12.8V 300Ah Lithium LiFePO4 Battery With Bluetooth, Smart 200A BMS, 3840W Rechargeable Lithium Iron Phosphate Battery.Max Load 2560Wh .for Solar Energy Storage,Backup Power,RV,Camping

Installed this battery in my camper toward the end of last summer, and it's been a game-changer for off-grid camping. Previously, I relied on an EcoFlow Delta Pro—which is awesome quality-wise, but at around 100 pounds and not fitting nicely in the pass-through storage, hauling it in and out every trip got old fast. I switched to this battery, paired it with a 4000W pure sine wave inverter (and the right heavy-gauge cables), plus solar panels and a charge controller for recharging. So far, it's performed way better than I hoped. I haven't done multi-week boondocking yet, but for 3–5 day stretches without hookups, it handles real loads effortlessly: running the air conditioner, microwave, Nespresso machine (should I say "Glamping"??), and other appliances simultaneously with no overloads or shutdowns. The capacity gives plenty of headroom, and the low-temp protection is reassuring for cooler Montana nights. Bluetooth app connection was a breeze—pairing took seconds, and as a tech guy, I love monitoring voltage, current, SOC, and discharge stats in real time during trips. It's satisfying to watch the numbers and know exactly how much juice is left. No more lugging the heavy EcoFlow around; this compact setup stays put in the camper, charges via solar, and powers everything I need reliably. Build feels solid, and the BMS seems to keep things balanced and protected. If you're upgrading an RV/camper to lithium for lighter weight, better integration, and solid performance without the premium portable station price, this battery is a winner. Highly impressed—would buy again. 5 stars!

I bought this battery to replace the 2 deep cycle 6V lead acid batteries we had in our RV, (which were actually more expensive than this and only lasted 4 years). I also installed a Victron inverter, and I couldn’t be happier! No more need for a generator! Our first camping trip was for 4 days, and we never had to charge the battery. That’s making Coffee, watching TV, running the lights, microwave… At the end of the trip, we still had 30% left in the battery. The build quality is great, and I love being able to monitor the battery in real time on my phone. I can turn things on and off and see how much power they use. The next purchase will be a couple of solar panels and an MPPT charger for complete off grid camping. If you’re on the fence, pull the trigger! This is a great battery and very good value!

This appears to be a great lithium battery. I bought the 300 AH mini for a solar inverter project. I really like the size and weight of the mini and it seems to perform just as well as the full size. It all had to fit in a compact box shown in the pictures below. The blue tooth connectivity works great and allows you to see full status of the battery including individual cell voltages, load/charge currents, and BMS Mosfet temperatures. It even gives the estimated time left on the battery based on load and the estimated time to charge. I like that it has a 200 amp BMS as some large batteries only have a 100 Amp. I only have a 1500 watt inverter but I plugged in a hair dryer and the battery performed flawlessly delivering over a 100 amps of power. Bottom line, I just bought to two more for another project.

So far I am very pleased with this 300AH battery. The quality appears top notch. The post bolts seem excellent. The values/rates i’m seeing for charge and discharge seem perfect. No issues with the safety features, but glad it has them and I am really enjoying the mobile app support. I hv a 200 W solar setup with 300 ah battery and 2k pure sine inverter. Based on my region and access to sunlight, I’d like to purchase another 200 W panels (400 w total). Currently I only get about 8-9 amps max for 2 hours, so my charge rate for this giant is roughly 10-15% a day. I’ve set this up in my shed and tested running the shop vac and saw for an hour. Everything is working well together!

Very good value for money. The BMS works well, I inadvertently tested the short circuit protection. The battery went into self protect mode, then reset itself after 10 minutes - nice. The Bluetooth app is not available through Google play, which meant I had to bypass some security settings and also deal with some Chinese tick boxes.

These batteries are awesome!! Very happy with my purchase!! I wish i could afford to buy two more! Hoping they go on sale at some point so i can get them sooner.

I'm very impressed so far. The capacity (according to their own app) is dead on, cells are staying balanced. Size was accurate. I've only been using for a few weeks so I can't comment on life but seems to be holding up very well. I'm most impressed with the app. It not only shows voltage and soc but also gives a live throughput which is great for knowing what you use and create with solar. Also creates a histogram if you leave the app running. I wish I could turn the Bluetooth off. I wish the app was a little prettier and user friendly. I turned off balancing in the app and can't get it back on (don't do that!) However, at this price so far this seems like an amazing deal!

