Antewise

Charge Battery — Defect Skill Card in Slay the Spire 2

Updated 17 Oct 2026 Source Slay the Spire 2 card data (spire-codex.com API), 577 cards retrieved 17 October 2026 By
Data status: The facts on this page were checked against the source named above. Game values can still shift with a patch, so re-check anything that looks off.
Charge Battery card art
Charge Battery

Gain 7 Block. Next turn, gain 1 Energy.

CharacterDefect
TypeSkill
RarityCommon
Cost1 Energy
TargetSelf
Total Block7
Per Energy7.00 → 10.00 upgraded

Card text

Gain 7 Block. Next turn, gain 1 Energy.

Upgraded: Gain 10 Block. Next turn, gain 1 Energy.

Where it sits on the curve

Measured the same way as our efficiency tier list: total Block divided by Energy.

Charge Battery produces 7.00 per Energy at base and <strong>10.00</strong> upgraded. That ranks it 15 of 56 of the 56 skills with a fixed cost. It sits in the top 75% on this measure.

The measure ignores everything that is not a number. Area damage, conditions and drawbacks are not priced in.

What it gives back

  • Gains 1 Energy

Other Defect cards at 1 Energy

Where to go next

All 577 cards — the full table, filterable by character. Efficiency tier list — every measurable card ranked.

Rarity system explains how often this card appears. Enchantments covers the modifiers that can change it.

Frequently asked questions

What does Charge Battery do in Slay the Spire 2?

Gain 7 Block. Next turn, gain 1 Energy.

What does upgrading Charge Battery change?

Gain 10 Block. Next turn, gain 1 Energy.

How much does Charge Battery cost?

1 Energy. It is a Common Skill card.

Is Charge Battery efficient for its cost?

It produces 7.00 Block per Energy, which ranks 15 of 56 among the skills that can be measured this way.

More Slay the Spire 2 guides

Sources

Figures and item data on this site are read from the game’s own reference wiki before publishing. Where a value could not be confirmed there, the page says so instead of filling the gap.