TowerTop 25A Pro+ Battery Charger, 6V/12V Car Battery Charger Fully Automatic Smart Battery Maintainer with Engine Start, Auto Desulfator, Battery Repair, for All Lead-Acid, AGM and LiFePO4 Batteries
US$233.98
Arrives as soon as ✓ Free shipping — over $200Description
Product Details Item Weight: 4 pounds Compatible Devices: 6V and 12V sealed lead-acid batteries, 12V deep cycle and 12V lithium (LiFeP04) batteries, Wet, MF, EFB batteries, cars, boats, RVs, tru...
Delivery & Returns
Ships to the United States
Free shipping on orders over $200 · $6.90 below that
30-day returns. For change-of-mind returns, return shipping charges may apply depending on the item's packaged size and weight. Returns for damaged, defective, or incorrect items are free.
Free shipping over $200
Orders of $200 or more ship free. No code needed.
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Product Details
- Item Weight: 4 pounds
- Compatible Devices: 6V and 12V sealed lead-acid batteries, 12V deep cycle and 12V lithium (LiFeP04) batteries, Wet, MF, EFB batteries, cars, boats, RVs, trucks, motorcycles, powersports, lawn tractors
- Number of Items: 1
- Unit Count: 1 Count
- Warranty Description: 18 Months
- Output Voltage: 12 volts_of_direct_current
- Input Voltage: 120 volts_of_alternating_current
- Current Rating: 25 A
- Amperage: 25 A
- Connector Type Used on Cable: NEMA 1-15 (Type A) and Battery Clamps
- Number of Ports: 1
- Item Dimensions D x W x H: 6.1"D x 8.46"W x 6.89"H
- Specification Met: ETL
About this item
- Efficient, Energy-Saving, and Fast Charging: The TowerTop trickle charger offers 4 adjustable current settings (2A/15A/25A/AUTO) to meet your diverse needs. The max current is 25 amp, which can fully charge a 100Ah battery in just 3.5 hours. Compared to a 2A car battery charger, charging speed is increased by 1640%. Not only is it energy-saving, but it also saves you a significant amount of waiting time
- Smart Battery Charger & Fully Automatic Charging: Using advanced SMPS tech and a TowerTop Self-developed MCU chip, charging efficiency reaches 85% (industry average is 75%). The auto battery charger supports automatic battery detection, desulfation, and repair. TowerTop automotive battery charger knows your battery better. Compared to traditional transformer+rectifier designs (60% efficiency), it boosts efficiency by 48%, reduces size by 60%, and weight by 70%. Time to replace your bulky, outdated charger!
- Plug-and-Play, Beginner-Friendly: Simply connect the 6v/12 volt battery charger to AC power and your battery. No extra steps needed. The battery chargers will automatically detect the battery status and start charging in 30 seconds. It switches to maintenance mode after full charge, with zero overcharging. You can also set it manually. Built-in protections include reverse polarity, spark-proof, overcharge/discharge, overvoltage, overcurrent, overload, overheating, current backflow, short circuit, and more. ETL certified. Safe to use without any electrical knowledge
- All-in-One Design & 6 Professional Battery Modes: This automotive battery charger supports your 6V and 12V sealed lead-acid batteries, 12V deep cycle and 12V lithium (LiFeP04) batteries needs with 6 Professional charging modes: STD, GEL, AGM, Deep Cycle, Calcium, and LI (LiFePO4). Each mode uses an independent charging curve for better protection. Also compatible with Wet, MF, and EFB batteries. Perfect for cars, boats, RVs, trucks, motorcycles, powersports, and lawn tractors
- HD LCD Screen & Engine Start Aid: Features true 8-stage intelligent charging: Desulfation, Soft Start, Bulk Charge, Absorption, Analyze, Repair, Float, and Pulse Maintenance, which help extend battery life and repair issues. The clear LCD screen displays charging stages and parameters, so you always know the status. The engine start function delivers 100A to help activate your battery and start your car within 100 seconds
- Battery Repair & Winter Mode: Separate Desulfation and Repair buttons allow you to manually restore battery health and extend battery life—great for old or idle batteries. If your battery won't charge, try the Repair mode. (Note: It cannot repair completely dead batteries.) Winter mode adds 0.2V to the standard voltage, improving battery activity and charging performance in cold temperatures
Shipping Policy
Sparkmere ships from the United States.
Most orders leave the warehouse within 1 business day and arrive in 2–7 business days.
- Free shipping on orders of $200 or more, applied automatically
- Otherwise shipping is a flat $6.90
- Your tracking number is emailed as soon as your order ships
- We currently ship to the lower 48 United States
Return policy
30-day returns.
If it's not quite right, you can request a return within 30 days of delivery, and Sparkmere will email you return instructions. Change-of-mind returns must be unused, unassembled, and in their original packaging. There is no restocking fee. Depending on the item's packaged size and weight and how it needs to be collected, a change-of-mind return may have a return shipping or pickup cost. We only deduct the actual cost: we tell you the exact amount and get your OK before arranging a paid return, and if there is no cost, nothing is deducted. Returns for damaged, defective, or incorrect items are free.
How it works
- Email us at support@sparkmere.com with your order number.
- We send your return instructions within 1 business day, along with any return shipping cost so you can decide.
- Your refund goes back to your original payment method within 10 business days of the carrier scan.
Damaged or defective on arrival? Send a photo and Sparkmere replaces or refunds immediately, return shipping on us, and in most cases you won't need to send anything back.