Technical Specifications
| Output Voltage | 12V DC |
|---|---|
| Float Voltage | 13.8V |
| Output Current | 10A (Max) |
| Input Voltage | 160V – 260V AC, 50Hz |
| Battery Compatibility | 12V Lead-Acid / VRLA / SMF |
| Battery Capacity Range | 35Ah–100Ah best; 100Ah–200Ah with longer charge times; 7Ah–30Ah only if the battery maker permits 10A |
| Meter Type | Analog Ammeter |
| Protection | Auto Cut-off, Short Circuit, Reverse Polarity |
| Warranty | 6 Months (Manufacturing Defects) |
| SKU | SAM-12V10A-SMPS |
Recommended battery capacities
See It In Action
Opens the product demo video on YouTube in a new tab
12V Battery Charger Uses — Car, Inverter, Solar, DG Set
🚗 Car Battery Charger
🔋 Inverter Battery Charger
☀️ Solar Battery Charger
⚡ DG Set Battery Charger
🏭 UPS Battery Charger
🚌 Truck & Bus Battery Charger
Who Needs a 12V SMPS Battery Charger?
Car & Auto Mechanics
Battery Dealers & Distributors
Home Users — UP, Bihar, Jharkhand & Rural India
Which Battery Suits a 12V 10 Amp Charger?
Battery size — what a 10 amp charger suits
- Primary: 35Ah–100Ah 12V car and SUV batteries.
- Also suitable: 100Ah–200Ah 12V inverter and solar batteries, with longer charging times.
- Smaller batteries: 7Ah–30Ah only where the battery manufacturer permits a 10A charging current. Many small SLA batteries do not — a 12V 1.2A or 12V 3A charger is the correct choice for those.
- Above 200Ah: use the 12V 20A inverter charger.
A 10A output is sized for mid-to-large 12V batteries. A small battery is not automatically suitable just because it falls inside the range — check the charging current its manufacturer permits. Match your battery first:
| Use case | Battery type | Capacity | Right charger |
|---|---|---|---|
| Car & SUV battery charger | 12V SMF / flooded | 35Ah–100Ah | This 10A charger |
| Truck & bus battery charger | 12V heavy-vehicle | 75Ah–180Ah | This 10A charger |
| Home inverter battery charger | 12V tubular / flat plate | 100Ah–200Ah | This 10A charger |
| Tractor battery charger | 12V flooded | 75Ah–150Ah | This 10A charger |
| DG set & generator starter battery | 12V SMF | 65Ah–100Ah | This 10A charger |
| Solar & off-grid storage battery | 12V tubular / VRLA | 75Ah–200Ah | This 10A charger |
| UPS battery charger | 12V VRLA / SMF | 26Ah–100Ah | This 10A charger |
| Bike & scooter battery charger | 12V MF | 4Ah–14Ah | 12V 3A charger |
| Small car battery charger | 12V SMF | 35Ah–65Ah | 12V 6A charger |
| CCTV, alarm & emergency light | 12V SLA / VRLA | 4Ah–12Ah | 12V 1.2A charger |
| Large tubular inverter bank | 12V tubular | above 200Ah | 12V 20A charger |
| Truck 24V series bank | 24V lead-acid | 40Ah–150Ah | 24V 10A charger |
Swipe the table sideways to see all columns. Always confirm the charging current recommended by your battery manufacturer.
How to Charge a 12V Battery With the 10A Analog Charger
- Check the battery rating first
Confirm the battery is 12V lead-acid, VRLA or SMF, and read the charging current its manufacturer recommends. A commonly used guideline for some lead-acid batteries is around 10–15% of rated Ah capacity, which would put 10A at roughly 70Ah and above — but always follow the charging current your battery manufacturer specifies. Smaller batteries often need a lower-current charger.
- Connect the clamps before switching on
Attach red to the positive (+) terminal and black to the negative (−) terminal while the charger is unplugged. Reverse-polarity protection is fitted, but a correct, clean connection is still good practice.
- Switch on the mains supply
Plug into any Indian socket. The 160–260V AC input range covers the voltage fluctuation common in smaller towns and rural areas.
- Read the analog ammeter
The needle shows the current the battery is drawing. A deeply discharged battery may initially draw a higher charging current; as the battery charges, the current typically decreases. Watching the needle is the simplest way to judge progress on an analog charger.
- Disconnect at the end of the charge
When the ammeter has dropped to a low, steady reading the bulk charge is done. Switch off the mains first, then remove the clamps. Follow the charging duration your battery manufacturer states, and check on the charger periodically rather than leaving it running unattended.
- Confirm the resting voltage
Let the battery rest, then check its voltage with a digital volt meter. If a battery repeatedly fails to hold charge, have it tested — it may have reached the end of its service life rather than being undercharged.
12V Battery Charger — Frequently Asked Questions
Can this charger charge car batteries?▼
Yes. This 12V 10A SMPS charger is ideal for standard car batteries (35Ah–100Ah). The analog ammeter shows live current so you can track charging progress in real time.
Is this charger compatible with Maruti, Hyundai, Honda and Tata car batteries?▼
Yes. For common 12V car batteries in the 35Ah–100Ah range — Maruti Suzuki Alto, Swift, Baleno; Hyundai i10, i20, Creta; Honda City, Amaze; Tata Nexon, Altroz; Mahindra Scorpio and more. Suitable for 35Ah to 100Ah batteries.
Can it charge Luminous or Exide inverter batteries?▼
Yes — it works with common 12V inverter batteries up to 200Ah, including Luminous, Exide, Amaron and Okaya. A 150Ah–200Ah battery takes many hours at 10A; follow the charging current and duration your battery manufacturer recommends, and check on the charger periodically. For large tubular banks the 12V 20A inverter charger is faster.
Will it overcharge and damage the battery?▼
The charger has an automatic cut-off that ends the bulk charging current once the battery reaches its set point, after which it holds the 13.8V float voltage listed in the specifications above. That is what reduces the risk of overcharging on a long connection. The correct charging and float voltage varies by battery type and manufacturer, so follow the charging specification supplied with your battery.
Do you offer bulk or dealer pricing?▼
Yes. WhatsApp us at +91-99539-35912 with your requirement and we will send a quote, usually the same working day.