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We serve MA, NH, CT, RI, ME, VT, NJ, PA, and TX
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NuWatt designs, installs, and manages solar, battery, heat pump, and EV charger systems across 9 states. One company, one warranty, one point of contact.
Get a Free QuoteEvery battery we evaluate — with honest specs, brand stability ratings, FEOC / ITC status, and the 5 we actually install.
Every battery below is one NuWatt actively installs across our 9-state service area. Click through for full reviews with interactive tools.
Tesla
Capacity
13.5 kWh
Power
11.5 kW
Chemistry
LFP
Warranty
10-yr
Enphase
Capacity
5 kWh
Power
3.84 kW
Chemistry
LFP
Warranty
15-yr
Enphase
Capacity
10 kWh
Power
7.08 kW
Chemistry
LFP
Warranty
15-yr
FranklinWH
Capacity
15 kWh
Power
10 kW
Chemistry
LFP
Warranty
15-yr
sonnen
Capacity
10 kWh
Power
4.8 kW
Chemistry
LFP
Warranty
10-yr
Each page shows the honest specs, explains why NuWatt doesn’t install the product, and recommends the closest alternative from our stack.
Generac
Capacity
18 kWh
Power
9 kW
Chemistry
NMC
Warranty
10-yr
LG Energy Solution
Capacity
16 kWh
Power
7 kW
Chemistry
NMC
Warranty
10-yr
SolarEdge
Capacity
9.7 kWh
Power
5 kW
Chemistry
LFP
Warranty
10-yr
Panasonic EverVolt
Capacity
13.5 kWh
Power
9 kW
Chemistry
LFP
Warranty
12-yr
sonnen
Capacity
20 kWh
Power
8 kW
Chemistry
LFP
Warranty
15-yr
Schneider
Capacity
14 kWh
Power
6.8 kW
Chemistry
LFP
Warranty
10-yr
BLUETTI
Capacity
9.9 kWh
Power
9 kW
Chemistry
LFP
Warranty
10-yr
EcoFlow
Capacity
6 kWh
Power
7.2 kW
Chemistry
LFP
Warranty
5-yr
Anker SOLIX
Capacity
10 kWh
Power
6 kW
Chemistry
LFP
Warranty
10-yr
Go to the main battery storage hub to try the interactive tools — outage simulator, lock-in forecaster, and battery-vs-generator TCO.
Open the battery intelligence suite