1. Safe fast charging, stable and not hot, safe to use 2. Over-current/short-circuit/over-temperature/over-voltage/charging multiple protection 3. With LED charging indicator 4. Fireproof material, high compatibility, not easy to heat up 5. Input: AC 100-240V 6. Output: 12-20V 7. Charging current: 400mA 8. Applicable models: for Battery LBXR20, LBXR20OP, LB20, LBX20, LBX4020, LB2X4020, LBXR2020OP, LB2X3020OP, LBXR20BT