$270.99 USD

The Aegis 12V 35Ah Lithium Iron Phosphate - LiFePO4 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 M6 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.

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-012035A

ALF-012035A Battery Specs and User Manual

Charger Model Number: CRF-1205P

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


Battery Chemistry

LFP (LiFePO4) - Lithium Iron Phosphate

Battery Case ABS Case
Cell Type/Assembly Method Cylindrical cells/welded
Voltage (V) 12V
Capacity (Ah) 35Ah
Energy Stored (Wh) 420 Watt-Hours
Weight 8.6 lbs. (3.9 kg)
Dimension Metric(L x W x H) 195 mm x 130 mm x 168 mm (+/-2mm)
Dimension Imperial(L x W x H) 7.7 in x 5.1 in x 6.6 in (+/-0.1in)
Cycle Life 3000+ cycles
Discharge / Charge Connector M6 Terminal
Normal Charged Current 14.6V
Normal Charge Current 5.0 Amps
Normal Battery Cutoff 9.2V
Nominal Continuous Discharge Current 17.5 Amps
Maximum Continuous Discharge Current 35.0 Amps
Maximum Peak Discharge Current 70.0 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: 5A 
Connector: Alligator Clip
Model Number: CRF-1205P

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