21700 · Cylindrical Batteries

21700 cylindrical cells — a 21 × 70 mm format that lifts single-cell energy by roughly 35% over 18650, requiring fewer cells per pack. The mainstream upgrade for e-mobility and high-power tools, with capacities of 3000–5000 mAh.

21700

21700 cylindrical cells — a 21 × 70 mm format that lifts single-cell energy by roughly 35% over 18650, requiring fewer cells per pack. The mainstream upgrade for e-mobility and high-power tools, with capacities of 3000–5000 mAh.

21700 - Battery Cells in Stock

All models support small samples and bulk orders

Ampace 21700 4000mAh
Ampace 21700 4000mAh

3.7V 4000mAh

Cycle Life ≥ 800

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