Energizer MAX C Batteries (2 Pack) Review: Reliable, But Check Freshness
A 4.7/5 average across 523 Best Buy reviews sets a high bar—and the loudest theme is simple: Energizer MAX C Batteries (2 Pack) feel “boring” in the best way. Verdict: reliable everyday C-cells with one notable risk around freshness depending on retailer. Score: 8.6/10
Quick Verdict
Energizer MAX C Batteries (2 Pack): Conditional
The most consistent thread across platforms is dependable, long-lasting power in common devices (flashlights, toys, radios), plus strong brand trust. But digging into the details, at least one buyer complaint flags “old stock” and shortened remaining shelf life—an issue that matters most if you’re buying C batteries for emergency storage.
A Best Buy reviewer, Reddit user johnc said: “energizer never disappoints , good brand last long . the prices however have been going up and up.” Meanwhile, another Best Buy reviewer, Reddit user business said: “don't know where they found these batteries but its old stock… the expiration date is 2 / 28 / 2021… i now have lost 2.5 years of battery usage…”
| What the feedback says | Pros (with sources) | Cons (with sources) |
|---|---|---|
| Longevity in real devices | “last longer than others i’ve tried” (Best Buy) | “old stock… expiration date is 2/28/2021” (Best Buy) |
| Reliability / steady output | “strong , long lasting power… reliable” (Best Buy) | Price creep: “prices… going up and up” (Best Buy) |
| Lower corrosion/leak anxiety | “less likely to corrode” (Best Buy); “leak-resistant design” mentioned by retailers | Not rechargeable: “must be disposed of and replaced” (TheGunZone) |
| Convenience and availability | “always in stock when i need them” (Best Buy) | C-size niche: “limited… devices that require c batteries” (TheGunZone) |
Claims vs Reality
Claim 1: “10-year shelf life” (up to 10 years in storage).
Official listings emphasize long storage life—McGrocer and Summit True Value both describe an “extended shelf life… up to 10 years,” positioning the pack as something you can toss into a drawer or emergency kit and forget. For preparedness-minded buyers, that promise is the whole point of buying alkaline C cells over random off-brand stock.
User feedback complicates the picture—not by disputing the chemistry, but by raising a retail supply-chain reality: you might not always receive fresh inventory. A Best Buy reviewer, Reddit user business said: “it's old stock… the expiration date is 2 / 28 / 2021… i now have lost 2.5 years of battery usage…” While officially framed as long shelf life, this complaint argues the remaining shelf life can be much shorter if the pack has been sitting around for years.
Claim 2: “Long-lasting power.”
Retail descriptions repeatedly promise endurance: McGrocer says “keep your devices running for extended periods,” and Summit True Value pitches “extended energy output.” On the buyer side, many stories line up with that expectation in everyday use. A Best Buy reviewer, Reddit user screen queen said: “i use them for my cat food feeder . i get about 6 - 8 months of use out of them…”
Home Depot reviewers (many labeled as collected “as part of a promotion”) still echo the same practical outcome in toys and flashlights. One Home Depot reviewer noted: “i have been using the energizer max alkaline c batteries , 2 pack for my son’s toy and it has lasted so long that you don’t have to change them often…”
Claim 3: “Leak-resistant / leakage protection.”
Summit True Value explicitly highlights a “leak-resistant design,” and multiple long-form review sites repeat “leakage protection” as a key feature. The clearest user-adjacent anxiety here is device damage—especially for emergency gear and anything stored long-term.
While few short-form retail reviews describe actual leaks (positive or negative), the “less likely to corrode” perception shows up in comparative language. A Best Buy reviewer, Reddit user navigator 63 said: “energizers seem to last longer than duracell and also seem less likely to corrode.” The gap is that most feedback is confidence-based rather than a large sample of documented leak incidents—still meaningful for buyers choosing a “trusted” brand to avoid corrosion surprises.
Cross-Platform Consensus
Universally Praised
“Batteries that behave like batteries” sounds faint praise until you read how often shoppers celebrate the lack of drama. A recurring pattern emerged: people buy Energizer MAX C Batteries (2 Pack) for low-maintenance household devices—and are relieved they don’t have to think about them again for months. For pet owners relying on automatic feeders, that translates into fewer interruptions. A Best Buy reviewer, Reddit user screen queen said: “i use them for my cat food feeder . i get about 6 - 8 months of use out of them…”
Parents show up repeatedly in the Home Depot feedback with the same motivation: avoid constantly unscrewing toys to swap cells. One Home Depot reviewer wrote: “we have young children so we are constantly changing batteries… these seem to last the longest which is a big deal when you have to unscrew all the toys…” That story-driven detail—time and hassle, not just “capacity”—is the real value proposition for family households.