Endlich kann ich die Solaranlage auf meinem Wohnwagen vollgestopft nutzen. Super Kapazität bei "leichtem" Gewicht. Endlich autark...

170 Ah für den Preis echt ok

Review of the 12V 330Ah PUPVWHMB LiFePO4 Battery An In-Depth Assessment for UK and Irish Users Let’s get the dry blurb out of the way. Overview The 12V 330Ah PUPVWHMB LiFePO4 battery is a high-capacity lithium iron phosphate solution aimed at users seeking reliable, long-lasting energy storage. It is well-suited for a range of applications, including off-grid solar systems, motorhomes, marine setups, and backup power systems. This review covers the battery’s main features, performance, advantages, and potential drawbacks, with a focus on its suitability for British and Irish consumers. Main Features • Capacity: 330Ah at 12V with a 200Ah JBD BMS delivers a substantial 4,224Wh of energy, sufficient for long-term and high-demand use. • Chemistry: Utilises LiFePO4 (Lithium Iron Phosphate), renowned for safety, stability, and long lifespan. • Cycle Life: Typically rated for 3,000–5,000 cycles at 80% depth of discharge, meaning years of regular use with minimal degradation. • BMS (Battery Management System): Integrated BMS protects against overcharging, deep discharge, overheating, and short circuits. • Weight & Size: Considerably lighter than comparable lead-acid batteries—this makes it easier to transport and install. • Maintenance: Virtually maintenance-free compared to traditional lead-acid batteries. Performance Users report consistently stable voltage output, even under heavy loads. The battery’s ability to deliver its rated capacity is backed by its advanced BMS, which actively monitors cell health and balances charging. In practical terms, this means fewer worries about sudden power drops or system shutdowns. Charging times are also notably faster than with lead-acid alternatives, particularly when using an appropriate lithium battery charger. The LiFePO4 chemistry also performs well in colder climates, which is a significant advantage for users in the British Isles, although extremely low temperatures can still impact overall performance. Advantages • Longevity: With a lifespan of several thousand cycles, the PUPVWHMB battery offers excellent value over time. • Safety: LiFePO4 is inherently safer than other lithium chemistries, with a lower risk of thermal runaway or fire. • Lightweight: Easier to handle and install than lead-based counterparts. • Consistent Performance: Reliable power output, even under sustained loads. • Low Self-Discharge: Can hold a charge for months with minimal loss, ideal for backup or seasonal usage. Potential Drawbacks • Initial Cost: The upfront investment is higher than lead-acid batteries, though this is offset by longer service life and lower maintenance. • Charger Compatibility: Requires a compatible lithium charger for optimal performance and longevity. • Temperature Sensitivity: Although better than many lithium types, charging below 0°C is not recommended, and extreme cold may reduce capacity. Applications • Off-grid solar and wind energy storage • Motorhomes, campervans, and caravans • Marine and boating applications • Uninterruptible power supplies (UPS) and home backup systems • Golf carts and other electric vehicles My Takeaway as an Everyday Bloke The 12V 330Ah PUPVWHMB LiFePO4 battery offers a compelling package with outstanding capacity, safety, and long service life. While the higher initial outlay may give some pause, the reduced running costs and hassle-free ownership make it a sound investment for those needing dependable power storage in the UK or Ireland. Its robust features and reliable performance make it suitable for a wide range of demanding applications, and it stands out as a modern alternative to traditional lead-acid batteries. I'm very satisfied with this battery. I’m going to have four of these in series for nearly 17KWh of battery storage, with a nice hybrid inverter, 17KWh of power for £1200? That’s a bargain all day long. I never overload my batteries, and I’m not going to for the sake of a review, I need my gear to last it’s proper lifetime. But I will say that this battery wil pull it’s rated 2.5KW all day long, but I won’t ever need to pull more than perhaps 1.5KW of power per battery with four in series. Build quality is the same as other plastic boxes, fit and finish is good, and now I have found what I think personally is a great battery, I don’t need to look elsewhere. The Bluetooth works well and has been reliable with no issues. I use the advanced JBD app on my phone. The app that is tailored to these batteries doesn’t allow for the granularity I need going forwards. Even though I live and was born in the UK, I lived for many years in the United States, which is where I went to school for solar. I have been waiting since the 6V golf cart Trojan lead acid battery days for affordable power storage. What more could a person want. Now I’m back home in the UK, roll on the sunny week of summer, 😂

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Working as expected, great value for the price!