The GP Batteries ReCyko B631 charger charges rechargeable Ni-MH batteries in AA, AAA, C, D, and 9V sizes. It has 6 slots and 4 charging channels, and is powered by a wall outlet.

For AA batteries, it provides DC 2.8 V and 0.37 A per channel; for AAA, DC 2.8 V and 0.29 A; and for C and D, DC 2.8 V and 0.55 A. For 9V batteries, it provides DC 9.8 V and 40 mA on 1 channel or 20 mA on 2 channels. Charging times are 4–8 hours for AA batteries with a capacity of 1300–2600 mAh, 2.5–4 hours for AAA batteries with a capacity of 650–950 mAh, 6 hours for C batteries with a capacity of 3000 mAh, 12 hours for D batteries with a capacity of 5700 mAh, and 6 or 12 hours for 9V batteries with a capacity of 200 mAh, depending on whether 1 or 2 channels are used.

• Battery type: Ni-MH
• Battery sizes: AA, AAA, C, D, 9V
• Slots: 6
• Charging channels: 4
• Power supply: Wall outlet
• AA charging current: DC 2.8 V, 0.37 A per channel
• AAA charging current: DC 2.8 V, 0.29 A per channel
• C and D charging current: DC 2.8 V, 0.55 A per channel
• 9V charging current: DC 9.8 V, 40 mA on 1 channel or 20 mA on 2 channels
• AA charging time: 4–8 hours for a capacity of 1300–2600 mAh
• AAA charging time: 2.5–4 hours for a capacity of 650–950 mAh
• C charging time: 6 hours for a capacity of 3000 mAh
• D charging time: 12 hours for a capacity of 5700 mAh
• 9V charging time: 6 or 12 hours for a capacity of 200 mAh, using 1 or 2 channels respectively
• Colour: Black
• Package contents: USB charger, Micro-USB charging cable