For emergency preparedness users, the win is steady brightness in flashlights when the power goes out. Long-form reviewers narrate flashlight use as a stress test. A reviewer on TheGunZone described using them during an outage: “i also used them in a medium sized flashlight , when the power had gone out . it provided me with a good beam of light…” Similarly, the Gun Values Board write-up focuses on field-style use, claiming the flashlight “maintaining a bright and steady beam” during a “four-hour exercise” in damp, cool conditions.
After those stories, the praise clusters into a few repeatable points:
- Best Buy: “strong , long lasting power… reliable” (angie ang)
- Best Buy: “batteries . they work like they should . no issues with them” (bart)
- Home Depot: “dependable and long-lasting… consistently provide power output throughout their lifespan” (promotional review)
Common Complaints
The biggest frustration isn’t performance in a flashlight—it’s what arrives in the package. Digging deeper into user reports, the sharpest negative is about freshness and remaining shelf life when purchased on sale or clearance. A Best Buy reviewer, Reddit user business said: “it's old stock… the expiration date is 2 / 28 / 2021… sad to see such aged stock still being sold . it now explains why they were on sale.” For buyers stocking an emergency drawer expecting a near-decade runway, this is a direct hit to the product’s practical value—even if the batteries still work today.
Price sensitivity also surfaces as a steady undercurrent. Even satisfied users mention upward cost pressure. A Best Buy reviewer, Reddit user johnc said: “the prices however have been going up and up.” Outdoors-focused reviewers frame this as the trade-off: higher price than generic, but justified by dependability. TheGunZone lists “cost” as a con: “may be slightly more expensive compared to some budget brands.”
Finally, some complaints are about category limitations rather than defects: you only need C batteries when you need them. TheGunZone calls out the “specific use case” problem: “limited to devices that require c batteries.” That matters for shoppers who don’t want extras sitting unused—though others actually like the small 2-pack for that reason.
Key pain points, as stated by users and reviewers:
- Retail freshness risk: “old stock… expiration date…” (Best Buy)
- Pricing drift: “prices… going up and up” (Best Buy)
- Not rechargeable: “not rechargeable” (TheGunZone)
Divisive Features
Pack size is surprisingly polarizing. Some buyers want the 2-pack because C cells aren’t a weekly purchase, and it reduces the chance of unused batteries aging out. Home Depot feedback praises the “2-pack… enough batteries to have on hand, but not so many…” In that framing, the 2-pack is a convenience product.
Others clearly shop larger multi-packs (Best Buy reviews include commentary on 4-packs), and for them, sale pricing and stock turnover becomes decisive. A Best Buy reviewer, Reddit user ms2022 said: “best buy has enough turn over of their supply that these batteries are always fresh…” That stands in tension with the “old stock” complaint from business—suggesting the experience may vary by store, timing, or SKU.
Even “brand trust” is divisive only in intensity: some treat Energizer as default, others treat it as a premium choice. A Best Buy reviewer, Reddit user pierre said: “energizer is one of the best cell around , i will not negociate this brand for joe blow 's,” while another frames it as “a little more pricey” but worth it (angie ang).
Trust & Reliability
Across Best Buy, trust is expressed in plain language: “energizer never disappoints” (johnc), “trusted battery” vibes, and comparative confidence. A Best Buy reviewer, Reddit user greenfeet said: “these are the only batteries i buy… i made the mistake of putting cheap ones… and they started chirping… never again!” While that story references smoke detectors (often AA/9V territory), it reflects a broader mindset: buyers pay to avoid surprise failures in critical devices.
Scam concerns don’t appear as a major theme in the provided Trustpilot-labeled data because it mirrors Best Buy content, but the freshness dispute functions like a “reliability” alarm. One buyer’s perception of being sold aged inventory—“it’s old stock”—is the type of experience that can feel like a trust breach, even if the product itself is fine.
For longer-term durability, the clearest time-based detail comes from real household use: a Best Buy reviewer, Reddit user screen queen reported “6 - 8 months of use” in a cat food feeder. The Gun Values Board narrative also emphasizes “several weeks of intermittent use” across a flashlight, weather radio, and GPS with “no signs of leakage or corrosion,” describing the batteries as holding up in damp and cool conditions.
