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The BtrPower 12V 50Ah LiFePO4 battery delivers high energy density and exceptional safety with its built-in 50A Battery Management System. Designed for demanding off-grid applications like RVs, marine, and solar systems, it offers over 4000 deep charge cycles, scalable configurations up to 200Ah, and reliable multi-protection features, all in a lightweight, compact form factor.












| ASIN | B0F9DYS46T |
| Automotive Fit Type | Vehicle Specific Fit |
| Battery Cell Composition | Lithium Ion |
| Battery Type | Lithium Ion |
| Best Sellers Rank | #215,187 in Health & Household ( See Top 100 in Health & Household ) #739 in 12V Batteries |
| Brand | BtrPower |
| Brand Name | BtrPower |
| Compatible with Vehicle Type | RV |
| Customer Reviews | 4.7 out of 5 stars 17 Reviews |
| Included Components | Battery; M8 Terminal |
| Item Dimensions D x W x H | 5.5"D x 9"W x 8.3"H |
| Item Weight | 10.8 Pounds |
| Manufacturer | BtrPower |
| Manufacturer Part Number | YX-1250LF |
| Manufacturer Warranty Description | ใAfter-sales serviceใ3 Months Free Return or Replacements and 1 Year Warranty,You can reach out to us in time with any issue,Such as Package is damaged due to logistics//Package hasnโt arrived//Battery doesnโt work//Battery size is not appropriate//don't know how to use the battery//Battery is often powered off, etc. Please don't hesitant to tell us,btrpower has a professional after-sales team to โฆ |
| Model Number | YX-1250LF |
| Number Of Cells | 4 |
| Product Dimensions | 5.5"D x 9"W x 8.3"H |
| Terminal | M8 Terminal |
| Vehicle Service Type | RV |
| Voltage | 12.8 Volts |
T**D
Good battery and low price
Excellent battery. Great price. An extremely valuable thing to own. Could even be life saving. Can be recharged with 20 amp charger for lithium ion battery in 2 hours. 3 max or with solar panels. A other way to charge battery is with solar panels, involving purchasing a solar charger and all the connecting hardware. I like that the battery has the handles making for very easy carrying
A**Z
Great battery
Awesome battery, light enough to fit in my kayak and keep my devices powered all day including trolling motor, cameras running constantly, and fish finder.
R**N
Charge
Exactly what I wanted
L**.
Battery only lasted 11 months
I purchased this battery 12.8volt 50ah 11 months ago. And it will not charge. I'm being told it's the BMS board and it's not covered over the warranty. I suggest purchasing the 3 year warranty plan Amazon offers. Not a happy customer...
A**R
Cheap batteries are a gamble.
Since my last review was deleted along with the product page I'll write it a second time. Think twice before buying this battery. Luckily I noticed the battery had leaked and destroyed the bottom of the case before anything bad happened. Bought two 50ah batteries in 2024, they are supposed to last up to ten years and 5000 cycles but one of them has already failed as seen in pic.
Trustpilot
1 day ago
3 weeks ago