Home Battery Cost 2026: Complete Price Guide
Last updated: February 2026 · 74 batteries from 23 brands · Estimated pricing included
How much does home battery storage actually cost in 2026? We compiled estimated prices for 74 batteries from 23 brands and calculated the cost per kilowatt-hour for each model. From budget EG4 server-rack batteries at $215/kWh to premium sonnen systems at $1,800/kWh, this guide covers the full spectrum of residential energy storage pricing.
Market Overview
The residential battery market in 2026 is dominated by LFP (Lithium Iron Phosphate) chemistry, which powers 69 of the 74 models in our database (93%). LFP has won on safety, longevity (6,000-10,000 cycles), and cost, while NMC retains a niche where compact size and lighter weight matter. Battery cell prices have declined approximately 20% since 2024, driven by Chinese LFP manufacturing scale and oversupply.
However, the installed cost of home battery systems has not dropped as dramatically as cell prices, because labor, electrical work, permitting, and balance-of-system components (transfer switches, subpanels) make up 40-60% of the total installed cost. A Tesla Powerwall 3 that costs Tesla approximately $4,000 to manufacture still costs $11,000-$16,500 fully installed.
The repeal of the 30% federal residential ITC in early 2026 removed the single largest cost offset for home batteries. Previously, a $15,000 battery installation effectively cost $10,500 after the credit. Without it, homeowners pay the full price. This has increased interest in budget server-rack batteries (EG4, SOK, Pylontech) that can be self-installed, and in third-party ownership (lease/PPA) models where the commercial ITC still applies.
Battery Cost Table: 74 Models Ranked by $/kWh
Every battery in our database, sorted by estimated cost per usable kWh. Prices are estimates based on market data, manufacturer suggested pricing, and installer quotes. Actual costs vary by region and installer. Click any model to view complete specifications.
| Brand | Model | Capacity (kWh) | Power (kW) | Chemistry | Est. Price | Est. $/kWh | Warranty (yr) | Cycle Life |
|---|---|---|---|---|---|---|---|---|
| Eco-Worthy | 12V 200Ah LiFePO4 | 2.05 | 2.56 | LFP | $350 | $171 | 5 | 3,000 |
| Eco-Worthy | 12V 100Ah LiFePO4 | 1.02 | 1.28 | LFP | $200 | $196 | 5 | 3,000 |
| EG4 | LL 48V | 5.12 | 5.12 | LFP | $1,100 | $215 | 10 | 7,000 |
| EG4 | WallMount Indoor 280Ah | 14.3 | 10.24 | LFP | $3,200 | $224 | 10 | 8,000 |
| EG4 | WallMount Indoor 314Ah | 16 | 10.24 | LFP | $3,600 | $225 | 10 | 10,000 |
| EG4 | LL-S 48V | 5.12 | 5.12 | LFP | $1,200 | $234 | 10 | 7,000 |
| Pytes | E-Box 48100R | 5.12 | 2.56 | LFP | $1,200 | $234 | 10 | 6,000 |
| EG4 | WallMount All Weather 314Ah | 16 | 10.24 | LFP | $3,900 | $244 | 10 | 10,000 |
| EG4 | WallMount All Weather 280Ah | 14.3 | 7.17 | LFP | $3,500 | $245 | 10 | 8,000 |
| EG4 | LifePower4 V2 48V | 5.12 | 5.12 | LFP | $1,300 | $254 | 10 | 6,000 |
| EG4 | LifePower4 V2 24V | 5.12 | 5.12 | LFP | $1,300 | $254 | 10 | 6,000 |