Alternatives
Only a few competitors are explicitly mentioned in user narratives. The most direct comparison is Duracell. A Best Buy reviewer, Reddit user navigator 63 said: “energizers seem to last longer than duracell and also seem less likely to corrode.” That’s not lab data, but it’s a clear preference statement from a shopper who has used both.
Rechargeable NiMH C batteries show up as a considered alternative in long-form reviews, usually rejected for specific scenarios. The Gun Values Board writer explains they “briefly looked at rechargeable nimh c batteries but decided against them… because i needed reliable single-use performance in environments where recharging wasn’t feasible.” For campers or emergency kits, that context explains why alkalines remain the default choice.
The alternate “Energizer Recharge” line is mentioned in the McGrocer description as the rechargeable option “ideal for high tech devices,” but user feedback provided here focuses on the MAX alkaline C format.
Price & Value
Current pricing varies widely by retailer in the provided data, which shapes the value narrative. McGrocer lists Energizer MAX C Batteries (2 Pack) at “£ 7 . 40,” and Summit True Value lists a 2-pack at “$ 7 . 29.” Best Buy shows “$ 4 . 49” on clearance with a comparable value of “$ 8 . 49,” reinforcing why some buyers chase deals.
Resale/market listings introduce another wrinkle: dated inventory exists in the wild. An eBay listing explicitly advertises “exp date 3/19,” and the larger eBay category page shows many listings with visible expiration dates (e.g., “exp 3/2030,” “exp 12-2032”). That ecosystem supports the Best Buy “old stock” story: batteries can circulate for years, and deal pricing may correlate with shorter remaining shelf life.
Buying tips implied by the community feedback are straightforward:
- If you’re buying for long-term storage (emergency flashlight), prioritize “fresh” stock—mirroring ms2022’s focus on retailer turnover: “always fresh - recently produced.”
- If you’re buying for immediate use (trash cans, toys, feeders), clearance packs can be a strong value as long as they work today.
FAQ
Q: Do these C batteries actually last a long time in real devices?
A: Yes, many buyers say they last longer than alternatives in everyday use. A Best Buy reviewer, Reddit user screen queen said: “i get about 6 - 8 months of use” in a cat food feeder. Home Depot reviewers also repeatedly describe them as “long lasting” in toys and flashlights.
Q: Are they safe for flashlights and emergency kits?
A: Many users buy them for flashlights and outages. A TheGunZone reviewer said: “when the power had gone out… it provided me with a good beam of light.” Retail listings also emphasize “leak-resistant design,” though one Best Buy complaint warns about “old stock” reducing remaining shelf life.
Q: Should I worry about getting old stock?
A: It depends on the retailer and timing. A Best Buy reviewer, Reddit user business said the pack was “old stock” with an “expiration date… 2 / 28 / 2021.” Another Best Buy reviewer, Reddit user ms2022 claimed the opposite: “always fresh - recently produced.” Check the date code/expiration on arrival if storage life matters.
Q: How do they compare to Duracell?
A: One direct shopper comparison favors Energizer. A Best Buy reviewer, Reddit user navigator 63 said: “energizers seem to last longer than duracell and also seem less likely to corrode.” The provided data doesn’t include Duracell-specific reviews for the same devices, so this remains a single-user comparative impression.
Q: Why not buy rechargeable C batteries instead?
A: Some buyers explicitly avoid rechargeables for trips and emergencies. A reviewer on Gun Values Board wrote they “looked at rechargeable nimh c batteries but decided against them… where recharging wasn’t feasible.” If you can recharge reliably at home, the MAX alkaline pitch is convenience and readiness, not reuse.
Final Verdict
Buy Energizer MAX C Batteries (2 Pack) if you’re a parent dealing with battery-hungry toys, a pet owner running feeders for months at a time, or someone who wants dependable C-cells for flashlights and radios. Avoid if you’re building a long-term emergency stash and can’t verify freshness—because one buyer’s “old stock” experience shows how the “10-year” promise can shrink in practice.
Pro tip from the community: a Best Buy reviewer, Reddit user ms2022 said: “best buy has enough turn over of their supply that these batteries are always fresh,” so wherever you buy, prioritize sellers with fast stock turnover and check the date code/expiration when you receive them.





