Chromebook Charger Compatible with Acer C720/C740/CB5-571/C910; CB3-431 & CB3-532; Spin 3/5; Switch Alpha 12; Aspire R13/R15 65W/45W Replacement

65W power, 45W backward-compatible One adapter for everyday work, school, and travel; 45W devices draw only what they need.
Correct connector (Acer small tip) 3.0×1.1 mm thin barrel, not USB-C and not 5.5×1.7 mm.
Popular models (beyond the title) Chromebook: C720/C720P/C740/C810 (CB5-311), C910, CB5-571, CB3-532, CB3-431*; Spin: SP513-51/-52N/-53N, SP314-51/-52; Spin 1: SP111-31/-31N/-32N/-33, SP113-31; Switch: Alpha 12 SA5-271/-271P, SW312-31/-31P, SW5-111/-171/-173/-271/-272; Aspire: R5-471T/-571T/-571TG, R7-371T/-372T, P3-131/-171; TravelMate: B118-R/-RN/-G2-R/-G2-RN, TMB118-RN, P214-51.
Safe & efficient Multi-protection (OVP/OCP/OTP/SCP), compact design, 100240 V worldwide input.
Part-number friendly Replaces PA-1650-80/-80AW, ADP-65KB, A11-065N1A, A13-045N2A, NP.ADT11.00F/008, KP.06503.005/007, AK.065AP.034, AK.045AP.060. Fit check: label should read 19 V and 3.0×1.1 mm DC jack.
CB3-431 is commonly 45W (19 V 2.37 A) this 65W version is downward-compatible.

Chromebook (3.0×1.1 mm, 19 V)	13: C810, CB5-311 / CB5-311P (e.g., C810-T7ZT/T9CA; CB5-311-T1UU/T677/T7NN/T9B0/T9Y2; CB5-311P-T9AB)
	14: CB3-431 (N15P6; variants C0AK/C5EX/C5FM/C5XK/C7M1/C3WS/C7EX)
	15: C910, CB3-531/-532, CB5-571 (N15Q10/Q9/Q8/N16P1/P2; e.g., C09S/C1DZ/C4G4/C4T3/C5XU/C6DL/C9DH/362Q/58HF/C7QN)
	11 N7: C731/C731T/C731-C8VE, CB311-7H/-7HT (N16Q13/N15Q1)
	R 11/13/14/15: C720/C720P/C730E/C735/C738T/C740; CB3-131/-111/-132; CB5-132T (see sub-SKUs listed in your notes)
Compatible with Acer	Spin — SP513-51/-52N/-53N; SP314-51/-52; Spin 1 SP111-31/-31N/-32N/-33; SP113-31
Compatible with Acer	Switch / 2-in-1 — Alpha 12 SA5-271 / SA5-271P; SW312-31/-31P; SW5-111/-111P; SW5-171/-171P; SW5-173/-173P; SW5-271/-271P; SW7-272/-272P
Compatible with Acer	Aspire R / convertible — R5-471T/-571T/-571TG; R7-371T/-372T; P3-131 / P3-171
Compatible with Acer	TravelMate / education — B118-R/-RN/-G2-R/-G2-RN; TMB118-RN; P214-51
Not compatible / excluded	— USB-C (Power Delivery) models; 5.5×1.7 mm barrel; non-19 V systems; devices =90W that require a different spec.

Will this 65W charger work with my 45W Chromebook?
Yes. Same voltage/connector ? downward-compatible. Your device only draws what it needs.
How do I confirm the connector?
Your DC jack should match the 3.0×1.1 mm thin barrel (small tip). If your laptop uses USB-C or 5.5×1.7 mm, choose the corresponding version.
Does it support worldwide voltage?
Yes. 100–240 V input works globally (use the correct AC cord/plug).

Chromebook (3.0×1.1 mm 19 V)	13: C810, CB5-311 / CB5-311P (e.g., C810-T7ZT/T9CA; CB5-311-T1UU/T677/T7NN/T9B0/T9Y2; CB5-311P-T9AB)
	14: CB3-431 (N15P6; variants C0AK/C5EX/C5FM/C5XK/C7M1/C3WS/C7EX)
	15: C910, CB3-531/-532, CB5-571 (N15Q10/Q9/Q8/N16P1/P2; e.g., C09S/C1DZ/C4G4/C4T3/C5XU/C6DL/C9DH/362Q/58HF/C7QN)
	11 N7: C731/C731T/C731-C8VE, CB311-7H/-7HT (N16Q13/N15Q1)
	R 11/13/14/15: C720/C720P/C730E/C735/C738T/C740; CB3-131/-111/-132; CB5-132T (see sub-SKUs listed in your notes)
Compatible with Acer	Spin — SP513-51/-52N/-53N; SP314-51/-52; Spin 1 SP111-31/-31N/-32N/-33; SP113-31
Compatible with Acer	Switch / 2-in-1 — Alpha 12 SA5-271 / SA5-271P; SW312-31/-31P; SW5-111/-111P; SW5-171/-171P; SW5-173/-173P; SW5-271/-271P; SW7-272/-272P
Compatible with Acer	Aspire R / convertible — R5-471T/-571T/-571TG; R7-371T/-372T; P3-131 / P3-171
Compatible with Acer	TravelMate / education — B118-R/-RN/-G2-R/-G2-RN; TMB118-RN; P214-51
Not compatible / excluded	— USB-C (Power Delivery) models; 5.5×1.7 mm barrel; non-19 V systems; devices =90W that require a different spec.

Will this 65W charger work with my 45W Chromebook?
Yes. Same voltage/connector ? downward-compatible. Your device only draws what it needs.
How do I confirm the connector?
Your DC jack should match the 3.0×1.1 mm thin barrel (small tip). If your laptop uses USB-C or 5.5×1.7 mm, choose the corresponding version.
Does it support worldwide voltage?
Yes. 100–240 V input works globally (use the correct AC cord/plug).

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