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Either the charger or the battery is faulty, from the sound of your fault description. If the tablet will turn on and run normally when the charger is plugged in, then the problem most likely lies with the battery. If it will not run even when the charger is on, then the charger is most likely the cause of the fault. If your tablet is still under warranty, either problem should be repaired free
Check the charges, the charger cable, its connectors and the connector on the phone. Everything should be clean and shiny. Not a speck of dust is allowed in any of the connectors. Use pressured air (in a can) to blow dust or a piece of paper out any contact. Never use sharp or metallic tools to pul out debris.
Perhaps you should also borrow a charger from someone else, to exclude the charger as cause of the problem.
If it is the phone, don't try to repair this yourself, if you don't have the skills.
Are there any tips on how to extend the battery life? Things you should know about charging your battery.
New batteries are not fully charged. Plug the battery charger into your phone and an electrical outlet. Your phone might take several seconds to start charging the battery.
It may take several charging cycles for your battery to reach optimum performance.
The battery charger shipped with this device is designed specifically for Motorola mobile phones. Other chargers might take longer to charge your battery, or cause your calls to fail during charging.
You can charge your phone via USB cable but this charging time will vary based on computer specifications.
Tips to extend battery life:
Select a shorter backlight duration
Lower the display brightness
Use the AC adapter to charge your phone whenever possible
Turn Bluetooth off when not in use
Turn Wi-Fi off when not in use
Close any third party applications running in the background
Playing music, videos and viewing images in your phone will affect your battery life
General Battery use & safety
Motorola recommends you always use Motorola-branded batteries and chargers. The warranty does not cover damage caused by non-Motorola batteries and/or chargers.
Caution: Use of an unqualified battery or charger may present a risk of fire, explosion, leakage, or other hazard. Improper battery use, or use of a damaged battery, may result in a fire, explosion, or other hazard.
Your battery can be charged without it being fully depleted, and can be charged every day if desired.
Battery usage by children should be supervised.
Important: Motorola mobile devices are designed to work best with qualified batteries. If you see a message on your display such as Invalid Battery, Invalid Charger or Unable to Charge, take the following steps:
Remove the battery and inspect it to confirm that it bears a Motorola "Original Equipment" hologram;
If there is no hologram, the battery is not a qualified battery
If there is a hologram, replace the battery and retry charging it
If the message remains, contact a Motorola Authorized Service Center
New batteries or batteries stored for a long time may take more time to charge.
Charging precautions: When charging your battery, keep it near room temperature. Never expose batteries to temperatures below 0°C (32°F) or above 45°C (113°F) when charging. Always take your mobile device with you when you leave your vehicle
When storing your battery, keep it in a cool, dry place.
It is normal over time for battery life to decrease, and for the battery to exhibit shorter runtime between charges or require more frequent or longer charging times. Motorola batteries are designed to last between 350-700 charge/discharge cycles at room temperature. This amounts to approximately a year to a year and a half of battery use for most people.
Avoid damage to battery and mobile device. Do not disassemble, open, crush, bend, deform, puncture, shred, or submerge the battery or mobile device. Avoid dropping the battery or mobile device, especially on a hard surface. If your battery or mobile device has been subjected to such damage, take it to a local service center before using. Do not attempt to dry it with an appliance or heat source, such as a hair dryer or microwave oven.
Use care when handling a charged battery-particularly when placing it inside a pocket, purse, or other container with metal objects. Contact with metal objects (such as jewelry, keys, beaded chains) could complete an electrical circuit (short circuit), causing the battery to become very hot, which could cause damage or injury.
If the charger is working correctly, it should turn itself off automatically (may go into float chrarge depending on type of charger). There should be an LED or an amp meter on the charger to tell you when the charge is complete. When the batteries are charged, you should be able to leave the charger switched on and it should cause no harm UNLESS the charger is faulty, in which case it will continue charging and damage the batteries. You should be able to tell if this is happening as the batteries will become very warm. If the batteries are losing their charge after you have switched the charger off, it is most likely that your batteries need replacing. Failing that, you may have a short somewhere which unfortunately, could be difficult to find.
1. batteries are weak, is the charger ok ? just because it 's green does not mean the charger is ok, can you validate the charge, try some other batteries ?,
2. Brake be activated or on at all times,
The best way to prove this is to remove the brake mech from the side of the motor completey now try the scooter, if the problem goes away then check the resistance of the brake, is it open or shorted ?
If you feel the brake, batteries and charger are working ok then the controller must be activating the brake and this is the fault but please double check the voltage on the brake leads.