Battery Guide
Everything you need to pick the right compatible replacement pack for your cordless tools.
Understanding Voltage (V)
Voltage defines the power class of a tool system. A battery must match the tool's voltage platform — you cannot safely run an 18V tool on a 12V pack. Common classes we cover:
| Voltage | Typical platforms | Use |
|---|---|---|
| 12V | Makita CXT, Bosch 12V, Milwaukee M12, Ryobi 12V, Worx 12V | Light drilling, driving |
| 18V / 20V Max | Makita LXT, DeWalt 20V MAX, Milwaukee M18, Bosch 18V, Ridgid 18V | General pro / trade |
| 36V / 40V | Makita XGT, Metabo MultiVolt, Ryobi 40V, Greenworks 40V, Worx 40V | Outdoor & heavy duty |
| 60V / 80V | DeWalt FLEXVOLT, Greenworks 60V/80V, Kobalt 80V | Equipment & mowers |
Understanding Capacity (Ah)
Amp-hours (Ah) measure runtime, not power. A 5.0Ah pack lasts roughly twice as long as a 2.5Ah pack of the same voltage. Higher Ah also means more weight. Choose by the balance you need:
- 2.0–3.0Ah — light, compact, good for overhead and quick tasks.
- 4.0–5.0Ah — the everyday workhorse for most trades.
- 6.0–9.0Ah — extended runtime for demanding or continuous use.
Compatibility & Fit
Each power-tool brand uses a proprietary slide/click interface. Our packs are engineered to the exact physical interface, voltage and communication profile of the named platform. We describe every product as "compatible with" or a "replacement for" the original — never as an original part.
BMS & Safety
Every ToolBatt pack includes a Battery Management System that protects against:
- Over-charge and over-discharge
- Over-current and short circuit
- Over-temperature during charge/discharge
- Cell imbalance across the pack
Battery Care & Storage
- Store at 40–60% charge in a cool, dry place (10–25°C).
- Avoid fully draining Li-ion cells before recharge.
- Use the original or a matched charger for the platform.
- For long storage, top up the charge every 3–6 months.