Amptech ATLS12-50 Deep-Cycle Leisure Lithium Battery 640Wh

ATLS12-50 from Amp-tech’s Lithium range delivers an active BMS with dedicated cell balancing, enhanced circuit protection & a compact, lightweight design—only 3/4 the size of AGM—for certified performance in industrial, marine, golf & adventure applications.

Special Order Item - Usually available 24 hours in-store after purchase

Features:

- High Performance: Ideal for deep cycle applications
- Compact and Lightweight: Easy to handle and install
- Safety: Integrated protection against overvoltage, under voltage, overcurrent, and short circuits

Key Specifications:

Electrical Specifications

Nominal Voltage: 12.8V

Nominal Capacity: 50Ah

Nominal Power: 640Wh

Parallel Connection: max 6 units

Series Connection: max 4 units

Circuit Protection: Overcharge, Over Discharge, Short Circuit, High Temperature, Cell Imbalance

Cycle Life: 3000 cycles @100% DOD, 6000 cycles @80% DOD

Charge Specifications

Charge Profile: CC @ 0.2C to 14.4V, then CV @ 14.4V until current ≤ 0.01C (CC/CV)

Max Charge Voltage: 14.4 ± 0.2V

Charge Current: ≤25A (0.2C @ 10A)

Max Current: 25A

Discharge Specifications

Recommended Discharge Current: ≤25A (0.2C @ 10A)

Max Continuous Current: 50A

Cut-off Voltage: 10V

Environmental Specifications

Charge Temperature: 0°C to 55°C

Discharge Temperature: -20°C to 60°C (60 ± 25% Relative Humidity)

Storage Temperature: -5°C to 45°C

Mechanical Specifications

Dimensions (mm): 197 × 165 × 169

Approx Weight: 5.6kg

Terminal Type: M6

Case Material: Plastic ABS

IP Rating: IP65

Cell Type: Cylindrical LiFePO₄

Warranty : 3 years (Private use)

Perfect for:

- RVs and campervans
- Marine applications
- Solar energy systems
- Backup power solutions