Battery Yato 18v System Li Ion 4AH
his is a 4 Ah (4000 mAh) Li‑Ion battery pack for the Yato 18 V cordless tool platform, offering a good balance of runtime, weight and fast‑charging for all Yato 18...

his is a 4 Ah (4000 mAh) Li‑Ion battery pack for the Yato 18 V cordless tool platform, offering a good balance of runtime, weight and fast‑charging for all Yato 18 V system tools. It delivers 72 Wh of energy with a high maximum output current of 60 A, making it suitable even for more demanding tools like impact drivers and jigsaws.
Key specifications
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Model / symbol: YT‑828463
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Battery type: Li‑Ion
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Voltage: 18 V d.c.
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Capacity: 4 Ah / 4000 mAh
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Energy: 72 Wh
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Maximum output current: 60 A (very high for a 4 Ah pack, allows high‑load tools)
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Weight: approx. 0.68–0.68 kg (about 680 g)
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Charge‑level indicator: Yes, built‑in LED indicator
Charging times (by charger)
From the Yato/Toya data, charging time depends on which Yato 18 V charger you use:
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120 min – chargers YT‑82848, YT‑82849, YT‑828498, YT‑828499
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55 min – chargers YT‑828500, YT‑828501
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32 min – fast charger YT‑828502
All sources agree it supports fast charging and is compatible with the full range of Yato 18 V system chargers, including fan‑cooled and solar versions.
Features and protections
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Improved cell protection system against overheating and complete discharge at rest, extending battery life and safety.
- High maximum current (60 A) for strong performance with screwdrivers, jigsaws and other high‑draw tools over long sessions.
- Fully compatible with all Yato 18 V system tools, so you can use the same pack across drills, drivers, saws, grinders and more.
