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Eight-bay 9 V smart charger with eight 300 mAh NiMH batteries

Accupower

Accupower 8-Bay 9V Smart Charger + 8× 300 mAh NiMH Batteries

SKU CH-33Z1-EWWA3

Charges eight 9 V NiMH or NiCd cells simultaneously with individual LED status, includes eight 300 mAh AccuPower batteries and a car adapter

  • Battery typeBatteries & Chargers
  • Charges eight 9 V cells simultaneously
  • 100 mA charge current reaches 300 mAh in 3 to 3.5 hours
  • Microprocessor control with negative delta-V detection prevents overcharge
  • Eight independent LED indicators show each channel status
  • 100-240 V AC plus 12 V car adapter for worldwide use

Eight-bay smart charger kit

This kit combines an eight-bay 9 V smart charger with eight AccuPower NiMH batteries rated at 300 mAh. The charger accepts 100-240 V AC at 50 or 60 Hz and also operates from a 12 V input for mobile use. Each of the eight channels is monitored independently by a microprocessor. The bundle suits users who need multiple rechargeable 9 V cells ready at once.

Thermals and power draw

The charger delivers a fixed 100 mA charge current per bay. Protected circuits guard against short circuits and overcharge while a fail-safe timer provides backup shut-off. Negative Delta V detection terminates each charge cycle automatically. No active cooling is mentioned so the unit relies on passive dissipation during normal operation.

300 mAh capacity per cell

Each included NiMH cell stores 300 mAh at 8.4 V and is rated for up to 1000 recharge cycles with no memory effect. Charge times range from 1 to 3.5 hours depending on the cell capacity inserted. Buyers needing higher-capacity 9 V cells or faster charge rates should look elsewhere.

How it compares

Measured against everything we stock in Household Batteries & Chargers, at today’s prices. Recalculated every night.

Price $93.99
Pricier than about 91% of the 10,440 comparable items (median $10.99).

Specifications

Power
Battery typeBatteries & Chargers

Questions about this item

How do I install the 8 AccuPower 9V NiMH batteries into the 8-bay smart charger and what step is often missed?

Insert each 300 mAh 8.4 V cell into its own bay; the charger has eight individually monitored channels with separate LED indicators, so every battery must be seated in its own slot for the microprocessor to detect negative delta V and start the 100 mA charge current correctly.

What maintenance or replacement will the included 300 mAh 9V NiMH batteries need over time?

The cells are rated for up to 1000 recharge cycles with no memory effect; after that capacity will drop below usable levels and the batteries should be replaced.

What is the first limit reached when charging eight 300 mAh 9V batteries continuously in the smart charger?

Each bay delivers 100 mA, so the 300 mAh cells take 3 to 3.5 hours to reach full charge; the fail-safe backup timer then shuts off that channel to prevent overcharge.

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