GridMatch

Size the right home backup — before you buy the wrong one.

Expandable batteries and whole-home kits, ranked against your appliances, install path, and budget. Physics first. Upsell never.

Backup sizing

Size your home backup

Five questions. Honest matches — no upsell theater.

Catalog

EcoFlow

3 configurations

6.1–90 kWh modular LFP, 7.2 kW / 240V, ~2 h recharge, SHP2 auto transfer option.

6.1kWhCapacity

7.2kWOutput

186.4 lbsWeight

From $4,099

$0.67/Wh

Anker

3 configurations

3.84–26.9 kWh LFP, 6000 W, native 240V, expandable home backup.

3.8kWhCapacity

6kWOutput

132.3 lbsWeight

From $1,699

$0.44/Wh

EcoFlow

2 configurations

4.1–12.3 kWh LFP, 4000 W / 8000 W surge, 240V, ~10 ms UPS.

4.1kWhCapacity

4kWOutput

113 lbsWeight

From $3,199

$0.78/Wh

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Apartments, whole-home under $5k, CPAP, 240V, expandable, value.

Kit vs kit, and every serious base vs Powerwall.