US
Energizer

Energizer Recharge Universal NiMH Charger

  • AA, AAA, C, D and 9V NiMH sizes
  • 2 or 4 AA, AAA, C or D; 1 or 2 9V at a time
  • 4 AA in 5 hours for a full charge
  • Auto shutoff with delta V cut-off and safety timer
  • Bad and primary battery detection
  • Built-in adapter, detachable cord
  • Limited lifetime warranty

Updated 25 days ago · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A single charger for every common NiMH battery size, from remote batteries to flashlight cells, with overcharge protection. Charging is slow compared with fast chargers, and it handles NiMH only.

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ASIN: B001FWXTK0Category: Battery Chargers

Sizes Available

1 count1 COUNT (Pack of 2)2 count2 count (Pack of 5)

Styles Available

Battery

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Overview

Energizer designed this charger to handle every standard rechargeable size in one unit, from small remote cells to large flashlight batteries. An LED light bar shows charging status, and the circuit cuts power once batteries are full.

One charger for the whole drawer is the reason to own it, replacing separate units for each size. Charge times are long, and it accepts NiMH cells only, so lithium or alkaline batteries stay out.

Who it's for

Families powering remotes, toys, flashlights and game controllers with rechargeables get one charger for all sizes. People wanting a fast overnight turnaround or charging other chemistries should look elsewhere.

Pros and cons

Pros
  • Charges every common NiMH size
  • Auto shutoff prevents overcharge
  • Detects bad and primary batteries
  • Reverse polarity protection
Cons
  • NiMH batteries only
  • Slow full charge time
  • Batteries charge in pairs, not singles

Performance notes

Charge termination uses delta V detection plus a safety timer, so cells stop charging once full instead of heating. Charge time depends on the battery's capacity, which is why full charge times vary. Primary battery detection refuses alkaline cells that should not be charged.

Specifications

BrandEnergizer
Dimensions & fit
Item dimensions2.84 x 5.08 x 11.58 in
Power & efficiency
Battery Charge Time5 hours for 4 AA
Battery Cell TypeNiMH
Power PlugBuilt-in adapter, detachable cord
Compatibility & installation
Compatible DevicesAA, AAA, C, D, 9V rechargeable batteries
Included components
Included ComponentsUniversal charger
Warranty & support
Warranty DescriptionLimited lifetime
Other details
Number Of Ports2 or 4 AA/AAA/C/D, 1 or 2 9V
Special FeaturesLED light bar, auto shutoff, delta V cut-off, safety timer, bad and primary battery detection, reverse polarity protection

Frequently asked questions

How should I store the Energizer universal charger between uses?

Detach the cord; the built-in adapter and detachable cord make it easy to put away when not in use.

Can the Energizer charger recharge alkaline batteries?

No. It is for NiMH rechargeables and includes primary battery detection, which recognizes non rechargeable cells.

Can I charge a single AA battery?

No. It charges 2 or 4 AA, AAA, C or D batteries at a time, or 1 or 2 9V batteries.

Will the Energizer charger overcharge my batteries?

No. It shuts off once batteries are charged and uses a safety timer to prevent overcharge.