1. Applicable models: For Makit BL1850 / BL1830 / BL1835 / LXT400 / 194204-52. Voltage: 18V3. Battery capacity: 3000/4000/5000/6000mAh4. Material: ABS+PC5. Size: 11.7 x 7.5 x 6.7cm6. Weight: about 450gFeatures:1. Use A grade fireproof material, safe and reliable2. Using high rate power core manufacturing, explosion-proof and safe3. Built-in intelligent protection chip, protection board, to prevent overcharge, over temperature, short circuit, etc., 4. use more peace of mind5. Compatible with alternative MT power tool batteries6. Charger / power tool and battery to monitor real-time and exchange data to prevent overload, excessive discharge, too high temperature7. No memory effect, good shock resistance, long standby time, multiple connection terminalsSpecification: Package Weight One Package Weight 0.70kgs / 1.55lb One Package Size 15cm * 10cm * 8cm / 5.91inch * 3.94inch * 3.15inch Qty per Carton 42 Carton Weight 30.00kgs / 66.14lb Carton Size 52cm * 35cm * 28cm / 20.47inch * 13.78inch * 11.02inch Loading Container 20GP: 523 cartons * 42 pcs = 21966 pcs40HQ: 1214 cartons * 42 pcs = 50988 pcs