The Tenergy NiMH 12V 4200mAh Battery 11600 is a high-capacity, rechargeable power solution designed for devices requiring sustained energy output. Its nickel-metal hydride (NiMH) chemistry offers low self-discharge, eco-friendliness, and resilience to memory effect. With applications in robotics, medical equipment, and RC hobbies, it stands out for its durability, safety, and 1,000+ charge cycles. Ideal for high-drain devices needing reliable 12V power.
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How Does the Tenergy NiMH 12V 4200mAh Battery Compare to Lithium-Ion?
Unlike lithium-ion batteries, the Tenergy NiMH 12V 4200mAh lacks volatile electrolytes, making it safer for high-temperature environments. While lithium-ion offers higher energy density, NiMH provides better cost efficiency, lower environmental impact, and no risk of thermal runaway. It’s preferable for applications prioritizing safety over compact size.
For industrial settings where temperature fluctuations are common, the Tenergy battery’s stable chemistry prevents catastrophic failures. Lithium-ion packs require complex battery management systems (BMS) to monitor voltage imbalances, adding cost and failure points. In contrast, NiMH cells naturally balance during charging, simplifying maintenance. Hobbyists also appreciate the ability to store NiMH batteries at partial charge without capacity degradation – a critical advantage for seasonal equipment like RC boats or winter emergency lights.
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What Are the Key Technical Specifications of This Battery?
The battery delivers 12V nominal voltage, 4200mAh capacity, and 50.4Wh energy. It supports 1C charge/discharge rates, operates between -20°C to 60°C, and uses a standard Tamiya connector. Its NiMH chemistry ensures 80% capacity retention after 500 cycles, with a self-discharge rate of 15% per month—lower than traditional NiCd alternatives.
| Parameter | Specification |
|---|---|
| Energy Density | 100-110 Wh/kg |
| Peak Current | 20A (5C) |
| Terminal Type | Tamiya (standard) |
| Cycle Life | 1,000+ (to 70% capacity) |
What Safety Features Protect Against Overheating or Leaks?
Built-in thermal fuses disconnect at 85°C. The ceramic separator prevents internal short circuits, while vented cell design releases pressure during overcharge. Electrolyte additives minimize gas formation, and the ABS+PC casing resists impact and chemical corrosion.
The battery’s multi-layered protection includes polarity reversal safeguards that trigger a resettable fuse if incorrect connections are made. Unlike lithium batteries, NiMH doesn’t require pressure relief vents for normal operation, reducing points of failure. Laboratory tests show the casing withstands 500kg crush forces without rupture – critical for automotive applications. An integrated thermal ribbon monitors pack temperature, communicating with smart chargers to adjust rates dynamically.
“The Tenergy 11600 fills a niche in mid-power applications where lithium’s risks outweigh benefits. Its 4200mAh capacity at 12V is rare in NiMH—most competitors max out at 3000mAh. For industrial users, the ability to daisy-chain packs without BMS complexity is a game-changer.”
— Power Systems Engineer, Industrial Energy Solutions Inc.
FAQ
- Can I Use This Battery in a Solar Power System?
- Yes, but pair with a charge controller to prevent overvoltage. NiMH handles partial states of charge better than lead-acid, making it suitable for small off-grid setups.
- Does It Work With Standard RC Chargers?
- Compatible with any NiMH-mode charger supporting 12V packs. Avoid “LiPo Mode.” Recommended: Tenergy TN480 or equivalent with balance leads.
- How to Recycle This Battery?
- Return via Tenergy’s take-back program or drop at EPA-certified facilities. NiMH recycling recovers nickel (90% efficiency) and steel. Never dispose in household trash.