How long does it take to charge a 24V truck battery at 10A?

A fully discharged 150Ah 24V battery bank takes approximately 12 to 15 hours at 10A. At 50 percent discharge, expect 7 to 8 hours. The charger auto-switches to safe trickle once full, no manual disconnection needed.

Samco Battery 24V 10A Automatic SMPS Truck Battery Charger with front-panel analog current meter

24V 10A Battery Charger for Truck, Bus & Tractor

Q: Can I use a 12V charger for my truck battery?

No. A 12V charger cannot charge a 24V battery system and can damage both charger and batteries. Always match charger voltage to your vehicle's system voltage. Call Samco Battery on +91-9953935912 before ordering if unsure.

Q: Is it safe to leave the charger connected overnight?

Yes. The automatic trickle function drops to a safe maintenance current once the battery is full. Safe to leave connected overnight or over the weekend.

4.5/5 · 15 verified buyers · 6-Month Warranty

A fully automatic 24V 10A SMPS battery charger for Indian trucks, buses, tractors and heavy commercial vehicles. Starts charging at 10A — the front-panel analog meter shows live current in real time, dropping toward zero as the battery fills. At full charge it switches automatically to safe trickle maintenance. No overcharging. No manual watching.

🏷 Dealer Discount Available

₹3,090

All-inclusive — GST & shipping included. No extra cost.

🛡 6-Month Warranty · 3-Day Return (unopened) · Full Policy →

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Key Features

Fully Automatic

Charges at 10A then auto-switches to safe trickle. No overcharging, no manual watching needed.

Analog Current Meter

Front-panel 0–10A display. See live current flow at a glance — no app, no guesswork.

Lightweight SMPS

~2 kg — far lighter than transformer chargers. Runs cool on 230V Indian mains.

35–180Ah Range

All 24V types: Lead-Acid, AGM, Gel, SMF, VRLA, Tubular.

Technical Specifications

Input	230V AC, 50Hz (Indian mains)
Output	24V DC, max 10A
Battery Range	35Ah – 180Ah
Technology	SMPS (Switch Mode Power Supply)
Charging Mode	Constant Current → Auto Trickle
Display	Analog ammeter, 0–10A, front panel
Battery Types	Lead-Acid, SMF, VRLA, AGM, Gel, Tubular
Connector	Crocodile / Alligator clips
Weight	Approx. 2 kg
Warranty	6 Months — see full policy
MPN / SKU	SMCO-24V10A-TBC

Compatible Vehicles & Batteries

Trucks: Tata 407 · Tata 709 · Tata 1109 · Tata Signa · Ashok Leyland DOST · Ashok Leyland Partner · Ashok Leyland 1616 · Eicher Pro · BharatBenz
Buses: JCBL Bus · Tata Starbus · Ashok Leyland Viking · Mahindra Bolero Pickup
Tractors & Farm Equipment: Mahindra · John Deere · Sonalika · New Holland · Swaraj
Construction & Industrial: JCB 3DX · Volvo Excavator · Caterpillar · Escorts Crane
Battery Brands (24V systems): Exide · Amaron · SF Sonic · Tata Green · Okaya · Luminous

⚠️ 24V only. Do NOT connect to a 12V battery — it will damage it. For cars, SUVs & home inverters use our 12V 10A Car Battery Charger →

SMPS vs Transformer Charger

Feature	This SMPS Charger	Transformer Charger
Weight	~2 kg — portable	5–8 kg — heavy
Heat	Runs cool	Gets very hot
Output voltage	Stable, regulated 24V	Fluctuates under load
Overcharge	Auto trickle protection	Manual only
Battery life	Extends plate life	Shortens battery life

— Arender Siali, CECRI-trained electrochemical expert & SAEST life member, Samco Battery Delhi.

Common Questions

Which Indian trucks and buses need a 24V charger?

Most heavy commercial vehicles in India run on 24V — Tata 407, 709, 1109 and Signa; Ashok Leyland DOST, Partner and 1616; Eicher Pro; BharatBenz; JCBL buses; and most tractors from Mahindra, John Deere, Sonalika, New Holland and Swaraj. These vehicles use two 12V batteries in series to produce 24V. This charger is built specifically for those 24V systems.

Can I use a 12V charger for my truck battery?

No — and this is a common, costly mistake. A 12V charger cannot charge a 24V system and can damage both charger and batteries. Always match charger voltage to your vehicle’s system voltage. When in doubt, call us on +91-9953935912 before ordering.

How long to charge a 24V truck battery at 10A?

A fully discharged 150Ah 24V battery bank takes roughly 12–15 hours. At 50% discharge, expect 7–8 hours. The charger auto-switches to safe trickle once full — no manual disconnect needed. The analog meter lets you see when charging is almost done.

Is it safe to leave connected overnight?

Yes. The auto trickle function drops to a safe maintenance current once the battery is full. Safe to leave connected overnight, over a weekend, or during a vehicle shutdown period.

Why is SMPS better than a transformer charger for truck batteries?

Transformer chargers produce fluctuating voltage that stresses battery plates over time. SMPS chargers deliver stable, regulated voltage that is gentler on plates, include automatic overcharge protection, and run far cooler. Truck and tractor batteries typically cost ₹8,000–₹15,000 each — a good charger pays for itself by extending battery life.

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