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Tenergy Corporation
Tenergy Corporation T9688 LCD charger + 32-cell 1.2V NiMH battery set
Charges AA, AAA, C, D and 9V NiMH or NiCd cells and includes 32 batteries totalling 12 AA, 12 AAA, 4 C and 4 D sizes
- Charges AA, AAA, C, D and 9V NiMH/NiCd batteries
- LCD shows capacity, charging, discharge, full or bad status per cell
- Automatic current selection for each size with charge and discharge cycles
- Safety includes shut-off timer, short-circuit protection and bad-cell detection
- 32-cell pack: 12 AA 2500mAh, 12 AAA 1000mAh, 4 C 5000mAh, 4 D 10000mAh
Universal NiMH/NiCd charger kit
The Tenergy T9688 LCD charger ships with 32 premium 1.2V NiMH cells: 12 AA at 2500mAh, 12 AAA at 1000mAh, 4 C at 5000mAh and 4 D at 10000mAh. It accepts AA, AAA, C, D and 9V button-top batteries and includes a 100-240V AC adaptor. The charger is not compatible with flat-top cells.
Smart charging with LCD status
Individual icons on the backlit LCD show capacity level, charging, discharge, full or bad-cell detection for each slot. Automatic current selection delivers 500mA for AAA and 1300mA for AA, C and D cells, while 9V cells charge at 30mA. A USB port supplies 5V at 500mA once charging finishes or the bay is empty. Safety features include short-circuit protection, negative delta-V cut-off (except 9V), a shut-off timer and mechanical protection.
Sustained cycling and discharge
The unit can cycle cells using automatic charge and discharge functions at 400mA for AA, AAA, C and D sizes. This allows capacity refresh over repeated deep cycles rather than a single quick top-up. The USB output remains disabled during active charging, becoming available only after the cycle completes or when no battery is present.
Not for users needing flat-top cell support
Buyers whose devices require flat-top NiMH cells cannot use this charger. The kit also does not support Li-ion, LiFePO4 or other chemistries, so owners of those battery types need a separate solution.
Highlights
- Charges AA, AAA, C, D and 9V NiMH/NiCd batteries
- LCD shows capacity, charging, discharge, full or bad status per cell
- Automatic current selection for each size with charge and discharge cycles
- Safety includes shut-off timer, short-circuit protection and bad-cell detection
- 32-cell pack: 12 AA 2500mAh, 12 AAA 1000mAh, 4 C 5000mAh, 4 D 10000mAh
Specifications
No published specifications for this item yet.
Questions about this item
How do I install the batteries in the T9688 charger without triggering the bad-cell alert?
Insert each button-top NiMH or NiCd cell into its matching AA, AAA, C, D or 9V slot with correct polarity; the LCD shows a bad-battery icon if a flat-top cell or reversed polarity is detected, so verify the positive tip contacts the charger terminal before closing the cover.
What maintenance will the included 2500 mAh AA, 1000 mAh AAA, 5000 mAh C and 10000 mAh D cells need over time?
Run the charger’s discharge function at 400 mA every few months to reduce memory effect, store cells at about 40 % charge in a cool place, and replace any cell that the LCD flags as bad or that no longer holds its rated capacity.
What limit appears first when I keep all twelve AA cells charging at 1300 mA continuously?
The charger’s shut-off timer and negative delta-V cut-off stop each AA channel independently once the cell reaches full voltage, so the first limit you hit is the per-cell termination rather than a thermal or aggregate-current restriction.
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