The Grid Reserve | 12V LiFePO4 Battery 100-300Ah for Off-Grid Solar, RV & Marine

节省20%
EastSupplier PlatformSKU:1005011611206998-12V100Ah-Poland

Color: 12V100Ah
价格:
$473.32 $591.65

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股票:
有现货(282 件),可随时发货

描述

Energy is not a utility. It is independence. The Grid Reserve is a 12-volt lithium iron phosphate battery bank engineered for the people who refuse to be tethered to the grid: motorhome owners crossing open highways, off-grid homesteaders drawing light from the sun, and boaters who measure freedom in nautical miles rather than power outlets. Where lead-acid batteries surrender to age and sag, this battery holds its voltage steady, cycle after cycle, for more than 4,500 full charge and discharge cycles.

Under the anodized casing sits a Low-Temperature BMS protection system that guards the cells against the two silent killers of lithium packs: over-discharge and freezing-point charging. When winter arrives and other batteries shut down defensively, the Grid Reserve's management board steps in, monitoring each cell's temperature, current, and voltage balance in real time so your solar array keeps delivering power no matter how deep the mercury falls.

This is not a replacement battery. It is an upgrade of the entire architecture of how you store power. Roughly half the weight of an equivalent lead-acid bank, with no acid to spill, no gas to vent, and no maintenance to schedule, it frees up payload in your vehicle and space in your energy cabinet. Whether you run a 100Ah starter bank, a 200Ah touring system, or a 300Ah full-season rig, The Grid Reserve scales with the life you actually live.


Key Features

  • ✦ LiFePO4 chemistry with 4,500+ cycle life: roughly 10 times the cycle count of standard lead-acid batteries, priced per decade of service rather than per unit.
  • ✦ Built-in Low-Temperature BMS: active cell balancing, over-current, over-voltage, and under-voltage protection, plus cold-weather charging cutoff to protect the cells.
  • ✦ Drop-in 12V architecture: compatible with standard RV, marine, and solar systems, with no rewiring of your existing inverter or charge controller required.
  • ✦ Featherweight lithium build: approximately half the weight of an equivalent AGM or flooded battery, freeing payload for gear, water, and passengers.
  • ✦ Deep-discharge resilience: delivers usable capacity down to a deeper state of discharge than lead-acid without the voltage sag that dims inverters.
  • ✦ Maintenance-free operation: no watering, no terminal corrosion cleaning, no equalization charges, no venting requirements in enclosed compartments.

Technical Specifications

  • Capacity Options: 100Ah / 200Ah / 300Ah (12V)
  • Battery Chemistry: Lithium Iron Phosphate (LiFePO4)
  • Cycle Life: 4,500+ cycles
  • BMS Protection: Low-temperature, over-charge, over-discharge, over-current, cell balancing
  • Terminal Configuration: Positive pole left
  • Best For: Motorhome, caravan, solar off-grid, camping, marine auxiliary power
  • Charger Option: Available with or without dedicated charger (see variants)
  • Battery Terminal Configuration: + Pole left
  • Brand Name: Foursun
  • Start-stop battery: No

Where It Works

The Grid Reserve earns its keep anywhere the grid ends: a campervan fridge running all night on solar top-up, a cabin lighting system that must survive a week of cloud cover, a fishing boat's trolling motor and electronics, or a home emergency backup bank that sips solar charge and returns it on demand. Pair multiple units in parallel for larger banks, or run a single 300Ah unit as a full-season mobile power station.

Frequently Asked Questions

Q: How long will a 12V LiFePO4 battery actually last?

A: Rated for 4,500+ full charge/discharge cycles. For a typical campervan or solar system cycled daily, that translates to 8 to 12 years of service, compared to 2 to 4 years for conventional lead-acid batteries.

Q: Can it be used to replace my existing lead-acid battery?

A: Yes. The Grid Reserve is a drop-in 12V replacement for most RV, marine, and solar setups. Because lithium holds voltage flatter, you may also need to check your charger and inverter settings so they match LiFePO4 charge profiles.

Q: What does the low-temperature BMS do?

A: It protects the cells from charging below freezing, which is the most common cause of premature lithium failure. The management board cuts charging current when cell temperature is too low and resumes automatically once conditions are safe.

Q: Can I connect multiple batteries in parallel for more capacity?

A: Yes, the battery supports parallel connection so you can scale from 100Ah to 200Ah, 300Ah, or larger banks. Connect units of the same voltage and capacity for best balance.

Q: Do I need a special charger for this battery?

A: A LiFePO4-compatible charger is recommended, and variants with a matching charger are available. Most modern solar charge controllers and inverters include selectable LiFePO4 profiles.

Q: Is it safe to install in an enclosed space?

A: Yes. LiFePO4 chemistry is non-venting and does not produce hydrogen gas during normal operation, making it safe for enclosed battery compartments where lead-acid batteries are not recommended.

This is not a battery. It is a promise that the lights stay on when everything else goes dark.

Customer Reviews

Customer Reviews

Based on 3 reviews
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D
Daniel K.
Great battery, plan your charger settings

The battery itself performs exactly as rated and the BMS protection gives peace of mind. One tip: make sure your charge controller has a LiFePO4 profile, because the charge curve differs from lead-acid. Once set up, flawless.

E
Elena R.
Quiet, reliable, and easy to install

Replaced two aging AGM batteries with this single 200Ah pack and the difference is night and day. Voltage stays flat under load, no maintenance, and the terminal layout made wiring simple. Great value for the cycle life.

M
Marcus T.
Solid power bank for our campervan

Installed the 100Ah unit in our campervan before a two-week trip and it ran the fridge, lights, and USB charging the whole time without dropping below 60 percent. The low-temp BMS is a real feature for winter camping. Weighs half of what the old lead-acid battery did.

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