TowerTop BC0253 Smart Battery Charger User Manual

Smart Battery Charger
Know Batteries Better

12V 2A/10A/25A AUTOMATIC
BC0253

WELCOME

Thank you for purchasing TowerTop BC0253 Smart Battery Charger.
Please save these instructions for future use. If any issues arise during product use, just feel free to contact us via support.us@51towertop.com

ABOUT TowerTop SMART CHARGER

TowerTop BC0253 is a smart battery charger ideal for 12V STD, AGM, and GEL batteries. With intelligent 8 charging stages and multiple assist functions, it will smartly identify, charge, repair, and maintain your batteries.
Fully-automatic features, manual selections, prior-setting memory, auto-stop when 100% charged, and auto-awake to pulse compensate after voltage drops enrich your pleasant charging experience.

WARNINGS

| PLEASE READ CAREFULLY AND UNDERSTAND ALL SAFETY INFORMATION BEFORE USING THIS  PRODUCT. Failure to follow these safety instructions may lead to Electrical Shock, Explosion, and Fire, which can  result in property damage, serious injury, and even death.
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| Electrical Shock – The battery charger is an electrical device that may shock and cause serious injury. Do not use the  charger if the power cords are damaged. Do not submerge in water or get wet.
| Explosion – Do not attempt to charge any frozen, damaged, incompatible batteries. Never try to charge lithium  batteries with high-voltage shock. Apply the charger only to batteries with recommended voltage.
| Fire – Use the product in well-ventilated areas. Do not cover the product. Do not smoke or use any source of  electrical spark or fire when using the charger. Keep product away from flammable materials.
| Eye Injury – Wearing eye protection to use the charger is recommended. Batteries can explode and cause flying  debris. Battery acid can cause eye and skin irritation. If needed, flush affected areas with running clean water and contact medical aid in time.
| Explosive Gases – Batteries may generate explosive gases during normal battery operation.
Please follow all safety instructions and also those published by the battery manufacturer.
Review cautionary markings on these products and on the engine.

PACKAGE OVERVIEW

SPECIFICATIONS

CHARGING TIMES

The size of the battery (Ah) and its depth of discharge (DOD) greatly affect its charging time. The estimated charging time shown below is based on an average discharge depth of 50% to a fully charged battery and is only for reference purposes. Actual data may  differ due to battery conditions and temperature. The charger has “24H Overtime Charging Protection”.

Battery Size
Ah(Amp Hour)| Approximate Time To Charge In Hours
2A ,10A,25A
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25| 12.3| 2.3| 0.75
50| 24.5| 4.5| 1.5
100| | 9.0| 3
200| | 18.0| 6
500| | | 15
1000| | | 30

OPERATING INSTRUCTIONS

• Automatic Charging
  1. Connect the battery clips to the battery terminals. Red clip to the positive terminal (+), and black clip to the negative terminal (-).
  2. Plug the battery charger into the 120V AC outlet. Without any manual selections, the smart charger will take about 30 seconds to automatically identify and charge your battery with the optimal settings (2A & STD).
  NOTE: The battery charger has prior-setting memory function. If you have already charged a battery before and have not reset new modes for a new charging, it will automatically adopt your initial settings for the new charging.

• Manual Charging
  1. Connect the battery clips to the battery terminals. Red clip to the positive terminal (+), and black clip to the negative terminal (-). Plug the battery charger into the 120V AC outlet.
  2. Select your desired charging rate, compatible battery and press “START” button to start charging. All the data will be shown on the LCD screen.
  3. During the charging, you can press “Recondition” button to check t hesmart 8 charging stages. It will automatically switch back to the main interface in 5 seconds.
  4. If you would like to reset the charger during the charging, first press “START” button to pause charging, reset your desired modes, and then press “START” button again to continue charging.
  5. The battery power percentage on LCD display will be 100% once your battery is fully charged. Then the charger will auto-stop charging in this case.
  6. Regarding a long-term connection and charging, the smart charger will auto-restart to pulse maintain battery to 100% full again when it detects voltage dropping. Auto-stop charging when it is 100% full again.

Smart 8-Stage Charging Program

1. Battery Desulfation – Adopt 15.8V pulse voltage for electrolytic removal of sulfated crystals. Automatically skip when not needed.
2. Soft Start – A slow and steady buildup of the charging process that limits the power input to protect your battery.
3. Bulk Charging – The main part of the whole charging process where the battery power will reach about 80% full.
4. Absorption – Fully charge the battery by slowly reducing the charging rate to allow your battery to absorb more power.
5. Battery Analysis – Auto-test the battery state after charging. Abnormal – enter the repair stage; Normal – turn to the next stage.
6. Battery Recondition – Restore over-discharged batteries. After repair, return to the “Bulk” stage. If it fails, an error will be reported.
7. Float Charging – Keep battery at 100% without overcharging or damages; Leave smart charger 24/7 plugged without worry.
8. Pulse Maintenance – Auto-wake up and pulse compensate to 100% full again when the voltage drops, with battery more durable.

