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HTRC P20 20Amp 12V-24V Battery Charger-featured

HTRC P20 20Amp 12V-24V Battery Charger User Manual

HTRC P20 20Amp 12V-24V Battery Charger

HTRC P20 20Amp 12V-24V Battery Charger-product

Technical Specifications

  • Model: P20/20AMP/N20
  • AC Input Voltage: 100-240V~50/60Hz
  • Applicable battery type: Lithium, LiFePO4, Lead-acid (AGM, GEL, EFB, MF, FLOODED, VRLA, SLA, WET, etc.)
  • Applicable battery voltage: 12V,24V
  • Charging Current: Max 20A(12V),Max 10A(24V)
  • Minimum Start Volt: 2V
  • Input Power with Load: Max 280W
  • Net weight: 470g
  • Dimension: 158*90*50mm

Interface description

HTRC P20 20Amp 12V-24V Battery Charger-1

Charge current switch. 3 levels are optional: 5A(12V)/3A(24V), 10A(12V)/5A(24V), 20A(12V)/10A(24V).

For charging 12V or 24V Lithium batteries, for batteries used on Battery Management Systems(BMS) only.

For ordinary lead-acid batteries/maintenance-free batteries, including AGM, GEL, SLA, WET, DEEP CYCLE, EFB, Calcium, etc.

For charging 12V or 24V LiFePO4 batteries.

For activation or maintenance of weak,  old, and idle batteries.

Can not repair severely damaged batteries. Only for lead-acid batteries.

Used to select a mode

Auto-Memory The charger has a memory function and will automatically select the last mode.

How to charge the battery?

HTRC P20 20Amp 12V-24V Battery Charger-2

  1. Connect the charger to the AC power.
  2. Adjust and select the appropriate charging current gear.
  3. Select the corresponding mode according to the battery type.
  4. Connect the charger and battery. (The charger automatically recognizes the battery voltage and selects 12V or 24V.)

Note:

  1. Do not charge for the lithium battery without a battery protection board(BMS).
  2. Charge batteries with a capacity of less than 20AH with the minimum current.

Estimated Charging Time For Different Battery Capacities.

HTRC P20 20Amp 12V-24V Battery Charger-3

The estimated charging time is for reference only; please refer to the actual time.

Features

  1. Supports Lithium,  Lead-acid(AG M, G EL, SLA,  Flooded, W ETEFB, etc), and LiFePo4 battery.
  2. Fully automatic microprocessor control. The 9-stage charging program provides the best and most efficient battery charging.
  3. Charging voltage automatically adapts to temperature to prevent over-or under-charging.
  4. With a repair function to repair old, weak, and idle batteries.
  5. With overcharge protection, reverse polarity protection, short circuit protection, spark-free contact, etc.
  6. With the Lan CD screen showing voltage, current, battery power,  temperature, etc.
  7. The charge current can be selected.
  8. The charger has an auto-memory function and will return to the last mode when connected.

Screen Icon Description

HTRC P20 20Amp 12V-24V Battery Charger-4

  • Repair Mode. An advanced battery recovery mode for repairing and storing old, idle, damaged, stratified, and sulfated batteries. The maximum repair time is 24 hours. Only for lead-acid batteries. Can not repair badly damaged batteries. HTRC P20 20Amp 12V-24V Battery Charger-5
  • Wrong polarity, please change the connection of the clamps. HTRC P20 20Amp 12V-24V Battery Charger-6
  • Defective battery, please have the battery checked by a mechanic,c,, and if necessary, change the battery. HTRC P20 20Amp 12V-24V Battery Charger-7
  • Bad connection, please check the connection between the charger and the battery. HTRC P20 20Amp 12V-24V Battery Charger-8

9-stage charging process optimizing battery power precisely and gently.

HTRC P20 20Amp 12V-24V Battery Charger-9

  1. Battery desulfation
  2. Soft start charging
  3. Bulk charging
  4. Absorption charging
  5. Trickle charge
  6. Battery test
  7. Recondition charging
  8. Float & maintenance charging
  9. Small current to maintain charging

WARNINDo

  1. on not charging for the lithium battery without a battery protection board(BMS).
  2. Charge the battery below 20AH with the minimum current.
  3. The charger is designed for 12V and 24V Lithium, Lead-acid, LiFePO4 batteries.
  4. Check battery specifications before using.
  5. Provide ventilation to prevent flames and sparks.
  6. Do not expose the charger to the sun or to high high-temperature environment.
  7. Battery acid is corrosive. Rinse immediately with water if acid comes into contact with skin or eyes.
  8. Do not charge a frozen or damaged battery.
  9. Do not charge non-rechargeable batteries.
  10. Do not place the charger on the battery while charging.
  11. Be extra cautious to reduce the risk of dropping a metal tool on the battery. It might spark or short-circuit the battery or other electrical parts that maywhichuse an explosion.
  12. When working with a lead-acid battery, remove personal metal items such as rings, bracelets, necklaceswatchesch…
  13. Do not smoke or allow a spark or flame while charging.
  14. In order to reduce the risk of electric shock, unplug the charger from the AC outlet before doing any maintenance or cleaning.
  15. Not intended for children or anyone unable to follow the user manual.

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HTRC P20 20Amp 12V-24V Battery Charger- FAQs

1. What is the price of a 12V 20Amp battery charger in Pakistan?

The average price of a 12V 20Amp battery charger in Pakistan ranges around ₨6,000 to ₨7,500, depending on the brand and features. For example, the Simtek 12V 20Amp automatic charger costs about ₨6,320.

2. Who manufactures HTRC battery chargers?

HTRC battery chargers are produced by Shenzhen Haitan Technology Co., Ltd, a reputable electronics manufacturer known for high-quality charging solutions. You can learn more on their official website: ht-rc.com

3. Is HTRC a reliable brand?

HTRC offers advanced battery charging products, but users should ensure they are purchasing from verified sources. Some earlier models faced safety recalls, so always check the latest product version and certifications before buying.

4. Can I charge a 12V battery with a 24V charger?

No, a 24V charger should never be used on a 12V battery. Doing so can cause excessive current flow, damaging the battery or charger permanently.

5. How long does it take to charge a 12V battery at 20 amps?

Charging a standard 12V 50Ah car battery with a 20A charger takes about 2.5 hours. The charging time depends on the battery’s capacity and condition.

6. How do I know when my 12V battery is fully charged?

A fully charged 12V battery typically reads 12.8V or slightly higher on a voltmeter. Readings below 12.5V may indicate partial discharge or battery wear.

7. Can I leave a battery charger connected overnight?

It’s not recommended to leave a charger connected overnight, especially a non-smart model. Overcharging can cause battery swelling, overheating, or damage. Use a smart charger with auto shut-off for safety.

8. Can a completely dead battery be recharged?

Yes, a dead battery can often be recharged if it hasn’t suffered internal damage or sulfation. However, very old or damaged batteries may not hold a charge even after recharging.

9. How many amps are needed to charge a 24V battery?

A general rule is to use a charger with about 25% of the battery’s amp-hour (Ah) capacity. For example, a 100Ah 24V battery needs around a 25A charger.

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