CS-KNB331TW : 7.4v 3350mAh rechargeable Li-ION battery, replaces Kenwood radio batteries KNB-33L, KNB-41NC, KNB-54N.  This high-capacity (extra long-life) Li-ION battery requires a smart Li-ION desktop charger for re-charging. It can be slow-charged or fast-charged.

Fit Model compatibility

Kenwood TK-2180, TK-3160, TK-3180, TK-3180, KTK-3185, TK-5210, TK-5310, TK-5310GK, TK-5310K

Specifications:

• Category: Two-Way Radio, Land Mobile Radio
• Capacity: 3350mAh
• Type: Li-ion rechargeable
• Voltage: 7.4V
• Rate: 24.79Wh

• Color: Black
• Dimensions: 118.00 x 57.60 x 22.60mm
• Net Weight: 133.0g / 4.69oz