| EG4 | LifePower4 V2 12V | 5.12 | 5.12 | LFP | $1,300 | $254 | 10 | 6,000 |
| Pylontech | US5000 | 4.32 | 4.56 | LFP | $1,200 | $278 | 10 | 6,000 |
| Pylontech | US3000C | 3.2 | 3.55 | LFP | $900 | $281 | 10 | 6,000 |
| Pylontech | US2000C | 2.16 | 2.2 | LFP | $650 | $301 | 10 | 6,000 |
| Pylontech | Force-H2 | 6.75 | 3.55 | LFP | $2,500 | $370 | 10 | 6,000 |
| Jackery | Battery Pack 2000 Plus | 1.634 | 2 | LFP | $900 | $551 | 5 | 4,000 |
| BYD | Battery-Box Premium HVM 22.1 | 22.08 | 22.08 | LFP | $13,500 | $611 | 10 | 8,000 |
| BYD | Battery-Box Premium HVM 19.3 | 19.32 | 5.12 | LFP | $12,000 | $621 | 10 | 6,000 |
| BYD | Battery-Box Premium HVS 12.8 | 12.8 | 12.8 | LFP | $8,000 | $625 | 10 | 8,000 |
| BYD | Battery-Box Premium HVM 16.6 | 16.56 | 5.12 | LFP | $10,500 | $634 | 10 | 6,000 |
| BYD | Battery-Box Premium HVM 13.8 | 13.8 | 5.12 | LFP | $9,000 | $652 | 10 | 6,000 |
| Fortress Power | eVault Max 18.5 | 18.5 | 8 | LFP | $12,500 | $676 | 10 | 6,000 |
| BYD | Battery-Box Premium HVM 11.0 | 11.04 | 5.12 | LFP | $7,500 | $679 | 10 | 6,000 |
| BYD | Battery-Box Premium HVS 10.2 | 10.24 | 10.24 | LFP | $7,000 | $684 | 10 | 6,000 |
| Fortress Power | LFP-10 | 10.24 | 5.12 | LFP | $7,000 | $684 | 10 | 6,000 |
| BYD | Battery-Box Premium HVS 7.7 | 7.68 | 7.68 | LFP | $5,500 | $716 | 10 | 6,000 |
| BYD | Battery-Box Premium HVM 8.3 | 8.28 | 5.12 | LFP | $6,000 | $725 | 10 | 6,000 |
| Fortress Power | eFlex 5.4 | 5.4 | 2.56 | LFP | $4,000 | $741 | 10 | 6,000 |
| Bluetti | AC200P | 1.6 | 2 | LFP | $1,300 | $813 | 4 | 3,500 |
| Tesla | Powerwall 2 | 13.5 | 5 | NMC | $11,000 | $815 | 10 | 5,000 |
| Bluetti | AC180 | 0.922 | 1.8 | LFP | $800 | $868 | 5 | 3,500 |
| EcoFlow | DELTA Pro | 2.88 | 3.6 | LFP | $2,500 | $868 | 5 | 3,500 |
| BYD | Battery-Box Premium LVS 4.0 | 4 | 4 | LFP | $3,500 | $875 | 10 | 6,000 |
| LG Energy Solution | RESU Prime 16H | 15.2 | 7 | LFP | $13,500 | $888 | 10 | 6,000 |
| EcoFlow | RIVER 2 Pro | 0.614 | 0.8 | LFP | $550 | $896 | 5 | 3,000 |
| EcoFlow | DELTA 2 | 0.819 | 1.8 | LFP | $750 | $916 | 5 | 3,000 |
| EcoFlow | DELTA 2 Max | 1.638 | 2.4 | LFP | $1,500 | $916 | 5 | 3,000 |
| Tesla | Powerwall 3 | 13.5 | 11.5 | LFP | $12,500 | $926 | 10 | 6,000 |
| Franklin WH | aPower | 13.6 | 5 | LFP | $13,000 | $956 | 12 | 6,000 |
| Bluetti | AC200MAX | 1.638 | 2.2 | LFP | $1,600 | $977 | 4 | 3,500 |
| SimpliPhi | AccESS | 15.2 | 6.72 | LFP | $15,000 | $987 | 10 | 10,000 |
| SolarEdge | Energy Bank | 10 | 5 | LFP | $10,000 | $1000 | 10 | 6,000 |
| Franklin WH | aPower Plus | 15 | 10 | LFP | $15,000 | $1000 | 15 | 6,000 |
| SimpliPhi | PHI 3.8 | 3.8 | 3.8 | LFP | $3,800 | $1000 | 10 | 10,000 |
| Canadian Solar | EP Cube | 9.9 | 7.6 | LFP | $10,000 | $1010 | 12 | 6,000 |
| LG Energy Solution | RESU 10H | 9.3 | 5 | NMC | $9,500 | $1022 | 10 | 4,000 |
| SolarEdge | Home Hub Battery 10kWh | 9.7 | 5 | LFP | $10,000 | $1031 | 10 | 6,000 |
| Jackery | Explorer 3000 Pro | 2.419 | 3 | NMC | $2,500 | $1033 | 5 | 2,000 |
| Bluetti | EP500Pro | 4.096 | 3 | LFP | $4,500 | $1099 | 5 | 6,000 |
