Honda EM50is Manual De Explicaciones página 54

6.Remove the battery from the battery tray.
Installation:
1.Make sure that the engine switch is turned OFF.
2.Connect the battery positive (+) cable to the battery positive (+) 
terminal, then the battery negative (–) cable to the battery negative
(–) terminal. Tighten the bolts and nuts securely.
3.Install the battery holder band.
4.Install the maintenance cover, and tighten the cover screw.
Never operate the generator without the maintenance cover in place, as
poor engine and generator performance will result.
CAUTION:
When disconnecting the battery cable, be sure to disconnect at the
battery negative (–) terminal first. To connect, connect at the positive
(+) terminal first, then at the negative (–) terminal. Never dis/connect
the battery cable in the reverse order, or it causes a short circuit when
a tool contacts the terminals.
Charging:
The battery is rated at 11.2 Ah (ampere hours). Charging current should
equal 10% of the battery's ampere hour rating. A battery charger
should be used that can be adjusted to deliver 1.1 amps.
The battery gives off explosive gasses; keep sparks, flames and 
cigarettes away from the battery while charging. Provide adequate 
ventilation when charging.
• The battery contains sulfuric acid (electrolyte). Contact with skin or
eyes may cause severe burns. Wear protective clothing and a face
shield.
– If electrolyte gets on your skin, flush with water.
– If electrolyte gets in your eyes, flush with water for at least 15
minutes and call a physician immediately.
• Electrolyte is poisonous.
– If swallowed, drink large quantities of water or milk and follow
with milk of magnesia or vegetable oil and call a physician.
1.Connect the battery charger following the manufacturer's 
instructions.
2.Charge the battery.
3.Clean the outside of the battery and the battery tray compartment
with a solution of baking soda and water.
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