Sumake EP-1800, Instruction Manual

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! WARNING
Additional Safety Rules for Charger & Battery Pack
1. Do not charge battery pack when temperature is below 10°C (50°F) or
above 40°C (104°F).
2. Do not attempt to use a set-up transformer, an engine generator or DC
power receptacle.
3. Do not allow anything to cover or clog the charger vents.
4. Always cover the battery pack terminals with the battery pack cover
when the battery pack: is not used.
5. Do not short the battery pack.
6. Do not touch the terminals with any conductive material.
7. Avoid storing battery pack in a container with other metal objects
such as nails, coins, etc.
8. Do not expose battery pack to water or rain, A battery pack short can
use large current flow, overheating, possible burns and even a
breakdown.
9. Do not store the machine and battery pack in locations where the
temperature may reach or exceed 50°C (122°F)
10. Do not incinerate the battery pack even if it is severely damaged or
completely worn out. The battery pack can explode in a fire.
11. Be careful not drop, shake or strike battery pack.
12. Do not charge inside a box or container of any kind. The battery pack
must be placed in a well ventilated area during charging.
13. Do not leave batteries unused for extended period of time. Recharge the
battery every 3~6 months and bring Li-Ion battery to 40~80% charge
level before storage.
14. Li-Ion batteries are sensitive to high temperature and should be kept in a
cool, dry and out of direct light exposure. Ideal temperature for operation
and storage is below 77°F.