| Jackery | Explorer 2000 Plus | 1.634 | 3 | LFP | $1,800 | $1102 | 5 | 4,000 |
| Enphase | IQ Battery 10T | 10.08 | 3.84 | LFP | $12,000 | $1190 | 15 | 8,000 |
| Savant | Power Storage | 10 | 5 | LFP | $12,000 | $1200 | 10 | 6,000 |
| Jackery | Explorer 1000 Plus | 1.011 | 2 | LFP | $1,300 | $1286 | 5 | 4,000 |
| Enphase | IQ Battery 5P | 5 | 3.84 | LFP | $6,500 | $1300 | 15 | 8,000 |
| Enphase | IQ Battery 3T | 3.36 | 1.28 | LFP | $4,500 | $1339 | 15 | 8,000 |
| sonnen | eco 10 | 10 | 4.8 | LFP | $15,000 | $1500 | 10 | 10,000 |
| Generac | PWRcell M6 | 8.6 | 4.5 | NMC | $15,000 | $1744 | 10 | 4,000 |
| sonnen | ecoLinx | 20 | 8 | LFP | $36,000 | $1800 | 15 | 10,000 |
| Generac | PWRcell M4 | 5 | 3.4 | NMC | $11,000 | $2200 | 10 | 4,000 |
| HomeGrid | Stack'd Series 38.4kWh | 38.4 | 34.4 | LFP | -- | -- | 10 | 6,000 |
| HomeGrid | Stack'd Series 28.8kWh | 28.8 | 25.8 | LFP | -- | -- | 10 | 6,000 |
| HomeGrid | Stack'd Series 19.2kWh | 19.2 | 19.2 | LFP | -- | -- | 10 | 6,000 |
| Panasonic | EverVolt AC Series EVAC-105 | 17.1 | 9 | LFP | -- | -- | 15 | 6,000 |
| HomeGrid | Stack'd Series 14.4kWh | 14.4 | 12.9 | LFP | -- | -- | 10 | 6,000 |
| Panasonic | EverVolt 2.0 EVDC-105 | 13.6 | 7.6 | LFP | -- | -- | 15 | 6,000 |
| Docan Power | 48V 200Ah Server Rack LiFePO4 | 8.19 | 10.24 | LFP | -- | -- | 5 | 6,000 |
| HomeGrid | Stack'd Series 9.6kWh | 9.6 | 9.6 | LFP | -- | -- | 10 | 6,000 |
| Eco-Worthy | 48V 100Ah Server Rack LiFePO4 | 4.1 | 5.12 | LFP | -- | -- | 5 | 3,500 |
| SOK Battery | 48V 100Ah Server Rack LiFePO4 | 4.1 | 5.12 | LFP | -- | -- | 5 | 4,000 |
| Docan Power | 48V 100Ah Server Rack LiFePO4 | 4.1 | 5.12 | LFP | -- | -- | 5 | 6,000 |
| Pytes | V5° | 5.12 | 2.56 | LFP | -- | -- | 10 | 6,000 |
| SOK Battery | 12V 206Ah LiFePO4 | 2.11 | 2.56 | LFP | -- | -- | 5 | 4,000 |
| SOK Battery | 12V 100Ah LiFePO4 | 1.02 | 1.28 | LFP | -- | -- | 5 | 4,000 |
Prices are estimates and may vary by region, installer, and system configuration. DIY batteries (EG4, SOK, Eco-Worthy) show battery-only pricing; professional installation adds $2,000-$5,000. Whole-home systems (Tesla, Enphase, Franklin) show estimated installed prices. Compare any two batteries side-by-side.
Best Value Analysis
Value in the battery market depends heavily on your use case. For DIY off-grid and backup systems, the lowest $/kWh is the primary metric. For whole-home backup with professional installation, total system cost, integrated features (like built-in inverters), and warranty terms matter more.
Best Budget: EG4 and Server-Rack LFP Batteries
EG4 dominates the budget market with their LifePower4 and LL-series 48V batteries at approximately $215-$255/kWh for the battery alone. Their WallMount series offers 14.3-16 kWh in a wall-mounted form factor at $225-$245/kWh. SOK, Eco-Worthy, Docan Power, and Pylontech compete in the same price range. These batteries are popular in DIY off-grid and partial-home backup systems. They require a separate inverter and electrical work, so the total installed cost is higher -- but still typically 40-60% less than turnkey systems.
