best-deals.proSearch
E-FAST TK-2500 12V 20A LiFePO4 Battery Charger1 / 7
Product guide

E-FAST TK-2500 12V 20A LiFePO4 Battery Charger

The E-FAST TK-2500 is a 12V LiFePO4 battery charger rated for up to 20A, with 14.6V charging voltage and claimed 0V activation. Its M8 and Anderson cable connections, LED status indicator, and fan-assisted aluminum housing suit buyers charging compatible lithium batteries for RV, marine, golf cart, or off-grid use.

At a glance

  • The listing describes charging for 12V LiFePO4 batteries at 14.6V and up to 20A.
  • Two cable connection types are listed: Anderson and M8.
  • A two-color LED indicates charging or a full-charge state, according to the listing.
  • The feature description claims CC/CV/float-cutoff transitions, protective functions, and a cooling fan.
Price
$54.59Save 10%

Reference price: $60.99

Price checked: Nov 13, 2026

View offer

Often bought together

Pros and cons

Pros

  • Up to 20A charging and 14.6V output are specified for 12V LiFePO4 batteries.
  • Anderson and M8 connections provide two listed ways to connect the charger cable.
  • The listing describes a red/green charging indicator and a cooling fan.

Technical specifications

18 specifications
Identity
BrandE-FAST
ModelTK-2500
Charging and compatibility
Charging voltage14.6V
Maximum current20A
Input voltage110 volts
Input range claimed in featuresuniversal 100–240V AC input (50Hz/60Hz)
Compatible devicesGolf Cart, RV, Marine, Boat, Trolling Motor
Claimed battery capacity range40Ah–300Ah
Cable connector typesAnderson, M8
Charging time claim5 hours
Features and controls
Charging and cutoff modesCC/CV/Float-cut off mode transitions
Status indicatorred during charging and green when fully charged
Claimed protectionsover-voltage, short-circuit, over-temperature
Claimed 0V activation0V charging to reactivate depleted batteries
Coolingbuilt-in cooling fan
Housing materialaluminum alloy
Dimensions and installation
Dimensions listed2.6"D x 8.3"W x 3.5"H
Weight listed2 pounds

What to know before buying

Listing details to confirm

The listing is inconsistent about AC input: product details state 110 volts, while a feature states 100–240V AC at 50Hz/60Hz. It also describes a 100Ah charge in 5 hours as theoretical, so treat that timing as an estimate rather than a guaranteed result. Confirm the input range and connection fit for your battery before purchase.

Who is it for?

A good fit for

  • Owners of compatible 12V LiFePO4 batteries who want a charger rated up to 20A.
  • RV, marine, boat, golf cart, or trolling-motor battery owners whose battery connections match the listed Anderson or M8 options.
  • Buyers who value a visible charging-status indicator and fan-assisted cooling.

Less suited to

  • Owners of lead-acid batteries or batteries outside the stated 12V LiFePO4 compatibility.
  • Buyers who require confirmed universal-voltage input without first resolving the listing's input-voltage discrepancy.
E-FAST TK-2500 12V 20A LiFePO4 Battery Charger · photo 2
Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 202 ratings
  • 5 stars77%77%
  • 4 stars14%14%
  • 3 stars4%4%
  • 2 stars2%2%
  • 1 star3%3%

Customer feedback reports that the charger works well and charges 100Ah batteries quickly, with positive comments about charging speed and value. Noise and temperature impressions are mixed, including reports that the fan can be noisy and an appreciation of its cooling role. This matters if the charger will run nearby for extended periods. Those reported experiences align with the listing's 20A rating and built-in fan, but do not independently confirm its performance or noise level.

Positive themes

  • Customer feedback describes the charger as working well, charging 100Ah batteries quickly, and being budget-friendly.

Mixed feedback

  • Customer feedback is mixed on fan noise, with reports ranging from not loud to noisy.
  • Temperature-related feedback is mixed, including appreciation for the internal cooling fan.

Frequently asked questions

What batteries is the E-FAST TK-2500 listed for?

The listing identifies 12V lithium iron phosphate batteries and states a battery capacity range of 40Ah–300Ah. It does not establish compatibility with other battery chemistries.

What charging output does it claim?

The listing specifies 14.6V charging voltage and up to 20A current. It describes a 100Ah LiFePO4 charge in 5 hours as theoretical, not a guaranteed charge time.

Which battery connections are listed?

The cable connector types are listed as Anderson and M8. Check that one matches your battery setup.

Does it support 0V activation?

The product title and feature description claim 0V charging to reactivate depleted batteries. Confirm that this function is appropriate for your battery before relying on it.

E-FAST TK-2500 12V 20A LiFePO4 Battery Charger · photo 3
Additional product photo 3

Alternative options

Product details in Markdown