PowerNest Grid 300

Why we recommend this

Our Energy Score for this model is 68/100 (Good). We weighed round-trip efficiency, warranty depth, compatibility, and real-world use cases for inverters & hybrid.

  • LiFePO4 chemistry with long cycle life
  • Integrated BMS with thermal protection
  • Quiet operation for living spaces

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

Overview

PowerNest Grid 300 delivers 11 kW of reliable energy storage with Monocrystalline cells, intelligent BMS protection, and seamless integration into modern solar ecosystems. Engineered by PowerNest 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
  • Quiet operation for living spaces

Cons

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

Technical specifications

Capacity
11 kW
Voltage
240 V
Chemistry
Monocrystalline
Warranty
10 years
Cycle Life
7500 cycles @ 80% DoD
Operating Temp
-4°F to 122°F (-20°C to 50°C)
Max PV Input
16 kW
Switchover
< 10 ms
Efficiency
97%

Compare similar models

Spec
PowerNest Grid 300

PowerNest

68E4S
PowerNest Vault 300

PowerNest

77E4S
PowerNest Go 310

PowerNest

74E4S
Energy4Solar Score6877Best74
Price$3,099$7,600$2,299
Capacity11 kW203.4
Voltage240 V51.2 V48 V
ChemistryMonocrystallineMonocrystallineMonocrystalline
Cycle life7500 cycles7500 cycles7500 cycles
Weight90 lbs90 lbs27 lbs
Warranty10 years10 years10 years
Rating4.74.54.8
In stock
Shop nowShop nowShop now

Customer reviews

Marcus R.

2025-10-15

Exceeded expectations

The PowerNest Grid 300 has been running flawlessly. Sizing was spot-on and install was clean.

Verified purchase

Priya N.

2025-09-15

Solid performance

The PowerNest Grid 300 has been running flawlessly. Monitoring is intuitive and savings are real.

Verified purchase

Tom V.

2025-08-15

Great value

The PowerNest Grid 300 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

68E4S

PowerNest Grid 300

68E4S

$3,099

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

4.7
Capacity
11 kW
Voltage
240 V
Cycles
7,500
Weight
90 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.