Best Mainstream: Tesla Powerwall 3 and BYD Battery-Box
Among professionally installed whole-home systems, the Tesla Powerwall 3 offers exceptional value at approximately $925/kWh installed because its integrated 11.5 kW solar inverter eliminates the need for a separate string inverter (saving $1,500-$2,500). The BYD Battery-Box Premium HVS series offers the lowest $/kWh among professional-grade batteries at approximately $625/kWh, though it requires a compatible hybrid inverter. Both use LFP chemistry with 6,000-cycle warranties. The Powerwall 3 adds 185 LRA startup rating for powering air conditioning.
ITC Repeal Impact on Battery Economics
The repeal of Section 25D affects batteries even more than solar panels, because battery storage was only added to the residential ITC in 2023. Many homeowners were just beginning to take advantage of the 30% battery credit when it was eliminated. The practical impact:
Direct Cost Impact
A Tesla Powerwall 3 installation that cost approximately $8,750-$11,550 after the 30% ITC now costs $12,500-$16,500 -- an increase of $3,750-$4,950. For a dual-Powerwall system, the ITC loss is $7,500-$10,000. This has pushed the payback period for batteries from 8-12 years to 12-18 years in most markets, making the pure financial case for batteries more challenging. Batteries are increasingly justified by backup power value and energy independence rather than pure dollar savings.
Budget Battery Surge
The ITC repeal has accelerated adoption of budget server-rack batteries. An EG4 WallMount 314Ah system (16 kWh) at approximately $3,600-$3,900 -- plus $2,000-$3,000 for an inverter and installation -- provides a complete backup system for $5,600-$6,900. That is less than half the cost of a single Tesla Powerwall 3. While budget batteries lack the polish and monitoring of premium systems, they provide the same essential function: storing and dispatching energy. Check our best batteries guide for our recommended picks at every price point.
State Battery Incentives Still Available
Several states offer battery-specific incentives that help offset the lost federal credit: California's SGIP provides up to $1,000/kWh for qualifying batteries (higher for equity customers). Massachusetts' Mass Save program includes battery storage rebates. Connecticut, Oregon, and Maryland have battery incentive programs. Check your state solar page for current battery incentive details.
Frequently Asked Questions
How much does a home battery cost in 2026?
Home battery costs in 2026 range from approximately $200 to $1,800 per kWh of usable capacity, depending on the brand, chemistry, and whether it is a DIY server-rack battery or a professionally installed whole-home system. Mainstream whole-home batteries (Tesla Powerwall 3, Enphase IQ, Franklin WH) cost $850-$1,300/kWh installed. Budget options from EG4, SOK, and Pylontech range from $200-$350/kWh for the battery alone (installation not included). The premium market (sonnen ecoLinx, Generac PWRcell) runs $1,200-$1,800/kWh.
Is the federal tax credit still available for batteries in 2026?
The residential solar tax credit (Section 25D), which included standalone battery storage starting in 2023, was repealed in early 2026. Homeowners can no longer claim a federal tax credit for battery installations. However, commercial battery projects still qualify for the 30% ITC under Sections 48/48E. Some state programs (California SGIP, Massachusetts Mass Save) offer battery-specific rebates that can offset 20-40% of costs. Check your state incentive page for current programs.
What is the best value home battery in 2026?
For DIY and off-grid systems, EG4 batteries offer the lowest cost per kWh at approximately $215-$280/kWh for the battery alone. SOK, Eco-Worthy, and Pylontech are also competitive in the sub-$300/kWh range. For professionally installed whole-home backup, the Tesla Powerwall 3 ($925/kWh) and BYD Battery-Box HVS ($625/kWh) offer the best value among mainstream options. The Powerwall 3's integrated solar inverter can eliminate the need for a separate string inverter, potentially saving $1,500-$2,500 in total system cost.
LFP vs NMC battery: which is better for home storage?
LFP (Lithium Iron Phosphate) has become the dominant chemistry for home batteries, used in 69 of 74 models in our database. LFP offers longer cycle life (4,000-10,000 cycles vs 2,000-5,000 for NMC), better thermal stability (lower fire risk), wider operating temperature ranges, and 100% depth of discharge. NMC (Nickel Manganese Cobalt) is used in 5 models and offers higher energy density (lighter and more compact) but shorter cycle life and higher degradation. For home storage where weight is not critical, LFP is the clear winner in 2026.
Related Guides
Last updated: February 2026. Prices are estimates based on market data and installer quotes. Actual costs vary by region, installer, and system configuration. Verify pricing with your installer before purchase.