Ravi, 35, Mumbai, needs reliable charging for his RV batteries during monsoon season.
Renogy's multi-stage charger ensures safe, efficient charging, protecting against overloads, arriving in 14-16 days with all duties paid.
You save 4,160 (12%)
12% off the seller list price
Estimated doorstep delivery by 14 Nov - 16 Nov from USA






High-Efficiency US-Imported Battery Charging
Renogy 40A DC-DC battery charger is a multi-stage, intelligent charger designed for 12V lithium, AGM, and gel batteries. Its compact, wall-mount design ensures easy installation in RVs, boats, and vehicles, with internal layout preventing short circuits. Features include built-in alternator detection, enabling charging only when engine runs, protecting your battery system. The charger supports smart LiFePO4 activation, allowing full control with a simple one-touch operation, optimizing battery performance. Advanced electronic protections guard against overload, short circuit, over-temperature, and over-voltage, ensuring safe operation even in high-heat marine or RV environments. Bluetooth control via Renogy BT-2 Module (sold separately) enables remote monitoring and setting adjustments through the DC Home app or Renogy One Core. This charger is factory-sealed, supports 12V input/output, with dimensions 9.31x6x2.36 inches, weighing 0.8 kg, and includes a battery post connector. It is a reliable, safe, and efficient solution for maintaining vehicle and marine batteries, with a 2-year warranty and 14-day return guarantee. Ships tracked to India, all duties included, arriving in 14-16 days.
Advanced Safety & Protection
Engineered with overload, short circuit, over-temperature, and over-voltage protections, this charger ensures safe operation in high-heat environments. Its intelligent power management prevents damage, extending battery life and maintaining peak performance.
Ideal for RVs, Marine & Vehicles
Supports lithium, AGM, and gel batteries, with multi-stage charging tailored for diverse vehicle setups. Perfect for Indian RV owners, boaters, and travelers seeking reliable, factory-sealed US-imported quality.
Typical situations where Renogy 40A DC-DC Battery Charger 12V Multi-Stage | Lithium/AGM/Gel Safe & Smart (70-120 chars) helps — illustrative scenarios, not customer reviews.
Ravi, 35, Mumbai, needs reliable charging for his RV batteries during monsoon season.
Renogy's multi-stage charger ensures safe, efficient charging, protecting against overloads, arriving in 14-16 days with all duties paid.
Anjali, 42, Chennai, wants to maintain her boat batteries over long trips without overcharging.
Smart LiFePO4 activation and protections keep batteries healthy, with factory-sealed US import arriving in 14-16 days.
| Recomm. Reconnection | Connect to vehicle or marine battery, ensure proper input voltage |
| Reapplication Math | Supports continuous maintenance, 1 unit lasts for years with regular use |
| Shelf Life | Factory-sealed, check manufacturer's date |
| Compatibility | Supports 12V lithium, AGM, gel batteries |
| Cost per use | ₹31,550 per unit |
CrowCrowCrow helps you bring this product to India. Any warranty is offered by Renogyunder its own policy.
| Feature | Renogy 40A DC-DC | Others |
|---|---|---|
| Charging Technology | Multi-stage, intelligent, multi-chemistry support, 94% efficiency | Basic single-stage chargers, lower efficiency, limited battery support |
| Protections | Overload, short circuit, over-temperature, over-voltage protections | Minimal protections, risk of damage in high-heat environments |
| Design & Installation | Wall-mount, internal layout prevents short circuits, factory-sealed | Bulkier, less safe design, no factory sealing |
| Monitoring & Control | Bluetooth remote via Renogy app, 365 days data review | No remote monitoring, limited data tracking |
| Price & Warranty | Premium US-import, 2-year warranty, all duties paid | Lower upfront cost, limited warranty, duties extra |
| SKU | smq7934 |
| GTIN | 0840315221741 |
| Brand | Renogy |
| Model Number | 8ea40ca5-05c2-41d8-a2eb-8de9d88e382a |
| Size | [Upgraded] 40A |
| Color | Grey |
| Input Voltage | 12V DC |
About Renogy
Renogy is a leading US brand known for reliable solar and battery solutions, trusted globally for quality and innovation.
Compliance & Legal
This product complies with safety standards for electronic chargers. No medical or medical-device claims. Supports 12V batteries, with protections against overload, short circuit, over-temperature, and over-voltage. Factory-sealed, arrives in 14-16 days.
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This item:
Renogy 40A DC-DC Battery Charger 12V Multi-Stage | Lithium/AGM/Gel Safe & Smart (70-120 chars)
31,550

This item
Renogy 40A DC-DC Battery Charger 12V Multi-Stage | Lithium/AGM/Gel Safe & Smart (70-120 chars)
31,550
Total price:
47,840
You save 12,120 (20%) Extra3 items selected
3 items
47,840You save 12,120 (20%) Extra
| Attributes | Current ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | |
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 31,550 35,710 | 5,840 7,850 | 10,450 16,400 | 3,340 3,780 | 4,810 5,040 | 22,300 46,900 | 5,220 5,830 |
| Brand Name | Renogy | NOCO | NOCO | NOCO | ExpertPower | STANLEY | NICRON |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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