Detailed Answer
Suitable (non-explosion-proof zones). Li-ion has long endurance (5-10 days), poor low-temp tolerance (relative to alkaline); but underground coal mines (intrinsic safety requirement) Li-ion capacity is limited by intrinsic safety (≤ a certain capacity), requiring certified Li-ion. Lideral LD series mining model batteries pass intrinsic safety certification; Xingjia likewise. Explosion-proof zone battery replacement must use certified models.
| Surface | Li-ion general |
| Underground | Certified Li-ion |
| Intrinsic safety | Capacity limited |
Note:Mining Li-ion replacement must use original certified model.