StackMax Amp 200

Why we recommend this

Our Energy Score for this model is 55/100 (Fair). We weighed round-trip efficiency, warranty depth, compatibility, and real-world use cases for ev chargers.

  • LiFePO4 chemistry with long cycle life
  • Integrated BMS with thermal protection
  • Expandable with additional modules

Purchases through our links support independent testing at no extra cost to you.

Overview

StackMax Amp 200 delivers 15 kW of reliable energy storage with LFP Rack cells, intelligent BMS protection, and seamless integration into modern solar ecosystems. Engineered by StackMax for homeowners who demand performance, transparency, and long-term value.

  • Whole-home backup
  • Peak shaving & demand charges

Compatibility

HomeCommercial

Pros & cons

Pros

  • LiFePO4 chemistry with long cycle life
  • Integrated BMS with thermal protection
  • Expandable with additional modules

Cons

  • Premium price vs entry-level AGM
  • Professional install recommended

Technical specifications

Capacity
15 kW
Voltage
240 V
Chemistry
LFP Rack
Warranty
10 years
Cycle Life
7000 cycles @ 80% DoD
Operating Temp
-4°F to 122°F (-20°C to 50°C)
Output
15 kW
Connector
J1772
Smart Features
Solar prioritization, scheduling

Compare similar models

Spec
StackMax Amp 200

StackMax

55E4S
StackMax Rover 200

StackMax

63E4S
Energy4Solar Score5572Best63
Price$849$5,400$1,599
Capacity15 kW152.2
Voltage240 V51.2 V48 V
ChemistryLFP RackLFP RackLFP Rack
Cycle life4000 cycles4000 cycles4000 cycles
Weight48 lbs76 lbs30 lbs
Warranty10 years10 years10 years
Rating4.34.54.8
In stock
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Customer reviews

Marcus R.

2025-10-15

Exceeded expectations

The StackMax Amp 200 has been running flawlessly. Sizing was spot-on and install was clean.

Verified purchase

Priya N.

2025-09-15

Solid performance

The StackMax Amp 200 has been running flawlessly. Monitoring is intuitive and savings are real.

Verified purchase

Tom V.

2025-08-15

Great value

The StackMax Amp 200 has been running flawlessly. Monitoring is intuitive and savings are real.

Verified purchase

FAQ

Most residential battery and solar equipment qualifies for the 30% federal ITC when paired with solar. Consult your tax advisor for your specific situation.

Affiliate disclosure: We may earn a commission if you buy through our links. Price and availability are set by the retailer and may change. Always confirm the current price before checkout.

Related products

55E4S

StackMax Amp 200

55E4S

$849

Price shown is for comparison only. See the live price at checkout.

4.3
Capacity
15 kW
Voltage
240 V
Cycles
4,000
Weight
48 lbs

Affiliate disclosure: We may earn a commission if you buy through our links. Price and availability are set by the retailer and may change. Always confirm the current price before checkout.