$814.99 USD

The Aegis 12V 125Ah Li-ion Battery is a state of the art rechargeable battery pack made with Lithium Iron Phosphate cells designed for 12V devices. It is perfect for e-scooters, e-bikes, solar applications, robots, and other applications that require a higher-energy density battery.

The battery comes with integrated M10 Copper Terminal Screws, making it a perfect drop in solution for your applications. The Aegis battery has a built in battery management system (BMS) that keeps the battery running at peak performance and protects the cells for thousands of cycles, including over-charge, over-discharge, over-current, and short-circuit protection.

If this connection does not meet your needs, you may also view alternative adapters here. 

For out of stock kits, we may be able to provide another compatible charger. Please contact us and we can check for you.

Battery Model Number: ALF-012125A

ALF-012125A Battery Spec and User Manual

Charger Model Number: CRF-1220M

For more info & usage notes for our lithium batteries, please click here.



Battery Type LFP (LiFePO4) - ABS Case
Cell Type/Assembly Method Cylindrical cells/welded
Voltage (V) 12V
Capacity (Ah) 125Ah
Energy Stored (Wh) 1500 Watt-Hours
Weight 32.2 lbs. (14.6 kg) 
Dimension Metric (L x W x H) 330 mm x 170 mm x 215 mm (+/-2mm)
Dimension Imperial (L x W x H) 13.0 in x 6.7 in x 8.5 in (+/-0.1in)
Cycle Life 3000+ cycles
Normal Charge Voltage 14.6V
Normal Charge Current 20.0 Amps
Battery Cutoff Voltage 9.2V
Nominal Continuous Discharge Current 50.0 Amps
Maximum Continuous Discharge Current 100.0 Amps
Maximum Peak Discharge Current 200.0 Amps (2 Seconds)
Charge Temperature 0°C to 45°C
Discharge Temperature -20°C to 60°C
Operating Humidity 60±25%R.H
Storage Humidity 60±25%R.H
Automatic Battery Protection Module/System Low Voltage Disconnect
Over Voltage Disconnect
Short Circuit Protection
Reverse Polarity Protection
Cell Balancing

Compatible AC-to-DC Charger Specifications:

Input Voltage: AC110V-240V, 50/60HZ
Output Voltage: 14.6VDC 
Current: 20A 
Connector: Alligator Clip
Model Number: CRF-1220M

LFP Advantage
- Advanced LFP (Lithium Iron Phosphate) Chemistry
- Optimized Deep Cycle Performance
- Double the density versus traditional SLA/AGM/GEL
- 60-70% weight reduction versus traditional SLA/AGM/GEM
- High thermal tolerance
- Ideal for Electronics
- 10+ Years Lifespan

Intelligent Technology
- Battery Management System (BMS) Board as Standard
- Every Battery has bespoke board matching its performance parameters
- Comprehensively balances charging and discharging
- Internal balancing circuitry and charger circuitry inside BMS
- Comprehensive protections against over-charge, over-discharge, over-voltage, over-current, short circuits, reverse polarity, thermal protection
- Dramatically extends service life

Comprehensive Improvements
- Achieve full depth discharge of 100% Label Capacity
- “True Lithium Capacity” guarantees capacity of purchase is capacity delivered
- Reliable, repeatable full depth cycling without system life cycle degradation
- LFP Systems can be fully discharged safely without impact on system performance 
- Multiple times usable capacity of Lead Acid


Warranty: 3 years

Repair or Replace: 3 years

Returns/exchange: 30 days (Return ⟶ a 10% restocking fee plus shipping; exchange ⟶ charging shipping cost)

Cancellation: Within 24 Hours ⟶ No charge

Shipping: Standard within 2-3 business days