60Amp, maximum 100Amp protection board

Capacity: 31 - 40Ah

Certification: CE,FCC,UL

Charger: Free 4A charger as a gift

Cycle Life: ≥85% capacity after 1000 cycles.

Dimension: 408*365*240*85*74mm

Feature: Downtube Frame ebike battery

Fit Motor Power: 250W 350W 500W 750W 1000W 1500W 2000W 3000W motor

Hign-concerned Chemical: None

Item: 21700 SAMSUNG Triangular Battery

Nominal Capacity: 30ah 35ah 40ah 50ah 60ah

Type: Lithium Battery

Voltage: 48v52v72v

description

Compatible with 250W – 3000W Motors (E-bike, Scooter, Electric Wheelchair)

Available Voltages: 48V / 52V / 72V
Rated Capacity Options: 30Ah / 35Ah / 40Ah / 50Ah / 60Ah

Key Features:

• High-Quality Samsung 21700 Li-ion Cells – Long-lasting, reliable performance

• Built-in BMS Protection – Overcharge, overdischarge, overcurrent, short circuit, and balance protection

• Cycle Life: 1000+ cycles

• Charging Method: CC/CV charger (3A–4A depending on battery)

• Temperature Range: -15℃ to 65℃ (charging & discharging)

• Peak Voltage / Working Voltage: Matches battery type (36V → 42V peak, 48V → 54.6V peak, 52V → 58.8V peak, 60V → 67.2V peak, 72V → 84V peak)

• Maximum Constant Discharge: 90A | Peak Current: 100A

• Motor Compatibility: 250W–3000W Bafang motors

Packing List:

• 1 x Lithium-ion Battery Pack (in protective box)

• 1 x 30 cm Cable Assembly

• 1 x Compatible Charger (depending on voltage)

Safety Instructions:

1. Fully charge before first use.

2. Keep dry; do not immerse in water.

3. Avoid reverse polarity, short-circuits, nails, impact, or disassembly.

4. Do not expose to fire, microwave, or extreme heat.

5. Stop use immediately if battery emits odor, heat, deformation, or discoloration.

6. Store in a cool, dry, ventilated place away from corrosive substances.

7. For long-term storage, charge to 50% and recharge every 3 months.

⚠️ Important: Ensure the battery voltage matches your motor to avoid incompatibility.