- LEIYU 21 V batteries come in four capacities, 2.0, 4.0, 6.0 and 8.0 Ah, and fit all 21 V tools; XLY-16-10 uses a dedicated 16.8 V battery.
- 2.0 Ah is the lightest, for light loads; 4.0 Ah is the all-rounder; 6.0 Ah is the main capacity for wrenches, grinders, rotary hammers and circular saws; 8.0 Ah is for high torque and long shifts.
- In winter keep batteries indoors and fit them only when you start work; bring a battery back from the cold to room temperature before charging it.
- For long storage keep about half the charge and top it up every 2 to 3 months; stop using any battery that is swollen, cracked or gets unusually hot when charging.
- Batteries have a 1-year warranty; batteries with water damage, drop damage or a replaced housing are not covered.
What capacities do LEIYU 21 V batteries come in?
The LEIYU 21 V platform offers 2.0, 4.0, 6.0 and 8.0 Ah batteries that fit all 21 V tools. The XLY-16-10 compact drill uses a dedicated 16.8 V battery.
| Capacity | Unit weight | Models supplied as standard |
|---|---|---|
| 2.0 Ah | 0.389 kg | XLY-21-10, XLY-6035, XLY-6040 |
| 4.0 Ah | 0.63 kg | XLY-600, XLY-380, XLY-21-13, XLY-01-18, XLY-205, XLY-6035, XLY-6040, LY-75C, XLY-806, XLY-807, XLY-177 |
| 6.0 Ah | 0.87 kg | XLY-1000, XLY-600, XLY-380, XLY-21-13C, XLY-26-1, XLY-26-2, XLY-05-24, XLY-100, XLY-101, XLY-150, XLY-305, LY-200, XLY-200S, LY-75C, XLY-SET-2, XLY-SET-3, XLY-SET-4-600, XLY-SET-4-1000 |
| 8.0 Ah | 0.916 kg | XLY-2000 |
Choosing capacity？
- 2.0 Ah: the lightest option, suitable for light, intermittent work with drills, pruning shears and similar tools.
- 4.0 Ah: a versatile option commonly used with drills, rivet guns, metal shears and 380 and 600 impact wrenches.
- 6.0 Ah: a primary choice for impact wrenches, angle grinders, rotary hammers and circular saws.
- 8.0 Ah: for high torque and extended work; standard with XLY-2000.
How to handle batteries in winter?
Central Asian winters are cold, and usable lithium battery capacity falls significantly at low temperatures. Recommendations:
- Keep batteries indoors or in an insulated container when not in use, and fit them to the tool when needed.
- Let batteries brought indoors warm to room temperature before charging.
- Keep an extra battery available for rotation during winter work.
How to charge and store them?
- Charge indoors in a ventilated area at 0 to 40 °C, away from flammable materials.
- Use a LEIYU 21 V charger.
- Top up batteries you are not using: keep them at about half charge and recharge every 2 to 3 months, and they will last longer.
- Recharge promptly when only one indicator bar remains to avoid prolonged over-discharge.
When should a battery be taken out of use?
Stop using batteries with cracked housings, swelling, deformation, abnormal heat or odours during charging. Recycle them according to local rules and do not dismantle them.
Batteries have a 1-year warranty; packs with water damage, drop damage or a replaced housing are not covered.
This guide provides general usage advice. Refer to the manual supplied with the tool for specific instructions.
Frequently asked questions
Are batteries of different capacities interchangeable?
Yes. 21 V batteries from 2.0 to 8.0 Ah fit every LEIYU 21 V tool; only XLY-16-10 uses a dedicated 16.8 V battery.
How long is the battery warranty?
Batteries and chargers have a 1-year warranty; batteries with water damage, drop damage or a replaced housing are not covered.
What if the charge drops fast in winter?
Keep spare batteries indoors or in an insulated box and fit them only when needed; in winter carry a second battery and swap them.