Redodo 12V 100Ah LiFePO4 Review (2026): The Other Budget RV Battery

If you have shopped for a budget 12V lithium battery and landed on the LiTime, you have almost certainly seen its twin sitting right next to it: the Redodo 12V 100Ah. The two trade the top of the budget LiFePO4 charts the way two store brands fight over the same shelf, and on most days the gap comes down to which one is a few dollars cheaper that week. Redodo’s pitch is the same as LiTime’s: real lithium capacity, a competent BMS, and the lowest price per kWh you can get from a name-brand 12V battery. This review is a synthesis of Redodo’s published specs, independent testing, and owner reports. We have not bench-tested this battery ourselves, and we say so plainly. What follows is our read on where it fits and where it does not.

What it is

The Redodo 12V 100Ah is a single deep-cycle lithium iron phosphate (LiFePO4) battery rated at 12.8 volts and 100 amp-hours, which works out to 1,280 watt-hours, or about 1.28 kWh of nominal energy. The standard unit reviewed here is the Group 31 case, the same footprint as a common lead-acid Group 31, so it drops into many existing battery boxes. It weighs roughly 22 pounds, which Redodo lists as about two-thirds lighter than a comparable lead-acid battery, and that weight saving alone is why many RV and marine owners make the switch.

This is a building block, not a system. It has no inverter, no display, and no AC outlets. You wire it to a charge source (solar, alternator, or a shore charger) and to a load or inverter. That simplicity is the point: it is one of the cheapest reliable ways to put real lithium capacity into a 12V setup.

Capacity, BMS, and cycle life

The headline number that matters with LiFePO4 is usable capacity, and this is where the chemistry earns its premium over lead-acid. A lead-acid battery wants to stay above roughly 50% charge to avoid damage, so a “100Ah” lead-acid battery really gives you about 50Ah. LiFePO4 holds its voltage and tolerates deep discharge, so you can use close to the full 1,280 Wh. That means the Redodo delivers roughly double the real-world capacity of a same-rated lead-acid battery, in about a third of the weight. Owner capacity tests generally land at or near the rated figure, with a minority reporting results slightly under 100Ah, which is ordinary variance for cells at this price.

The battery management system (BMS) is the brain that protects the cells. Redodo rates this model with a built-in 100A BMS, meaning 100A of continuous charge and 100A of continuous discharge, with a high peak rating to handle inverter surge (Redodo’s upgraded BMS spec lists a 500A surge for one second). At 12V, 100A continuous is roughly 1,280W. That is enough for a microwave, a 12V fridge, lights, fans, and electronics, but it is the ceiling for a single battery. A high-power inverter that wants 150A or 200A needs two or more batteries in parallel to share the current.

Cycle life is strong on paper. Redodo rates the cells at about 4,000 cycles at 100% depth of discharge, 6,000 at 80%, and up to 15,000 at 60%, which the company frames as a 10-year lifespan for typical use. The warranty is 5 years. Those cycle figures are manufacturer claims rather than independent lab results, but they are in line with quality LiFePO4 and match the numbers LiTime publishes for its equivalent battery.

One real limitation: the standard model has no built-in heating. Its low-temperature protection stops charging at 32 degF (0 degC) to protect the cells, because charging LiFePO4 below freezing damages them, and stops discharging at -4 degF (-20 degC). Redodo does sell a self-heating variant with built-in heating pads, which keeps charging viable in cold climates. If you camp or live somewhere that freezes and need to charge, you want that variant or a heated battery compartment. This is the single most common gotcha in owner reports.

Living with it, and who it is for

For RV and van builds, this is close to a default answer. It fits common battery boxes, the weight saving is dramatic, and a single 1,280 Wh battery covers a weekend of lights, a 12V fridge, water pump, and device charging for most setups. Owners on the DIY Solar Forum and RV sites report years of trouble-free use, and reviewers who have run capacity and load tests consistently report it delivering close to its rating. For marine and trolling-motor use it is equally at home, though note that Bluetooth monitoring lives on Redodo’s separate Group 31 Bluetooth model, not this base unit.

For small off-grid, a cabin or shed, a pair or a small bank of these in parallel is a sensible, cheap entry point. As a 12V building block it stacks the way every budget cell does: parallel for more capacity and current at 12V.

Where it is not the answer is whole-home backup. This is a 12V component, and 12V is the wrong architecture for a house. As we cover in our best LiFePO4 batteries guide, whole-home off-grid wants 48V server-rack batteries, because higher voltage means lower current, thinner wiring, less heat, and clean stacking into the 10 to 30 kWh range a house needs. Use the Redodo for what 12V is good at: mobile and small-scale power. To size a bank to your actual loads, run the numbers in our sizing calculator, and for the full mobile-power picture see our van and RV hub and our best RV battery guide.

Redodo vs LiTime

This is the comparison that matters, because these two are the same shopper’s shortlist. On the spec sheet they are near twins. Both are 1,280 Wh, both carry a 100A continuous BMS, and both rate the same cycle tiers up to 15,000 at 60% depth of discharge with a 5-year warranty. Both come in a Group 31 case that drops into a lead-acid box, both reserve Bluetooth for a pricier variant, and both offer a self-heating model for cold climates. In independent capacity testing the budget 12V cells from this tier, Redodo and LiTime included, typically measure right at or just above their 100Ah rating.

Where they differ is mostly history. LiTime, formerly Ampere Time, has sold under that name longer and carries a larger volume of owner feedback, which is why the DIY Solar Forum often nudges first-time buyers toward it. Redodo’s counter is price: it frequently lands a notch below LiTime on a given week, and some long-time forum members credit it with relatively few reported problems for the money. Neither is a clear winner. If one is meaningfully cheaper the day you buy, take it; if they are level, the slightly deeper track record nudges us toward LiTime, which is why we made it our budget benchmark. The Redodo is the equally valid alternate that keeps LiTime honest on price.

On price per kWh, the Redodo is hard to beat among name brands. At a typical street price of about $230 to $260, against a list near $259 and frequent sale pricing, it lands at roughly $180 to $205 per kWh. That undercuts most branded 12V rivals and sits right at the budget floor we mapped in the batteries guide, near the same ground Redodo’s own 200Ah model holds at roughly $160 per kWh. At the premium end sits Battle Born, our pick for serious RVers in the batteries guide, which costs roughly three to four times as much per kWh but adds a 10-year warranty, US assembly, and a longer proven history. The Redodo is the value answer; Battle Born is the buy-once answer.

Verdict

The Redodo 12V 100Ah earns an 8.4. The synthesis score reflects a battery that nails the fundamentals for its category: it delivers close to its full 1,280 Wh, carries a competent 100A BMS with surge headroom, weighs a fraction of lead-acid, and sells for one of the lowest prices per kWh of any name-brand 12V LiFePO4. Independent testing and the breadth of positive owner feedback back up the spec sheet.

It lands just a hair under our LiTime score for specific reasons. The standard model’s lack of self-heating limits cold-weather charging, the 100A single-battery discharge ceiling means high-power inverters need parallel batteries, Bluetooth is reserved for a pricier variant, and the brand’s track record is a touch shorter than LiTime’s, with a minority of owners reporting capacity slightly under rating. None of that changes the bottom line: for RV, marine, and small off-grid use, the Redodo is one of the two batteries the budget category is built around, and if it is the cheaper of the pair on the day you shop, it is the one we would buy.