This battery cannot be used for Motor, fan, air pump, water pump.  The battery will immediately burn out if used for fans

Features

100% Brand new!
High quality rechargeable lithium battery pack 12V batteries. There is an on/off switch on the battery.
Over-voltage, over-current, over-charge, and short-circuit protection Li-ion battery.
Safe and reliable, premium battery with high temperature PVC wrapper, no toxic waste.
High energy density, with large capacity, great for long term daily use.
With standard 5.5x2.1mm DC connector plug, provides excellent continuous power to your devices.
Specially designed for powering the system devices which use12V DC power like wireless cameras, personal processing systems, PDA personal data assistants, personal communication systems, walkie-talkies, digital cameras, camcorders, video cameras, Bluetooth devices, CD players, MD players, portable DVD, MP3 player, smart card, aviation model and so on. Can be used to 12V power in various fields.

Specifications
Chemistry: Li-ion
Input voltage: 12.6V
Output voltage: DC 9.5~12.6V
Capacity: 3000/6800/9800/12000/20000mAh
Output Current: 1-2A
Plug Type: DC connector 5.5x2.1mm
Product Life: Circulation and discharge load more than 500 times

Attentions
1. Please allow tiny size deviations due to human measurement.
2. This product is slightly hot when working, which is normal. Avoid strong crushing and collision during use.
3. It is best not to use the battery for more than one year to avoid a drop in capacity.
4. Keep away from high temperatures and store in a cool, dry place. To reduce the risk of fire or burns.
5. Do not squeeze, puncture, and do not attempt to open, disassemble or repair the battery pack.
6. Do not dispose of in water or fire above 60°(140°F).
7. When charging this item, turn the switch on. If you want to measure voltage, it is recommended to use a pointer multimeter. Because digital meters are easy to jump tables.

Package Included:
1 x DC 12V Rechargeable Battery

1 x Charger 

Battery charging method:
1,Turn on the battery light "on":red. Connect the wall plug and the plug turns green.
2,Start charging,the plug indicator is red.When the battery is fully charged,the battery indicator remains red. the plug light turns GREEN.
3,Usually 3-4 hours to complete the charge.

TIPS:
1,Please charge the battery before use.
2,Once the voltage drops to 8.5 volt or less,It means there is no more energy,you have to charge it.When the voltage is between 12v and 12.6,it is full.
3,When the battery has no power, disconnect your product and charge the battery. If it is connected your product at this time, the indicator light is still on and the battery will not charge.
4,Please note that this battery is not suitable for charging your phone.