Winter Mode Charging
TowerTop smart battery charger, adding 0.2v more on the basis of the initial charging voltage, better boosts your battery activity and charges more thoroughly in low-temperature situations.

After connecting the battery charger to both your battery and the AC outlet, press “AMPS” button to select your desired charging rate, press “Battery Type” button to choose the compatible battery, then press “ ” to select winter mode charging, and press “START”  button to start charging. All the data will be shown on the LCD screen.

Battery Recondition
The “Recondition” function is for recovering idled or unused batteries that are deeply discharged, thus helping the battery last longer. Battery repair time up to 4 hours and “Battery Failure” will be reported if it fails to repair in 4 hours.

With the repair completed, you can directly press “START” button to start charging. Or you just wait for about 30 seconds, the battery charger will automatically switch to the charging status.

Battery Desulfation
The smart battery charger will identify and restore severely-sulfated battery terminals to rehabilitate the lost performance. Battery desulfation time up to 24 hours and “Battery Failure” will be reported if it fails after 24 hours. This mode will automatically skip  and switch to the next stage if your battery does not need to be desulfated.

With the desulfation completed, you can directly press “START” button to start charging. Or you just wait for about 30 seconds, the battery charger will automatically switch to the charging status.

Engine Start Aid
Engine start aid helps in activating your car battery with insufficient power to emergently start your vehicle in 100 seconds. You need to grasp the prompt in the picture below and start your car synchronously. If you miss this interface, you may not be able to  start normally.

Operation Details:

1. Select your battery type, press “Engine Start” button, the LCD screen will show  and then press “START” button. LCD screen shows as follows. It switches to the 100s-count-down interface. You need to wait.

2. In the 60-second interface, it will immediately show the prompt picture below. Now you need to simultaneously start your car.
   

3. If you fail to start your car for the first time, you need to wait for the 30S interface for a second attempt. Now you also need to seize the moment and simultaneously start your car.
   

4. If you fail to start your car for the second time, you need to wait until the count-down is over and show the prompt picture again for a third attempt.

If you fail to start your car in the three attempts above, the LCD display will show as follows. This is the whole working cycle for the “Engine Start” function. In this case, if you still want to have a try again, press “Engine Start” and “START” buttons again, then  repeat previous steps.

TROUBLESHOOTING

2. Abnormal battery charging in soft start stage.
3. Charging timeout in constant voltage  phase(24H)
4. Timeout in the repair phase(4H)
5. Repair mode Repair timeout(4H)
6. Desulphurization mode Desulphurization   timeout(24H)| Please replace the battery.
| 1. Selected charging rate is too small for big-size  battery;
2. The battery condition is not good.| 1. Select higher charging rate and recharge;
2. Battery may be dead, check the battery condition. Replace  battery if needed
| Clamps connected to wrong polarity| Correct the polarity to the right connection.
| The temperature of the charger is too high or the  internal temperature sensor of the charger fails.| Make sure the vents are unblocked. The charger will recharge automatically after cooling down.
If the charger has been  unable to restore charging,  the temperature sensor failure, by a professional maintenance  personnel to check
| Abnormal battery voltage.| Disconnect  the AC power supply of the charger, let  the battery stand for a period of time and then  charge it again.
If the same error occurs again, replace the battery
| Abnormal charging current.| Disconnect the AC power supply of the charger, let the  battery stand for a period of time and then charge it again.  If the same error occurs again, replace the battery.

LIMITED WARRANTY

TowerTop brand series products are covered with a 30-day hassle-free return and an 18-month replacement on Amazon (With no man-made damage). For the defects reported during the warranty period, TowerTop will repair or replace the defective parts or  items after technical analysis and confirmation.
TowerTop shall not be liable for any incidental or consequential damages arising from the disassembling, misuse, or modification of the device. Some states do not allow limitations on how long an implied warranty lasts, so the above limitations may not apply to  you.
The limited warranty is void under the following conditions:

• Misused, disassembled, altered, or repaired by unauthorized stores or technicians.
• Careless handling and violation of operation.

Notice: All information in this manual is based on the latest information available at the time of publication and no warranty can be made for its accuracy or completeness. TowerTop reserves the right to make changes at any time without notice.

Made in China

Documents / Resources

| TowerTop BC0253 Smart Battery Charger [pdf] User Manual
BC0253 Smart Battery Charger, BC0253, Smart Battery Charger, Battery Charger, Charger
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